Shared Flashcard Set

Details

4NO Volume 4
Infection Control and Health Assessment
209
Medical
Not Applicable
01/29/2008

Additional Medical Flashcards

 


 

Cards

Term

What are two ways that a causative agent may cause disease?

Definition

1. By producing toxic substances

2. By destroying parts of the cells that they've invaded.

Term
Where do normal flora originate?
Definition
In a specific body area; referred to as "normal" flora for that area
Term
What type of relationship develops when a host is exposed repeatedly to a pathogen, but is never successful in eliminating it?
Definition
Commensalim
Term
How do carriers differ from individuals who actually develop an infectious disease?
Definition
Carriers are asymptomatic
Term
What type of pathogen uses parts of the host's tissues as nutrients?
Definition
Parasitic
Term
What is the average rate of reproduction for bacterial cells?
Definition
They divide every 30 to 120 minutes
Term
What physical characteristics of bacteria are used to determine their classifications?
Definition
Size, shape, and attachements.
Term
What are the three basic bacterial shapes?
Definition

1.Spherical

2. rod-shaped

3.spiral-shaped

Term
What type of organism causes Rocky Mountain spotted fever?
Definition
Rickettsiae
Term
List three useful functions of fungi.
Definition

1.Some are edible(mushrooms)

2.some are involved in the fermentation of breads and alcoholic beverages

3.Some produce antibiotics, such as penicillin

 

 

Term
List the components of the chain of infection.
Definition

-Causative agent

-reservoir

-portal of exit

-mode of transmission

-portal of entry

-susceptible host

Term
What are the normal exit portals for infectious agents?
Definition

-The respiratory tract

-the gastrointestinal tract

-skin and mucous membranes

Term
Describe indirect contact.
Definition
When you touch objects such as forks, spoons, coffee cups, and medical equipment that are contaminated with an infectious agent.
Term
Describe droplet transmission.
Definition
Transmitted through the air by a person coughing, sneezing, or talking.
Term
What are the stages of an infectious disease?
Definition

-Incubation

-Prodromal

-Illness

-Convalescence

Term
How much can the prodromal period vary for different diseases?
Definition
few hours to a few days.
Term
Describe hepatitis.
Definition
An inflammation of the liver that is caused by bacteria, viruses, protozoa, helminths, chemicals, or drugs.
Term
What is meningitis, and what is the most serious type?
Definition

Inflammation of the meninges, covering of the brain and/or spinal cord.

-Bacterial meningitis is the most serious.

Term
What is the most common type of Meningitis?
Definition
Viral Meningitis
Term
Briefly describe the AIDS disease and the virus known to cause it.
Definition

Used to describe a group of symptoms that usually result from an infection with a virus.

The cause is a retrovirus known as HIV.

Term
What is the most common/serious complication of gonorrheal infections in women?
Definition
Gonorrheal pelvic inflammatory disease (PID)
Term
List the 5 stages of syphilis.
Definition

1.primary

2.secondary

3.latent

4.late

5.congenital

Term
What directive discusses how reportable disease lists must be updated?
Definition
AFI 48-105
Term
How does a physician notify Public Health of a reportable disease?
Definition
By using the AF Form 570
Term
Who ensures civilian agencies are notified of reportable diseases?
Definition
Public Health
Term
What does the term "asepsis" mean?
Definition
The state of being free of pathogenic microorganisms
Term
What is another term use for medical asepsis?
Definition
Clean technique
Term
What is another term use for surgical asepsis?
Definition
The sterile technique
Term
What procedure is designed to destroy pathogens, but usually does not affect spores?
Definition
Disinfecting
Term
What is the difference between disinfectants and antiseptics?
Definition
Disinfectants are substances used to destroy pathogenic organisms on inanimate objects. Antiseptics are substances that inhibit the growth and development of microorganisms.
Term
What are the two recommended tiers of isolation precautions developed by the Centers for Disease Control?
Definition

-Standard precautions

-Transmission-based precautions

Term
Why were standard precautions developed?
Definition
To aid in breaking the infection chain
Term
When is it important to use masks, goggles, or face shields?
Definition
When splattering or splashing of blood or body fluids is possible
Term
What are the 3 types of transmission-based precautions?
Definition

1. Airborne

2. Droplet

3. Contact

Term
Describe how to reduce the risk of spreading infectious agents by the "airborne" route.
Definition

-Place pt in a private room, which has monitored, negative air pressure

-Keep door closed

-Wear protective respiratory equipment (mask)

Term
If droplet precautions are in effect, when should you wear a mask?
Definition
When you're within 3 feet of the pt
Term
What is the purpose of isolation precautions?
Definition

To prevent the spread of microorganisms among patients, personnel, and visitors.

Term
What are 3 reasons nonmedical individuals contaminate themselves when attempting to deal with isolation?
Definition

-Some refuse to believe they can be contaminated, so they ignore the precautions

-Some don't understand what they are supposed to do and become contaminated not knowing it

-Some are illiterate so they don't understand the precautions

Term
Why do medical staff members violate isolation principles?
Definition

-They get in a hurry and try to take shortcuts

-They don't understand how to follow the precautions

-They think the precautions don't really apply to them

Term
Under what conditions can a roommate be placed with an isolation patient?
Definition
If they are both infected with the same disorder OR if both pt's are cooperative, understand the infectious process, and have been taught how to use the isolation techniques.
Term
Why are contaminated articles bagged before they are taken out of the isolation unit?
Definition
To prevent contamination of the general environment and other people.
Term
Define routine and terminal cleaning.
Definition

Routine cleaning is done everyday (wiping up spills, damp mopping floors, vacuuming..etc)

Terminal cleaning is primarily toward objects that the pt has actually been in contact with.

Term
What additional precautions should be taken with cleaning equipment if the patient's condition requires a private room?
Definition
Equipment should be disinfected with an approved solution before going to another room
Term
How is the solution that is used for terminal cleaning selected?
Definition
Selected by your local infection control committee according to Environmental Protection Agency (EPA)standards.
Term
What should infectious patients wear when they are being transported through the hospital?
Definition
Gown, masks, and gloves
Term
Why is a private room the most effective type of isolation unit?
Definition
The pt is physically separated from other patients, and personnel are more apt to remember to wash their hands,etc., before going on to other pt's.
Term
How do masks protect the wearer?
Definition

They protect the wearer from inhaling large particle aerosols (droplets).

They might also prevent personnel from touching their mucous membranes and contaminating themselves.

Term
When should you put on and take off a mask?
Definition
Put it on before you enter the room and take it off before you leave.
Term
For what reasons are gloves worn?
Definition

-To provide a protective barrier and prevent gross contamination of the hands when touching blood, body fluids, secretions,excretions mucous membranes, and nonintact skin

-To reduce the liklihood of microorganisms being transmitted during sterile procedures; and to reduce transmission of microorganisms to other patients.

Term
What should you do with disposable equipment when it becomes contaminated?
Definition
It should be bagged, labeled, and disposed of according to local policy.
Term
What should you do with an isolation patient's food tray?
Definition
No special precautions are needed; hospital diswashers are capable of decontaminating dishes.
Term
What general tasks are included in the sterilization process?
Definition
Cleaning, disinfecting, wrapping, and sterilizing.
Term
List 3 examples of semicritical items.
Definition

1. Fiber-optic endoscopes

2. endotracheal tubes

3. Cystoscopes

Term
What factors determine the cleaning method to be used for equipment?
Definition

-Local policy

-Type of object to be cleaned

-Amount and type of organic material on the object

Term
When cleaning equipment, what things should you do to prevent self-contamination?
Definition
Always wear gloves, eye protection, and adhere to locally required protection.
Term
Briefly describe ultrasonic cleaning.
Definition
An ultrasonic device cleans by passing ultrasonic waves through a fluid. This produces submicroscopic bubbles, which collapse and pull dirt from objects by suction.
Term
What are 3 types of disinfection?
Definition

1. Pasteurization

2.Exposure to chemical germicides

3. Ultraviolet irradiation.

Term
For what purpose is low-level disinfection useful?
Definition
General cleaning purposes
Term
What type of disinfection is done by placing small items in boiling water for a specified period of time?
Definition
Pasteurization
Term
What special precaution must you take when using ultraviolet irradiation?
Definition
Wear protective garments such as, gown, gloves, and protective glasses.
Term
What characteristics should wrapping material for sterile packs have?
Definition
Wrapper must be constructed so that it allows the sterilizing agent to enter and leave, but does not allow microorganisms or dust particles to enter. It must be durable enough to withstand conditions in the sterilizer and in storage, and it must provide physical protection for delicate items. Wrapper must also be flexible enough to adapt to the shape of the object and allow the package to be opened without contaminating the contents. Finally, wrapper must be cost-effective.
Term
Why should you avoid adding extra supplies or equipment to a sterile pack?
Definition
Sterile packs are designed for one-time use. Adding materials is a waste of time and space.
Term
Which wrapping method is used for most packages?
Definition
Diagonal
Term
Why should you avoid using pins, clips, or staples to secure sterile packages?
Definition
Such objects make holes in the wrapper through which microorganisms can enter.
Term
What type of instrument should you use to label a sterile package?
Definition
Indelible-ink, felt-tipped marker
Term
What information should be included on the label?
Definition

-The contents of the package, the preparer's initials, preparing date, designation for receiving unit, sterilization control number, and expiration date.

Term
What are the 3 basic methods of sterilization?
Definition

Physical agents

chemical agents

ionizing radiation

Term
Which method of sterilization includes gravity desplacement sterilizers, prevacuum sterilizers, and washer-sterilizers?
Definition
Pressurized steam sterilizers
Term
When does a steam sterilizer begin timing the actual sterilization cycle?
Definition
when all the air is removed and the heat reaches a preset point.
Term
What are disadvantages of steam sterilizers?
Definition
They use great amounts of heat and cannot be used for many delicate items made of plastic or rubber.
Term
What is the primary function of washer-sterilizers?
Definition
to decontaminate/terminally sterilize used instruments after a procedure or operation.
Term
How should packages be arranged in an ethylene oxide sterilizer?
Definition
To allow full penetration of the gas to all surfaces.
Term
What are some advantages of ethylene oxide sterilizers?
Definition

-It is effective against all microorganisms

-It is noncorrosive and can be used for items that are too delicate for heat or steam sterilization.

-Readily available

-Penetrates dry material easily

-Eliminates the need for high pressure, humidity, and temperature.

Term
For what purpose is ionizing radiation primarily used?
Definition
Bulk sterilization of commercial products
Term
Organisms that cause infection and disease are called
Definition
pathogens
Term
Which term is used to describe the host's ability to develop a tolerance for the invading organism?
Definition
Commensalism
Term
Which term is used to describe the measurement of the pathogenicity or ability of the organism to invade host tissues, withstand defenses and cause infection?
Definition
Virulence
Term
Infectious agents, which are primitive one-celled, plant-like organisms that reproduce rapidly are called
Definition
Bacteria
Term
The classification of organisms responsible for the disease Rocky Mountain spotted fever is called
Definition
Rickettsiae
Term
The classification of organisms known to cause the disease malaria is called
Definition
Sporozoa
Term
what organism harbors or allows an agent to grow and reproduce?
Definition
the Host
Term
The stage of infection when systemic and localized symptoms appear is called
Definition
Illness
Term
Hepatitis is best defined as inflammation of the
Definition
liver
Term
What communicable diseases are readily transmitted by casual contact and are difficult to control or prevent?
Definition
Respiratory
Term
The Air Force uses the Enzyme-Linked Immuno-Sorbent Assay (ELISA) and Western Blot tests to detect
Definition
HIV antibodies
Term

Report communicable diseases to which office?

Definition
Public Health
Term
Which office is responsible for preparing a list of reportable diseases?
Definition
Public Health Office
Term
A health care provider notifies Public Health of a suspected communicable disease by
Definition
Completing an AF Form 570, Notification of Patient's Medical Status.
Term
Which medical term means the freedom of infection?
Definition
Asepsis
Term
Which medical term refers to practices designed to eliminate all microorganisms?
Definition
Surgical Asepsis
Term
Which substance is used to reduce the number of microorganisms on living tissue?
Definition
Antiseptic
Term
Medical aseptic handwashing is done to
Definition
protect patients, co-workers and self.
Term
Surgical aseptic handwashing is done to prevent infecting
Definition
Patients
Term
Why were transmission based precautions developed by the Centers for Disease Control?
Definition
Prevent the spread of infectious agents by interfering with the organism's known method of transmission.
Term

What are the 3 types of transmission-based precautions?

Definition

Airborne

Droplet

Contact

Term
Which transmission-based precaution must have monitored negative air pressure?
Definition
Air-borne
Term
Patients who are highly susceptible to infection are placed in which of the types of isolation?
Definition
Reverse Isolation
Term
What procedures are followed when transporting an infectious patient to the radiology department?
Definition
Put a gown,mask, and gloves on the patient; alert personnel, then transport.
Term
Which guideline should you follow when providing postmortem care to a patient who was in isolation?
Definition
Use the same precautions that you used when the patient was alive.
Term
An acceptable alternative to an anteroom for an isolation unit is the
Definition
an isolation cart
Term
When should sterile gloves rather than non-sterile gloves be worn when working with a patient in isolation?
Definition
When doing a sterile procedure
Term
Which sterilization classification refers to instruments or objects introduced directly into the boodstream?
Definition
Critical
Term
Which sterilization classification is applied to equipment used to perform a fiberoptic endoscope?
Definition
semicritical
Term
What is the first step when preparing objects for sterilization?
Definition
Cleaning
Term

High-level disinfection will destroy all of the following except:

-bacteria

-viruses

-fungi

-spores

Definition
spores
Term
Under the time related(traditional) method,which locally sterilized package would have a shelf life of 6 months?
Definition
Items in "peel-packed" wrapper
Term
What is the shelf life for sterilized equipment using the event-related method?
Definition
When package integrity is compromised
Term
Which method of sterilization is preferable for items that are delicate?
Definition
Ethylene oxide
Term
How is heat lost from the body?
Definition
Through the processes of conduction, convection, radiation, and evaporation.
Term
How do you obtain relative skin temperature on a patient?
Definition
By observing a patient and feeling his or her forehead.
Term

What are the advantages of using glass thermometers?

Definition

-They are the most flexible approach to temp assessment

-They are not affected by moisture or power outages

-They are extremely accurate as long as they are used correctly

Term
What method of temperature assessment should be reserved for general assessment purposes, or as a last resort?
Definition
Axillary
Term
What aspect of electronic thermometers minimizes the risk of contamination?
Definition
The disposable probe covers
Term
What are the disadvantages associated with the use of chemical dot thermometers?
Definition
The instability of them and the fact thay they can't be used for rectal temperatures.
Term
What causes the expansion and contraction of the arterial wall (pulse)?
Definition
Expansion occurs because of the increase in bloodflow that occurs when the left ventricle contracts. Contraction occurs when the flow returns to normal.
Term
Why is the carotid artery preferred for pulse checks in emergency situations?
Definition
It is easily accessible, has a very strong pulse, and persists when the stroke volume is too low to palpate peripheral pulses.
Term
Where would you place the diaphragm of the stethoscope if you were trying to auscultate an apical pulse?
Definition
Near the level of the fourth or fifth intercostal space at the midclavicular line, or just beneath the left nipple.
Term
What type of pulse irregularity may be associated with increased intracranial pressure, excessive vomiting, or tracheal suctioning?
Definition
Bradycardia
Term
What pulse characteristic is associated with conduction abnormalities such as atrial fibrillation and premature ventricular contractions?
Definition
Rhythm
Term
What are the characteristics of respiration?
Definition
Quality, rate,depth, and pattern.
Term
What can you determine about a patient's respiratory effort if he or she insists on remaining in a sitting or standing position and there appears to be an excessive amount of chest movement during respirations?
Definition
The patient is experiencing dyspnea and is in respiratory distress.
Term
What disease may produce rales?
Definition

Pulmonary edema

Pulmonary fibrosis

Pneumonia

Term
How would a brain tumor affect a patient's respiratory rate?
Definition
it would decrease it
Term
How does hypoventilation affect the carbon dioxide supply of the blood?
Definition
It can lead to excessive retention of carbon dioxide in the blood
Term
Briefly describe the Cheyne-Stokes breathing pattern.
Definition
It's characterized by cycles in which the respirations gradually increase and then decrease in rate and depth. These cycles alternate with short periods of apnea. At their longest, the respirations may last up to 30 to 45 seconds. The periods of apnea usually last 20 seconds or less.
Term
What breathing pattern is associated with metabolic acidosis and renal failure?
Definition
Kussmaul's
Term
What type of sputum is produced by a patient with a pulmonary infection or pneumonia?
Definition
Thick, green, purulent sputum
Term
What is diastolic pressure?
Definition
The level of pressure in the arteries during relaxtion of the heart, or rather when the heart is at rest.
Term
What condition frequently is characterized by rising systolic pressures and stable or falling diastolic pressures?
Definition

Head Injuries

Term
What type of reading will be produced if the BP cuff is too big?
Definition
falsely low
Term
Describe the procedure for palpating the blood pressure.
Definition
Palpate either the brachial or the radial pulse as you inflate the cuff, and continue to inflate the cuff for approx another 30mm Hg after the pulse disappears. Continue to palpate for the pulse as you slowly deflate the cuff. The point where the pulse reappears is the systolic pressure.
Term
In what positions should the patient be placed while taking orthostatic vital signs?
Definition
Lying, sitting, and standing
Term
What are 2 possible treatments for postural/orthostatic hypotension?
Definition
Intravenous therapy or blood transfusion therapy
Term
Nuerologic checks is performed at regular intervals on patients who may have..
Definition
a head injury or who have had brain surgery
Term
What is consensual reflex?
Definition
When either pupils get smaller when either eye is stimulated with light
Term
How will pupils react when viewing far objects?
Definition
they will dilate
Term
What does an oximetry machine measure?
Definition
Arterial hemoglobin oxygen saturation
Term
What medical diagnosis will cause a pulse oximeter to give false high readings?
Definition
Carbon Monoxide poisioning
Term
Peak expiratory flow is also referred to as what?
Definition
Expiratory Reserve Volume
Term
What are the 2 most useful purposes of the pulmonary function test?
Definition
Evaluating losses in respiratory function and following the course of certain respiratory diseases.
Term
Which of the 4 respiratory capacities represents the total amount of exchangeable air?
Definition
Vital Capacity
Term
Define anatomical dead space.
Definition
The volume of the conducting respiratory passageways (area in and around the nose,pharynx,larynx,trachea, and bronchial tree) which fills with inspired air but never contributes to gas exchange in the alveoli.
Term
Before administering the PFT, what information must you find out from the patient that may have an effect on the test?
Definition
If your pt has smoked, eaten, or has recently had a respiratory tract infection.
Term
How long must an examinee blow into the PFT machine before a tracing can be considered acceptable?
Definition
For at least 5 seconds, or until an obvious plateau in the volume-time curve has occured.
Term
When using the appropriate nomogram to determine predicted values, what 2 factors must be known?
Definition

Height and age

Term
What must you do to the predicted FEV and FVC values for non-caucasian examinees and why?
Definition
Multiply them by 0.85; to adjust for the lower(15 % difference) predicted normals.
Term
What initiates electrical impulses in the heart?
Definition
The sinoatrial (SA) node
Term
Explain the progression of the electrical impulse through the heart.
Definition
Intiating in the SA node, the electrical impulse passes through the AV node down the Bundle of His to the left and right bundle branches, and then through the Purkinje fibers which terminate in the ventricular walls.
Term
Where in the heart is the Purkinje fiber network most elaborate?
Definition
the left ventricle
Term
What the 3 destinguishable waves of an ECG called?
Definition
deflection waves
Term
What does the QRS complex represent?
Definition
Ventricular depolarization
Term
Define an artifact.
Definition
Any artificial products or features that appear on and ECG tracing and can render the tracing invalid.
Term
Define arrhythmia.
Definition
Any variation from the normal electrical rate and/or sequence of cardiac activities.
Term
When applying limb leads on the fleshy portion of an extremity, where must you ensure that the electrodes do not lie?
Definition

Directly on the bone

Term
By measuring the various waves, complexes, interval, and electrical voltage, what can a trained person determine from an ECG?
Definition
The rate, rhythm, and axis of the hear, along w/ any evidence of myocardial hypertrophy or infarction.
Term
How many pounds are in one kilogram?
Definition
2.2
Term
Of the two methods used to measure standing height, which is most prefered?
Definition
Back to hard surface
Term
How should the patient's hips, knees, and ankles be flexed while measuring a sitting height?
Definition
at 90 degrees and the lower legs dangling free
Term
What type of patient may have daily abdominal girth measurements?
Definition
A pt with cirrhosis of the liver or when internal bleeding may be suspected.
Term
For what type of patients are rectal temperatures contraindicated?
Definition
Cardiac
Term
When taking the rectal temp of an adult pt, how far into the rectum should the termometer be inserted?
Definition
1.0 inch
Term
Which pulse point persists when stroke volume is low?
Definition
Carotid
Term
What is the anatomical location of the apex of the heart, which is used for auscultating the apical pulse?
Definition
Left side of the body, fourth or fifth intercostal space, midclavicular line.
Term
Which term is used to define difficult or painful breathing?
Definition
Dyspnea
Term
Slow or irregular shallow respiration called hypoventilation can lead to an excessive accumulation of carbgon dioxide in the blood, which can result in a condition called
Definition
Respiratory acidosis
Term
Rapid, deep breathing, referred to as hyperventilation, depletes the carbon dioxide level in the blood and can result in a condition called
Definition
respiratory alkalosis
Term
Which breathing pattern is characterized by an increase in both depth and rate of respiration and is associated with metabolic acidosis and renal failure?
Definition
Kussmaul's
Term
Which sign, associated with the respiratory system, would be an indication of pulmonary edema?
Definition
Frothy, blood-tinged sputum
Term

When performing a health history, which factor would you suspect did not contribute to a pt's hypertension?

1.Obesity

2.Regular Exercise

3.Diet high in Sodium

4. Post menopausal woman

Definition
2. Regular Exercise
Term
Which blood pressure reading would be noticeable if a pt has suffered trauma to the head?
Definition
Rising systolic, falling diastolic
Term
What is another term for orthostatic hypotension?
Definition
Postural hypotension
Term
Neurological checks should be performed on a pt with suspected
Definition
Increased intracranial pressure
Term
A pulse oximetry machine can give false high reading when a pt being tested is suffering from
Definition
carbon monoxide poisioning
Term
Notify the nurse or physician immediately if the pt's oxygen saturaion (SaO2 oxygen saturation) falls below
Definition
80%
Term
The amount of air that enters and leaves the lungs during normal breathing is called
Definition
Tidal volume
Term
when performing a pulmonary function test on a pt, according to Air Force standards, what is the minimum percentage standard for the predicted FEV or FVC?
Definition
80
Term
When performing a pulmonary function test on a pt, according to Air Force standards, what is the minimum percentage standard for the FEV/FVC ratio?
Definition
70
Term

Before administering the pulmonary function test, ensure the pt has not

Definition
smoked within the past hour
Term
During pulmonary function testing, the minimum number of practice attempts and acceptable tracings an examinee must perform are
Definition
2;3
Term
Where does the electrical stimulation of the heart muscle initiate?
Definition
Sinoatrial node
Term
Where do the electrical impulses terminate within the heart?
Definition
Purkinje fibers
Term
Where is the Purkinje fiber network the most elaborate?
Definition
Left ventricle
Term
Any artificial products or features which appear on an electrocardiogram tracing are called
Definition
Artifacts
Term
What term is used to describe any variance in the normal electrical rate or sequence of cardiac activities discovered on electrocardiogram tracings?
Definition
Arrythmia
Term
When you do an electrocardiogram, where do you place the V2 chest lead on the individual?
Definition
Left side of sternum, fourth intercostal space
Term
If you are performing an electrocardiogram on someone who is rated, a copy of that electrocardiogram must be sent to the
Definition
USAF Central electrocardiogram library
Term
When converting pounds to kilograms, one kilogram is equal to how many pounds?
Definition
2.2lbs
Term
When taking an individual's measurements, standing height is recorded to the nearest
Definition
quarter of an inch
Term
A sitting height measurement is required on all
Definition
flying training physicals
Term
An individual's sitting height measurement is recorded to the nearest
Definition
quarter inch
Term
An individual's weight measurement is recorded to the nearest
Definition
quarter pound
Term
What is a girth measurement?
Definition
Distance around a body part
Term
Which symbol is used when recording a pulse on SF 511, Vital Sign Record?
Definition
an open circle 0
Term
Which symbol is used when recording a temperature on SF 511, Vital Sign Record?
Definition
a closed circle
Term
What special test is used to detect occult blood in the urine?
Definition
Hematest
Term
What test is used to determine the hydration level of the pt?
Definition
Specific gravity test
Term
If you find calculi when straining urine, what should you do?
Definition
Save it and send it to the lab for analysis
Term
Stool samples are obtained for what reasons?
Definition

Occult blood

parasites

fat

other abnormalities

Term
When performing a urine test, a sample w/ a specific gravity of 1.030 suggets that a pt is experiencing
Definition
dehydration
Term
How much fecal material is required to send to the lab for a tool specimen?
Definition
2 tablespoons
Term
Which site is not recommended for skin puncture to obtain a blood sample?
Definition
elbow
Term
During a skin puncture, why is the first drop of blood wiped away?
Definition
It contains epithelial cells, which may interfere with test results
Term
The normal fasting blood glucose level is
Definition
70 to 115 mg/dl
Term
What is the purpose of performing an "Allen Test" before performing an arterial blood gas test? (ABG)
Definition
Ensure the ulnar artery can maintain a blood supply to the hand
Term
What should you instruct a pt to do before coughing up a sputum culture?
Definition
Rinse mouth with hot water
Term
The rapid strep tests can only detect the presence of
Definition
"Group A" strep
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