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med surg II Unit 1
Immune/Hemo
117
Nursing
Undergraduate 1
09/04/2011

Additional Nursing Flashcards

 


 

Cards

Term
What are standard precautions?
Definition

measures for reducing the risk of transmitting pathogens from both recognized and unrecognized sources of infection.

Term
transmission-based precautions are for what types of pts?
Definition

For pt known to be or suspected of being infected with highly transmissible pathogens,


It may include  isolatingthe pt

Term

T/F?

 

You need to take extra percations when handeling the blood of a pt with HIV.

Definition

Fales

 

You should take the same precations with all blood

 

asume it is potentialy hazerdus

Term

Immune System

The function

 


Definition
system is to recognize any foreign substance within the body and eliminate.
Term
causes of fever 
Definition
normal response to infection, vaccines, tissue injury, malignancy, drugs, inlfammatory diseases, metabolic disorders 
Term
immunity 
Definition
refers to all the processes used by the body to protect against foreign material from environmental sources, including microorganisms or their toxins, foods, chemicals, pollen, dander, or drugs. 
Term
natural immunity 
Definition

These consist of physical barriers such as the skin, mucous membranes, and cough reflex; chemical barriers such as pH of the stomach, fatty acids and proteolytic enzymes of the small intestine; and fever.

 

nonspecific immune cells such as phagocytes (macrophages, neutrophils, natural killer cells) and lymphocytes

Term
Acquired immunity 
Definition

a specific immunity, triggered when a person has had prior contact with a foreign agent. Upon initial contact, a chain of events leads to the activation of the humoral system


(Memory B cells)

Term
what is an example of  Natural passive immunity?
Definition
A baby getting antibodies from the mothers milk
Term
What is HIV caused by?
Definition
a RNA retriovirus
Term
What cell type does HIV attack?
Definition
CD4  T-helper cells
Term
How Does HIV affect immunity?
Definition
if the helper T cells are dmaged or not functioning then they can not identify the invatores for macrophages and B cells to help attack
Term
A CD4 count < ____  means the person is at risk of opertunistic infections
Definition
< 200mm3
Term

true or fales

HIV does not cross the blood brain barrier

Definition
Fales 
Term

HIV is a self  replicating virus

 

T/F

Definition

Fales

the hiv virus attaches to the out side of a cell then injects

it's contents and uses teh hosts cells machinery to replicate  

Term
what are some common opertunistic infections that HIV pts offten get
Definition

pneumonystis carinii

candidiasis

TB

Herpes

Kaposi's sarcoma

Term
how is HIV transmitted
Definition

through blood to blodd contact

 

sex, IV drug use

Term
What are S/S of infection of a pt with HIV
Definition

may/may not have fever

 

weight loss, diarrhea, night sweats fatigue

Term
What are the diagnostic testing for HIV
Definition
EILSA, western blot and viral load
Term
What must a nurse do for a pt after they recive a + HIV test results
Definition

the pt must recive counciling the nusre can set that up

 

and  referr to a souport group

Term
what are the types of organ rejection
Definition

Acute

 

Chronic

Term
what is an acute organ rejection
Definition

when the organ is rejected in 1 week to 3 months of getting. 

 

The T cells and NK celss attack new organ

due to blood vessal nacrosis not aclution

Term
what are the S/S of organ rejection?
Definition

general discomfort

feeling ill or an uneasiness

pain

swelling 

fever

weight change

change in heart rate

decreased urin

Term
What is a shift to the left
Definition

the segmented neutrophil (mature), which is seen at the far right of the neutrophil pathway, is no longer the most numerous type of circulating neu trophils.

 

the bands are high

 

 

Term

What is heprin

 

100/ml 

 

used for?

Definition
hep. Lock
Term

What is 

1000u/ml

used for

Definition
IV bolus
Term

10,000u/ml

is used for?

Definition
SQ inject
Term
The liver is the site for production of
Definition

prothrombin and most of the blood clotting factors and vitamin K

Term
what are the percations for nutripinic pts
Definition

wash hands

gown mask glove

antimicrob diet

Term
what are the risks of infection
Definition

poor hygen 

age (old and yung)

gender-femails strongerbut they get autoimune

nutrion-has biges impact!!!!

stress

Drugs- chemo, or recreational

Term

Physical bariers

agenst infection

Definition

Skin

acidmantal

mucusmembrian

cillia

HCL in stomach

normal flora

Term
Why would an elderly person have an increased risk of Urinary Tract Infections? 
Definition

Decreased bladder tone which causes urinary stasis and therefore can lead to a UTI

(ex. of a Physical Barrier that is altered)

Term
The elderly tend to have decreased tissue perfusion because of what disease?
Definition

Vascular disease

(decreased Blood Flow)

Term
Elderly have a decreased Immune function to the Skin because of what happens?
Definition
Loss of skin elasticity
Term

The elderly have a slower healing and ability to fight infection due to:

 
Definition

Decreased phagocytic activity and impaired neutrophil function

 
Term
The elderly are at risk for Immobility, that can bring on what  other complications: 
Definition

Cardiovascular

(decreased CO and increased vascular resistance)

Term
The elderly can have Gastrointestinal problems due to risk of decreased:
Definition

HCl production and peristalsis

 
Term
The Genitourinary System in the eldery is altered due to decreased:
Definition
Bladder emptying and mucosal barrier
Term
What is Delayed hypersensitivity?
Definition

T-lymphocyte mediated
Exposure to previously sensitized antigen, T-cells release lymphokines  leading to cell lysis

Examples: TB test, contact dermatitis

Term
What should a nurse teach a pt with a new transplant?
Definition

infection controll

side effects of meds

s/s of rejection

report any loss of function

Term
what are the types of Agranularsits?
Definition

Monocytes-Macrophages

 

Leucocytes-T/B cells

Term
What are the types of Granularsites?
Definition

Basophiles

Nutrophils

Eosiniphiles

Mast cells

Term
What are the types of Lymphocytes
Definition

T- cells

B- cells

 

NK cells

Term
what are the diffrent type of T cells
Definition

CD 4 helper

 

CD 8-  cytotoxic T cell

Term
what is the roll of helper T cells (CD 4)?
Definition

participate in cell-mediated immunity and are responsible for recruiting and regulating nonspecific immune cells such as phagocytes.



Term

What is the roll of a CD- 8 T cell?

 

(cytotoxic T cell)

Definition

recognizes antigens on the surface of a virus-infected cell

they destroy and deactivate foreign antigens                    

 

 

 

 

 

 

 

 

 

 

 

 

Term
What is the roll of the B- cells
Definition

To produce antibodies and are the primary defences against bacterial infections


Activated by Humoral immunity

Term
What is the roll of NK cells?
Definition
Kill invaders without the help of macrophages
Term
What is an example of a non-specific immune responce? 
Definition
Inflimation
Term
What is the purpose of a non-specific immune response?
Definition

localize damage

control spread of infection

clears area of debris so healing can occur

Term
 What cells are involved in a non-specific immune responce?
Definition

neutrophils

macrophages

Term
What are the chemical mediators involved in a inflammatory response?
Definition

serotonin

histamine

kines

Term
_______ are proteins produced by WBC's and stimulate other ________.
Definition
Cytokines, leukocytes.
Term
What cells are involved with specific immunity?
Definition

T-cells

B-cells

Term
what cell helps activate CD-4 (helper T) cells?
Definition
macrophages
Term
When exposed to a new antigen what antibody will your body produce?
Definition
IGM
Term
What is the most raipidly produced antibody?
Definition
IGg
Term
What is the primary antibody of the mucosal system?
Definition
IGa
Term
What antibody binds to mast cells and basophils to release chemical mediators and involved in alergic responses?
Definition
IgE
Term
What does a rise in total neutrophils indicate?
Definition
A bacterial infection
Term
what does a rise in both neutrophils and monocytes indicate?
Definition
inflimation, trama
Term
If a pt has a neutrophils count of <500 what does that indicate?
Definition
the pt is neutropenic and is at high risk for infection
Term
what is an example of a biological modifing drug?
Definition
Interferon
Term
What is the goal of giving interferion?
Definition
returning CA cells to normal functioning cell
Term
What is Lupus erthematosus?
Definition
a long-term autoimmune disorder that may affect the skin, joints, kidneys, brain, and other organs.
Term
In what groups of people is lupus most common?
Definition
is much more common in women than men. It may occur at any age, but appears most often in people between the ages of 10 and 50. African Americans and Asians are affected more often than people from other races.
Term
S/S of lupus:
Definition

 

varys from person to person, and may come and go. Almost everyone with SLE has joint pain and swelling,  affected joints are the fingers, hands, wrists, and knees.

Other common symptoms include: Chest pain when taking a deep breath, FatigueFever with no other cause, General discomfort, uneasiness, or ill feeling (malaise), Hair loss, Mouth sores, Sensitivity to sunlight, Skin rash -- a "butterfly" rash over the cheeks and bridge of the nose affects about half of people with SLE. The rash gets worse in sunlight. The rash may also be widespread.. Swollen lymph nodes

 

Term
What is Scleroderma 
Definition

is a AUTOIMMUNE DISORDER that affects connective tissue disease that involves changes in the skin, blood vessels, muscles, and internal organs                                                                  

  

A buildup of collagen in the skin and other organs ,leads to the symptoms of the disease.

 

 

 

 

 

 

 

 

 

 

Term
What groups of people are most at risk of getting scleroderma?
Definition
usually affects people 30 to 50 years old. Women get scleroderma more often than men do. Some people with scleroderma have a history of being around silica dust and polyvinyl chloride, but most do not.
Term
Localized scleroderma usually affects 
Definition

 

affects only the skin on the hands and face. It develops slowly, and rarely, if ever, spreads throughout the body or causes serious complications.

 

Term
Systemic scleroderma, or sclerosis, may affect
Definition
 large areas of skin and organs such as the heart, lungs, or kidneys. There are two main types of systemic scleroderma: Limited disease (CREST syndrome) and diffuse disease.
Term
Skin symptoms of scleroderma may include:
Definition
  • Fingers or toes that turn blue or white in response to hot and cold temperatures (See: Raynaud's phenomenon). Hair loss. Skin hardness. Skin that is abnormally dark or lightSkin thickening, stiffness, and tightness of fingers, hands, and forearm. Small white lumps beneath the skin, sometimes oozing a white substance that looks like toothpaste. Sores (ulcers) on the fingertips or toes. Tight and mask-like skin on the face

Term

Scleroderma

Bone and muscle symptoms may include:

Definition
  • Joint pain

  • Numbness and pain in the feet

  • Pain, stiffness, and swelling of fingers and joints

  • Wrist pain

Term

SCLERODERMA

Breathing problems may result from scarring in the lungs and can include:

Definition
  • Dry cough

  • Shortness of breath

  • Wheezing

Term

SCLERODERMA

Digestive tract problems may include:

Definition
  • Bloating after meals

  • Constipation

  • Diarrhea

  • Difficulty swallowing

  • Esophageal reflux or heartburn

  • Problems controlling stools (fecal incontinence)

Term
What is  Anemia?
Definition

a reduction in either the n umber of RB Cs, the amount of hemoglobin, o r t he hematocrit (percentage of packed RB Cs per deciliter of blood).

Term

Anemia

INTEGUMENTARY MANIFESTATIONS:

Definition

Pallor, especially of the ears, the nail beds, the palmar creases, the conjunctivae, and around the mouth

• Cool to the touch

 • Intolerance of cold temperatures

 • Nails become brittle and may lose the normal convex shape; over time, nails become concave and fingers assume club-like appearance

Term

Anemia

CARDIOVASCULAR MANIFESTATIONS

Definition

• Tachycardia at basal activity levels, increasing with activity and during and immediately after meals

• Murmurs and gallops heard on auscultation when anemia is severe

• Orthostatic hypotension

Term

Anemia

RESPIRATORY MANIFESTATIONS

Definition

• Dyspnea on exertion

• Decreased oxygen saturation levels

Term

Anemia

NEUROLOGIC MANIFESTATIONS

Definition

Increased somnolence and fatigue

• Headache

Term
What is the most common types of hemolytic anemia in North America
Definition

Immunohemolytic Anemia

Term
Immunohemolytic Anemia result from
Definition

immune system products (e.g., antibodies) attack a person's own RB Cs for unknown reasons.

Term

In Iron Deficiency Anemia RBCs are


(size)?

Definition

small (microcytic)

Term

Patients with Iron Deficiency Anemia may have mild symptoms that include:

Definition
weakness and pallor.
Term
In iron deficiency anemia, serum ferritin values are:
Definition

LOW

 

less than 10 n g/mL (normal range is 12 to 300 ng/mL).

 

Term

Iron deficiency anemia  can result from:

Definition

blood loss, poor GI absorption of iron, and an inadequate diet.

Term

Iron deficiency anemia is most common in:

Definition
women, older adults, and people with poor diets.
Term

Any adult with iron deficiency should ALWAYS be evaluated for:

Definition
abnormal bleeding, especially from the GI tract.
Term

The management of iron d efficiency anemia involves increasing the oral intake of iron from food sources such as:

Definition

red meat, organ meat, egg yolks, kidney beans, leafy green vegetables, and raisins

Term
Vitamin B12 deficiency causes anemia by inhibiting:
Definition

folic acid transport and reducing DNA synthesis in precursor cells to RBC

 

These precursor cells then undergo improper DNA synthesis and increase in size

Term

Vitamin B12 Deficiency Anemia is called


(size of cells)

Definition

megaloblastic or macrocytic anemia because of the large size of these abnormal cells.

Term
Vitamin B12 deficiency results from
Definition

poor intake of foods containing vitamin B12. This can occur with vegetarian diets or diets lacking dairy products.

 

small bowel resection, diverticula, tapeworm, or overgrowth of intestinal bacteria

Term
pernicious anemia is caused by
Definition

deficiency of intrinsic factor (a substance normally secreted by the gastric mucosa), which is needed for intestinal absorption of vitamin B12.

Term
foods rich in vitamin B12
Definition

animal proteins, eggs, nuts, dairy products, dried beans, citrus fruit, leafy green vegetables

Term
Aplastic anemia is a deficiency of-
Definition

circulating red blood cells (RBCs)

 

because of failure of the b one marrow to produce these cells.

Term

acquired aplastic anemia can be caused by:

Definition
long-term exposure to toxic agents and drugs, ionizing radiation, or infection.
Term

S/S of Aplastic anemia

Definition

poor oxygenation such as weakness, pallor, and petechiae or ecchymosis.

Term

______ are the management for patients with aplastic anemia.

Definition

Blood transfusions

 

FYI This therapy is discontinued as soon as the bone marrow begins to produce RBCs.

Term

Labs:      MCV                  MCH                RDW

 

 

PTs:         ↓                        ↓                      ↑



based on these values what type of anemia

does the pt have

Definition
Iron deficiency anemia
Term

Labs:      MCV                  MCH                RDW

 

 

PTs:         ↑                    norm                      ↑



based on these values what type of anemia

does the pt have

Definition
Pernitious or B12 
Term

Labs:      MCV                  MCH                RDW

 

 

PTs:         ↓                        ↓                   norm



based on these values what type of anemia

does the pt have

Definition
Thalacmia
Term
what is Leukemia?
Definition

a type of cancer with uncontrolled production of immature WB Cs (usually blast cells) in the bone marrow.

 

Without treatment, the patient will die of infection or hemorrhage.

Term
What is  Acute myelogenous leukemia (AML)?
Definition

is the most common form of adult-onset leukemia. Acute promyelocytic leukemia (APL) is a subtype of AML that makes up about 10% of adult-onset AML.

.

Term
Acute lymphocytic leukemia (ALL)
Definition

makes up about 10% of adult-onset leukemias but is most common in children.



Term

Acute Leukemia

INTEGUMENTARY MANIFESTATIONS

Definition

Ecchymoses

Petechiae

Open infected lesions

Pallor of the conjunctiva, nail beds, palmar creases, and around the mouth

Term

Acute Leukemia

GASTROINTESTINAL MANIFESTATIONS

Definition

Bleeding gums

• Anorexia

• Weight loss

• Enlarged liver and spleen

Term

Acute Leukemia

RENAL MANIFESTATIONS

Definition
Hematuria
Term

Acute Leukemia

MUSCULOSKELETAL MANIFESTATIONS

Definition

Bone pain

• Joint swelling and pain

Term

Acute Leukemia

treatment

Definition
Hematopoietic stem cell transplantation (HSCT), sometimes called bone marrow transplantation (BMT),
Term
What drug block vitamin K?
Definition
Coumadin
Term
What lab needs to be drawn if they are on Comedian?
Definition

Prothrobin time (PT)

 

aslo INR

Term
When a pt is on coumadin what do you want there PT range to be?
Definition
1.5-2 X the norm
Term
what it the thariputice range for a pt on heprin?
Definition
1.5-2.5 X norm
Term
What labs should be drawn when a pt is on heprin?
Definition
PTT
Term
What is the antagonist for heprin?
Definition
Protamine Sulfat
Term
What is the antagonist for coumadin?
Definition
Vitamin K
Term

Coumadin

What is the Most important patient education: 

Definition
Teach patients to monitor for bleeding, to modify behavior to avoid injuries, and to avoid greatly increased vitamin K intake.
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