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Positioning
Midterm Review - second Semester
175
Anatomy
Undergraduate 1
10/26/2017

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Cards

Term
What is the recommended SID for a PA oblique projection of the sternum?
Definition
30 - 40 inches
Term

True/False

Instructing your patient to take in two deep breaths before making the exposure, is recommended for achieving a quality chest x-ray.

Definition
True
Term
Which of the following is the recommended respiration phase that should be used when examining the lower ribs?
Definition
Expiration
Term
Which ribs are demonstrated on an AP oblique (RPO/LPO) projection?
Definition
side closest to the IR
Term
The part of the lung that extends above the clavicle is termed the:
Definition
apex
Term
What is the central-ray angle for a PA chest radiograph?
Definition
perpendicular
Term
Which side of the patient's chest is placed against the IR for a ventral or dorsal decubitus lateral projection?
Definition
affected side
Term

The body habitus shown here, can be described as broad shouldered, with a short, wide lung base. It is called __________.

Definition
hypersthenic
Term
Which of the following are required to produce a chest radiograph using a decubitus position? 1.) breathing technique 2.) patient in the recumbent position 3.) horizontal x-ray beam
Definition
2 and 3
Term
Which projection and body position will demonstrate the sternum through the heart?
Definition
PA oblique, RAO
Term

The above radiographic image demonstrates the right ribs elongated. There are only TWO views that will demonstrate the right ribs elongated. They are:

Definition
RPO and LAO
Term
What is the patient position for a lateral projection done in the dorsal decubitus position?
Definition
supine
Term
How much is the body rotated for the PA oblique projection of the sternoclavicular articulation (body rotation technique)?
Definition
10 to 15 degrees
Term
How much should the body be rotated for a PA oblique projection of the sternum?
Definition
15 to 20 degrees
Term
When performing the PA oblique projection (body rotation technique) of the sternoclavicular articulations, which of the joints would be demonstrated?
Definition

the joint closest to the IR

Term
Where is the center of the IR positioned for a PA projection of sternoclavicular joints?
Definition
third thoracic vertebra
Term
What is the purpose for rolling the patient's shoulders forward when positioning for a PA chest x-ray?
Definition
moves the scapulae out of the lung field
Term
What is the respiration phase for the PA projection of the upper ribs?
Definition

full inspiration

Term
Each lung is divided into specific segments called:
Definition
lobes
Term
If the lateral decubitus position is used to demonstrate fluid in the pleural cavity, which side must the patient lie on?
Definition
affected side
Term

Your patient is positioned in a 10-15 degree RAO to visualize the sternum. Which of the following correctly describes where the CR will enter the body?

Definition
enters elevated side of posterior thorax, approximately 1 inch lateral to the midsagittal plane
Term
The central-ray angle for a lateral sternum is:
Definition
perpendicular
Term
What is the recommended SID for a PA chest radiograph?
Definition
72 inches
Term
Which of the following projections would be used to demonstrate the sternum on a trauma patient who must remain relatively supine?
Definition

AP projection, LPO

Term
Which of the following is the essential projection and body position for demonstration of the sternum?
Definition
PA oblique, RAO
Term
What is the central-ray angle for the Lindblom method (apical lordotic position) of demonstrating the pulmonary apices?
Definition
0 degrees
Term

An LPO will demonstrate the:

Definition

left ribs elongated

Term
How is the central ray positioned for an x-ray projection done with the patient placed in a decubitus position?
Definition
horizontal
Term
The space between the two pleural walls is called the:
Definition
pleural cavity
Term
Where is the IR centered for a PA oblique sternum?
Definition
seventh thoracic vertebra
Term

Which of the following form the bony thorax?

1.) sternum

2.) 12 pairs of ribs

3.) 12 thoracic vertebrae

Definition
1, 2, and 3
Term
The central ray for a PA projection of the upper ribs is:
Definition
0 degrees
Term
What is recommended on how long should the patient remain in position before making the exposure when performing a projection in the lateral or dorsal decubitus position?
Definition
5 minutes
Term
The costophrenic angle is a part of the:
Definition
lungs
Term
Which plane must be accurately parallel with the IR to prevent distortion of the thoracic structures during a lateral chest radiograph?
Definition
midsagittal plane
Term
What is the most optimal position of the patient for examinations of the heart and lungs?
Definition
upright
Term

The respiratory system proper consists of the:

1.) larynx

2.) trachea and bronchi

3.) both lungs

Definition
1, 2, and 3
Term
Where should the patient's hands be positioned for an upright lateral sternum?
Definition
behind the back
Term
The central-ray angle for the PA oblique projection of the sternum is:
Definition
perpendicular
Term
How far above the shoulders should the IR be positioned for PA and lateral chest radiographs?
Definition
1.5 to 2 inches
Term
The central-ray angulation for a PA projection of the sternoclavicular joint is:
Definition
0 degrees
Term
The presence of gas or air in the pleural cavity is termed:
Definition
pneumothorax
Term
The aspiration of a foreign particle in the lung would be termed:
Definition
aspiration pneumonia
Term
Why is the left lateral chest position the most commonly used for lateral radiographs of the chest?
Definition
patient's heart is closer to the IR
Term

What is the optimal respiration phase for a PA or lateral chest radiograph?

Definition
full inspiration—second breath
Term

Which of the following is/are the recommended position(s) for optimal demonstration of the upper anterior ribs?

1.) recumbent

2.) standing

3.) seated upright

Definition
2 and 3
Term

Functions of the stomach include:

1.) storage of food

2.) absorption of food products

3.) chemical breakdown of food

Definition
1 and 3
Term
One of the most important technical considerations in gastrointestinal radiography is:
Definition
elimination of motion
Term

Which of the following are advantages of using the double contrast technique for examination of the stomach?

1.) fewer radiographs are required

2.) small lesions are not obscured

3.) the mucosal lining of the stomach can be more clearly visualized

Definition
2 and 3
Term
If a patient is unable to stand for an upright AP abdominal radiograph, which position should be used?
Definition
left lateral decubitus
Term
What is the general body position for images that the radiographer takes of the esophagus?
Definition
recumbent
Term
One of the primary reasons a left lateral decubitus abdominal radiograph is performed is to demonstrate:
Definition

air-fluid levels

Term

A properly exposed abdominal radiograph will exhibit the: 1.) psoas muscles

2.) lower border of the liver

3.) transverse processes of the lumbar vertebrae

Definition
1, 2, and 3
Term
A specific radiographic examination of the biliary ducts is termed:
Definition
cholangiography
Term

For which of the following projections of the abdomen is the x-ray beam placed in the horizontal position?

1.) lateral

2.) PA, upright

3.) AP, lateral decubitus

Definition
2 and 3
Term
What is the respiration phase for an AP abdominal radiograph done in the supine position?
Definition
expiration
Term
The expanded portion of the terminal esophagus is called the:
Definition
cardiac antrum
Term
Where is the center of the IR positioned for an AP abdominal radiograph done in the upright position?
Definition
2 inches above the iliac crests
Term

The routinely used methods of examining the stomach include:

1.) no contrast

2.) single contrast

3.) double contrast

Definition
2 and 3
Term
Food and fluid should be withheld for how many hours before a stomach examination?
Definition
8-9
Term
The most commonly performed abdominal examination is referred to as a(n):
Definition
KUB
Term
The patient "prep" for a morning stomach examination is:
Definition
food and fluid are withheld after midnight
Term
What is the average degree of body rotation for an oblique projection of the stomach and duodenum?
Definition
45 degrees
Term
The term rugae describes:
Definition
the folds of the stomach
Term

Which of the following organ(s) is not in the retroperitoneal space?

1.) stomach

2.) gallbladder

3.) kidneys

Definition
1 and 2
Term
The muscle controlling the opening between the stomach and the duodenum is termed the:
Definition
pyloric sphincter
Term
For all projections of the esophagus, the top of the IR is positioned at:
Definition
the level of the mouth
Term
Which projection of the stomach demonstrates its anterior and posterior surfaces?
Definition
lateral
Term
What is the recommended oblique projection and position for the best demonstration of the esophagus?
Definition
PA and RAO
Term

True/False

During an UGI, it is advisable to stand behind the radiologist when possible, to reduce exposure to yourself

Definition
True
Term

Which of the following is/are NOT common projections for an esophagus series?

1.) AP or PA

2.) left lateral decub

3.) RAO oblique

Definition
2 only
Term

Which of the following ensures air will rise into the fundus, and barium will flow into the body of the stomach?

Definition
RAO
Term
Where is the center of the IR positioned for an AP abdominal radiograph done in the left lateral decubitus position?
Definition

2 inches above the iliac crests

Term
The central-ray angulation for an AP abdominal radiograph is:
Definition
0 degrees
Term
The stomach will usually sit higher and more transversely with which body habitus:
Definition
hypersthenic
Term
Which of the following planes is centered to the grid for the PA oblique projection of the stomach and duodenum?
Definition

a longitudinal plane midway between the vertebrae and the lateral border of the elevated side

Term
This question pertains to an UGI exam using air and barium as contrast: When looking at an image of the stomach taken with the patient in an LPO, you will see:
Definition
barium in the fundus, air in the body of the stomach
Term

Functions of the gallbladder include:

1.) storing bile

2.) concentrating bile

3.) filtering the blood

Definition
1 and 2
Term

Which of the following are essential projections/positions of the stomach and duodenum?

1.) AP projection, LAO

2.) PA projection, RAO

3.) PA projection, LAO

Definition
2 only
Term

Which of the following contrast mediums can be used for examinations of the gastrointestinal tract?

1.) air

2.) barium sulfate

3.) water-soluble iodinated solution

Definition
1, 2, and 3
Term
What is the most common respiration phase for radiographic exposures of the stomach and intestines?
Definition
expiration
Term

Which of the following are components of the alimentary canal?

1.) mouth and pharynx

2.) stomach and intestine

3.) liver and pancreas

Definition
1 and 2
Term

Which of the following are prime considerations in producing a supine KUB image?

1.) include diaphragm, not symphysis pubis

2.) explain the breathing procedure to the patient

3.) center at the level of the iliac crest

Definition
2 and 3
Term
What is the average degree of body rotation for the PA oblique projection of the esophagus?
Definition
35 to 40 degrees
Term
Where is the center of the IR positioned for an AP abdominal radiograph (KUB) done in the supine position?
Definition
iliac crests
Term

At which level is the IR centered for an AP or PA oblique stomach and duodenum?

Definition
L1/L2
Term
The most common contrast medium used for radiologic examinations of the gastrointestinal tract is:
Definition
barium sulfate
Term
Where is the center of the IR positioned for a lateral projection of the abdomen done in the dorsal decubitus position?
Definition

2 inches above the iliac crests

Term
What is the respiration phase for an AP or PA abdominal radiograph done in the upright position?
Definition
expiration
Term

Which of the following are advantages of using the recumbent position for radiographs of the esophagus?

1.) varices are better filled

2.) easier to swallow barium

3.) more complete contrast filling, especially proximal part

Definition
1 and 3
Term
Which of the following planes is positioned to the center of the grid for the lateral projection of the stomach and duodenum?
Definition
a plane passing midway between the midcoronal plane and the anterior surface of the abdomen
Term

Which of the following are included as components of the alimentary canal?

1.) anus

2.) colon

3.) esophagus

Definition
1, 2, and 3
Term
What is the central-ray angulation for the PA axial projection of the large intestine?
Definition

30 to 40 degrees caudad

Term

Which of the following are included as components of the alimentary canal?

1.) anus

2.) colon

3.) esophagus

Definition
1, 2, and 3
Term

Which of the following examinations requires the use of time markers on the radiographs?

1.) stomach

2.) small intestine

3.) large intestine

Definition
2 only
Term
The most distal portion of the small intestine is the:
Definition
ileum
Term

Which of the following could be considered essential projections for examination of the small intestine?

1.) AP (or PA depending on protocol)

2.) oblique

3.) lateral

Definition
1 only
Term
The majority of AP, PA, and oblique radiographs taken during a barium enema are done on 35X43-cm IRs. Where is the IR centered on sthenic patients for the majority of these projections?
Definition
iliac crests
Term
The large intestine is made up of a series of pouches called the:
Definition
haustra
Term
Which plane is centered to the grid for a lateral projection of the large intestine?
Definition
midcoronal plane
Term
The entire colon is best demonstrated in which projection?
Definition
PA or AP
Term

Which methods can be used to administer barium for a radiographic examination of the small intestine?

1.) by mouth (drinking)

2.) reflux filling via large volume barium enema

3.) enteroclysis

Definition
1, 2, and 3
Term
Which projection of the colon best demonstrates the hepatic flexure of the ascending colon?
Definition
PA oblique, RAO
Term
The pouchlike portion of the large intestine that is situated below the junction of the ileum and colon is the:
Definition
cecum
Term

True/False

The radiologist is the only person allowed to control the flow of barium by opening and closing the flow-lock.

Definition
False
Term

Which projections will clearly demonstrate the right colic flexure?

1.) right lateral

2.) AP oblique, LPO

3.) PA oblique, RAO

Definition
2 and 3
Term
The vermiform appendix of the colon is attached to the:
Definition
Cecum
Term
How far is the enema tip inserted into the rectum for a colon examination?
Definition
no more than 4 inches
Term
The degree of body rotation for the PA oblique projection (RAO or LAO) of the large intestine is:
Definition

35 to 45 degrees

Term
Which projection of the colon best demonstrates the right colic flexure?
Definition
PA oblique, RAO
Term
The contraction waves by which the digestive tube moves its contents toward the rectum are called:
Definition
peristalsis
Term

Which position should the patient be placed in to insert the enema tip for a barium enema?

Definition
Sims
Term
How far above the patient is the enema bag placed during a barium enema?
Definition
18 to 24 inches
Term

True/False

Ideally, the water used to mix barium should be between 85-90 degrees to ensure patient comfort.

Definition
True
Term
At which plane is the central ray positioned for the PA oblique projections (LAO or RAO) of the large intestine?
Definition
a longitudinal plane 1 to 2 inches lateral to the midline of the body on the elevated side
Term
Which projection of the colon best demonstrates the left colic flexure?
Definition
PA oblique, LAO
Term
Where is the IR centered for all decubitus projections of the large intestine?
Definition
iliac crests
Term
The opening between the small intestine and the large intestine is called the:
Definition
ileocecal valve
Term

Which projections taken during a barium enema will demonstrate the rectosigmoid area?

1.) lateral

2.) PA axial

3.) AP axial

Definition
1, 2, and 3
Term
The PA oblique projection of the colon done in the LAO position clearly demonstrates the:
Definition
splenic flexure
Term

Methods of radiographically examining the colon include: 1.) enteroclysis

2.) single contrast

3.) double contrast

Definition
2 and 3
Term
The central-ray angulation for the AP axial projection of the large intestine is:
Definition

30 to 40 degrees cephalad

Term
The small intestine is divided into how many distinct portions?
Definition
3
Term

Preparation of the intestinal tract for examination of the colon includes:

1.) laxatives

2.) dietary restrictions

3.) cleansing enemas

Definition
1, 2, and 3
Term
The first small intestine radiograph is taken how many minutes after the patient drinks barium?
Definition
15 minutes
Term
The degree of body rotation for an AP oblique projection of the large intestine is:
Definition

35 to 45 degrees

Term

The main functions of the large intestine are:

1.) digestion of food

2.) reabsorption of fluids

3.) elimination of waste products

Definition
2 and 3
Term
Where is the IR centered for delayed radiographs of the small intestine after 45 minutes?
Definition
level of the iliac crests
Term
At what level is the center of the IR positioned for a lateral projection of the rectosigmoid area?
Definition
ASIS
Term

The main functions of the small bowel are:

1.) digestion of food

2.) absorption of food

3.) storage of food

Definition
1 and 2
Term
The patient preparation for a small intestine examination is:
Definition
food and fluid withheld after the evening meal and no breakfast
Term
When trying to visualize the urinary system, position the patient in an RPO will result in:
Definition
Seeing the upside kidney parallel to the IR, and the downside ureter free of super imposition from the spine
Term
Where is the IR standard for nearly all abdominal radiographs taken during examination of the urinary system?
Definition
Iliac crests
Term
What type of motion is used to cleanse the skin before venapuncture?
Definition
Circular
Term
The ureteral pelvic junction (or UP junction) describes:
Definition
Where the ureters enter the kidneys
Term
The urinary system includes which of the following?
1.) urethra
2.) two kidneys
3.) suprarenal glands
Definition
1 and 2
Term
Severe reaction to a medication or contrast medium would be
Definition
Anaphylactic reaction
Term
T or F: Just before beginning and IVU exam, it is important to make sure the patient does not use the bathroom to urinate
Definition
False!
Term
Which technique is used to get contrast medium into the urinary bladder for cystogram?
Definition
Retrograde filling technique
Term
Where is the IR centered for an AP axial projection of the urinary bladder (cystogram)?
Definition
2 inches above the upper border of the pubic symphysis
Term
Which of the following is true with regard to the use of injection needle to use for venipuncture?

1.) steel needles may be sterilized and used again
2.) The needles may only be used one time
3.) all needles can be sterilized and used again
Definition
2 only
Term
For which anatomical areas is the retrograde technique used?
Definition
Bladder, low ureters, and urethra
Term
What serves as a reservoir for urine?
Definition
Urinary bladder
Term
When blood or medication injected into a vessel leaks out, it is called:
Definition
Extravasation
Term
Which of the following is true regarding the kidneys?
Definition
Left kidney is longer and narrower than the right
Term
Preparation of the patient for an IVU includes:
Definition
A light evening meal, a non-gas forming laxative, NPO after midnight
Term
The technique of injecting contrast media into a vein and taking radiographs of the kidneys, ureters, and bladder is termed:
Definition
Intravenous urography
Term
What is the central ray angulation for the PA axial urinary bladder?
Definition
10 to 15° cephalad
Term
Where is the compression applied during the IVU
Definition
Distal ends of the ureters
Term
Guidelines from which of the following organizations must be adhered to with regards to venipuncture administration?
Definition
Professional society (ASRT), state agencies, the institution
Term
What is the central-ray angle for the AP Oblique projections of the urinary system?
Definition
0 degrees
Term
Which projection would place the right kidney perpendicular to the IR?
Definition
AP Oblique, RPO
Term
The respiration phase for radiographs made during intravenous urography is
Definition
Suspended expiration
Term
Where does the ureters enter the bladder?
Definition
Posterior wall
Term
How much fluid can the adult bladder hold
Definition
500 mL
Term
Compression should not be used during an IVU if the patient has
Definition
An aneurysm or a colostomy
Term
Functions of the kidney include:
Definition
1.) removing waste products from the blood
2.) Maintaining fluid and electrolyte balance
3.) secreting substances that affect blood pressure
Term
A radiologic technology just may initiate being a puncture in a minister contracts on the order of
Definition
Any physician
Term
What is true regarding non-ionic contrast media?
Definition
cost is higher and less likely to cause a reaction
Term
The common reactions to contrast media include
Definition
Warmth and flushing
Term
A radiographic examination of the urinary bladder is termed:
Definition
cystography
Term
How much will the kidneys drop in the change from supine to the upright position?
Definition
2 inches
Term
The abbreviation for the excretory technique of urography is:
Definition
IVU
Term
IV medications are administered via the:
Definition
Venous system
Term
The vast majority of all reactions to contrast media occur within how many minutes after injection?
Definition
5 minutes
Term
The center of the compression device that is placed over the lower ureters during intravenous urography is positioned:
Definition
At the level of the ASIS
Term
The cup-shaped recesses in the center of each kidney that receive the urine from the collecting ducts are called the:
Definition
Calyces
Term
Which projections are used during a cystogram?
Definition
AP, AP oblique, lateral
Term
How much is the body rotated for the AP oblique projection of the urinary bladder during a cystogram?
Definition
40 to 60°
Term
The radiographic examination of the urethra is called
Definition
Cystourethrography
Term
Significant reactions to contrast media include:
Definition
Nausea, vomiting, edema of the respiratory mucous membrane
Term
What is the average length of the adult ureter?
Definition
10” to 12”
Term
The average length of the male urethra is
Definition
7-8”
Term
The greatest concentration of contrast appears in the kidneys after how many minutes post injection?
Definition
15 to 20
Term
The concentration of iodine in ionic contrast media is
Definition
50% to 70%
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