Brainscape's Knowledge GenomeTM

Browse over 1 million classes created by top students, professors, publishers, and experts.


See full index

Patient Care (Radiography) > Chapter 23 Test > Flashcards

Chapter 23 Test Flashcards

1
Q

Barium Sulfate:

a.) is filtered by the kidneys
b.) is absorbed by the stomach
c.) coats the gastrointestinal lining
d.) is absorbed by the jejunum

A

c.) coats the gastrointestinal lining

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
2
Q

Contrast media used in diagnostic radiology are considered:

a.) dyes
b.) diagnostic agents
c.) all radiopaque
d.) all radiolucent

A

b.) diagnostic agents

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
3
Q

Barium sulfate forms a suspension when mixed with water and is considered to be radiopaque.

a.) true
b.) false

A

a.) true

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
4
Q

What is the principal route for elimination of most aqueous non-ionic contrast agents?

a.) GI Tract
b.) respiratory system
c.) urinary tract
d.) biliary tract

A

c.) urinary tract

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
5
Q

High osmolality of a contrast medium is related to adverse reactions.

a.) true
b.) false

A

a.) true

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
6
Q

Examples of an non-ionic contrast media are:
1.) sodium meglumine
2.) lopamidol
3.) iohexal

a.) 1 and 2
b.) 1 and 3
c.) 2 and 3
d.) 1, 2 and 3

A

c.) 2 and 3

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
7
Q

After a UGI series or a barium enema, a catheter may be ordered to promote:

a.) absorbtion of barium
b.) elimination of barium
c.) dilution of barium
d.) chemical breakdown of barium

A

b.) elimination of barium

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
8
Q

Most common side effect of the use of barium sulfate contrast media is:

a.) nausea
b.) dyspnea
c.) urticaria
d.) constipation

A

d.) constipation

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
9
Q

Severe facial and laryngeal edema are among the most serious complications resulting from allergic reactions to:
1.) latex
2.) iodinated contrast media
3.) laundry products

a.) 1 only
b.) 2 only
c.) 3 only
d.) 1, 2 and 3

A

d.) 1, 2 and 3

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
10
Q

Positron emission tomography agents are formed in a cyclotron and have a very long half-lives.

a.) true
b.) false

A

b.) false

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
11
Q

Radiopaque contrast media:

a.) are positive contrast agents
b.) appear light on radiographs
c.) are composed of elements with high atomic numbers
d.) all of the above

A

d.) all of the above

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
12
Q

Barium sulfate is soluble in water.

a.) true
b.) false

A

b.) false

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
13
Q

Dietary restrictions and other patient preperations are normally required prior to the radiographic examination of the:
1.) esophagus
2.) bililary tract
3.) skull

a.) 1 only
b.) 1 and 2
c.) 3 only
d.) 1, 2 and 3

A

b.) 1 and 2

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
14
Q

A moderate allergic reaction to contrast media is:

a.) urticaria
b.) metallic taste in the mouth
c.) bronchospasm
d.) cyanosis

A

a.) urticaria

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
15
Q

A patient is scheduled for a small bowel series (SB), intravenous urogram (IVU), and a lumbar spine (LS). The proper sequence of these exams are:

a.) SB, IVU, LS
b.) IVU, LS, SB
c.) SB, LS, IVU
d.) LS, IVU, SB

A

d.) LS, IVU, SB

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
16
Q

Oil based iodine contrast media are used for each of the following except:

a.) dacryocystography
b.) bronchography
c.) lymphography
d.) myelography

A

d.) myelography

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
17
Q

Which of the following is the most common route that gastrointestinal disorders are spread:

a.) contaminated food or water
b.) airborne contamination
c.) vector transmission
d.) direct contact

A

a.) contaminated food or water

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
18
Q

Adding two teaspoons of salt per liter of water used in an enema preperation may prevent:

a.) hypoxia
b.) hyponatremia
c.) hypervolemia
d.) hyperpnea

A

c.) hypervolemia

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
19
Q

Barium sulfate can dry in the colon and cause an obstruction.

a.) true
b.) false

A

a.) true

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
20
Q

Ionic contrast media dissassociate into two molecular particles in blood plasma.

a.) true
b.) false

A

a.) true

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
21
Q

The type and severity of complication assiciated with contrast media administration are related to:
1.) route of administration
2.) amount of contrast used
3.) sensitivity of the patient

a.) 1 only
b.) 2 only
c.) 3 only
d.) 1, 2 and 3

A

d.) 1, 2 and 3

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
22
Q

After oral or rectal barium examination in elderly patients, cathartics may be used to prevent:
a.) excessive dehydration from diarrhea
b.) absorption of barium into the bloodstream from causin septicemia
c.) electroltye imbalance from diahhrea
d.) constipation or rectal impaction

A

d.) constipation or rectal impaction

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
23
Q

Myelography most commonly uses __________ contrast media.

a.) ionic
b.) nonionic
c.) nonionic and ionic
d.) neither ionic or nonionic

A

b.) nonionic

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
24
Q

Allergic reactions may occur using a barium enema procedure because of:
1.) senstitivity to barium
2.) preservatives added to the solution
3.) latex used in retention catheters

a.) 1 and 2
b.) 1 and 3
c.) 2 and 3
d.) 1, 2 and 3

A

c.) 2 and 3

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
25
Q

Which of the following is an effective method for reducing the viscosity of contrast media?

a.) refridgerating prior to administration
b.) shaking vigourously prior to administration
c.) warming prior to administration
d.) storing at room temperature at low humidity

A

c.) warming prior to administration

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
26
Q

What type of contrast agents do not disassociate into charged particles when placed in a solution is called:

a.) anaphalactic agents
b.) miscible agents
c.) non-ionic agents
d.) ionic agents

A

c.) non-ionic agents

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
27
Q

Radiopharmaceuticals are administered in which of the following ways?

a.) gas
b.) liquid
c.) solid
d.) a and c
e.) all of the above

A

e.) all of the above

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
28
Q

Injection of an ionic contrast medium may lead to artierial expansion.
a.) true
b.) false

A

a.) true

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
29
Q

The benzene ring is associated with the:

a.) anion
b.) cation
c.) positive charge
d.) none of the above

A

a.) anion

30
Q

A patient is scheduled for UGI and Small bowel series. Which type of contrast media has contradictions when a patient has a perforated colon?

a.) water soluble
b.) barium sulfate
c.) gastrographin
d.) dizoate meglumine

A

b.) barium sulfate

31
Q

Intrathecal contrast media may be administered in which position?

a.) lithotomy
b.) fowlers
c.) supine
d.) seated and bent forward

A

d.) seated and bent forward

32
Q

What is the principal disadvantage for the use of non-ionic contrast agents?

a.) lower miscibility
b.) high cost
c.) lower toxicity
d.) high iodine concentration

A

b.) high cost

33
Q

Patient preperation for an upper gastrointestinal (UGI) series should include:
1.) no smoking
2.) no chewing gum
3.) NPO after midnight prior to examination

a.) 1 and 2
b.) 1 and 3
c.) 2 and 3
d.) 1, 2 and 3

A

d.) 1, 2 and 3

34
Q

An air embolus can form as a complication of negative contrast media administration.

a.) true
b.) false

A

a.) true

35
Q

Elements with a high atomic number absorb x rays faster than elements with a low atomic number.

a.) true
b.) false

A

a.) true

36
Q

Oil based iodine contrast media are made from:

a.) fatty acids
b.) carbohydrates
c.) amino acids
d.) none of the above

A

a.) fatty acids

37
Q

If a patient is scheduled for a BE, OCG and UGI. What order should these procedures be done in?

a.) be, ocg, ugi
b.) ugi, be, ocg
c.) ocg, ugi, be
d.) ocg, be, ugi

A

d.) ocg, be, ugi

38
Q

A patient develops hives several minutes after a radiographic contrast media is injected. Which drug may be given to counteract this reaction?

a.) antihistamine
b.) analgesic
c.) anti inflammatory
d.) antibiotic

A

a.) antihistamine

39
Q

When an intravenous needle infiltrates, fluid escapes into surrounding tissues is known as:

a.) emasculation
b.) extravasation
c.) immobilization
d.) exacerbation

A

b.) extravasation

40
Q

For a barium examination the enema tip should be inserted ____________ inches into the rectum.

a.) 3 to 4 inches
b.) 1 to 2 inches
c.) 5 to 6 inches
d.) 7 to 8 inches

A

a.) 3 to 4 inches

41
Q

The amount of time contrast remains in the body is called:

a.) pesistance
b.) opacity
c.) miscobility
d.) toxicity

A

a.) pesistance

42
Q

For proper renal function, blood urea nitrogen (BUN) levels are often checked. What is the normal BUN range?

a.) 0.6 to 1.5 mg/100ml
b.) 2.5 to 7 mg/100ml
c.) 8 to 23 mg/100ml
d.) 25 to 50 mg/100ml

A

c.) 8 to 23 mg/100ml

43
Q

Serious complication that is associated with intravenous administration of a water based iodinated contrast is:
1.) hives
2.) itching
3.) pulmonary emboli

a.) 1 only
b.) 2 only
c.) 2 and 3
d.) 3

A

d.) 3

44
Q

Osmalility is a measure of:

a.) the number of iodine atoms per molecule
b.) particle density
c.) the total number of particles in solution
d.) none of the above

A

c.) the total number of particles in solution

45
Q

Xray attenuation properties of contrast media are primarily controlled by its:

a.) effective atomic number
b.) average valence state
c.) solution concentration
d.) solution viscosity

A

a.) effective atomic number

46
Q

What type of contrast medium used with infants who have swallowing disorders and adults who have suspected bronchophageal fistulae?

a.) water based iodine
b.) water based agent
c.) suspension agent
d.) osmalility agent

A

b.) water based agent

47
Q

Radiolucent contrast media are also called positive contrast agents.

a.) true
b.) false

A

b.) false

48
Q

Radiolucent contrast media:

a.) are positive contrast agents
b.) appear dark on radiographs
c.) are composed of elements with high atomic numbers
d.) none of the above

A

b.) appear dark on radiographs

49
Q

What type of contrast media is used on patients with suspected perforated bowel?

a.) high density barium sulfate
b.) low density barium sulfate
c.) water based iodine preperation
d.) oil based preperation

A

c.) water based iodine perperation

50
Q

Reactions to contrast media will most likely occur following intravenous administration.

a.) true
b.) false

A

a.) true

51
Q

Because of residual contrast media retention, which of the following studies should be done last?

a.) ultrasound (sonography)
b.) intravenous urography
c.) oral cholestrygram
d.) barium enema

A

d.) barium enema

52
Q

Most ionic, iodinated contrast media are:

a.) monomers
b.) dimers
c.) trimers
d.) none of the above

A

a.) monomers

53
Q

Barium sulfate is contradicted if the patient is suspected of having a gastrointestinal tract perforation.

a.) true
b.) false

A

a.) true

54
Q

Before a barium study of the large intestine is performed it is important that the patient be preped. This will involve which of the following:
1.) cathartics
2.) colonic lavage
3.) dietary restrictions
4.) gastric lavage

a.) 1 only
b.) 2 and 3
c.) 1, 2 and 3
d.) 4 only

A

c.) 1, 2 and 3

55
Q

Nonionic contrast media are associated with a:

a.) high osmolality
b.) low osmolality
c.) lower cost
d.) none of the above

A

b.) low osmolality

56
Q

To ensure proper preparation of stomach prior to a gastrointestinal series, the patient is instructed to avoid foods and liquids for about _________ before the procedures.

a.) 30 minutes
b.) 8 hours
c.) 1 hour
d.) 24 hours

A

b.) 8 hours

57
Q

Barium sulfate suspension should not be used for a colon examination in a patient with suspected:

a.) rectal bleeding
b.) intestinal tract perforation
c.) vomiting
d.) polyps

A

b.) intestinal tract perforation

58
Q

To insure maximum concentration of oral cholestyographic contrast media after ingestion, it is important for a patient to avoid:
1.) laxatives
2.) liquid foods
3.) solid foods

a.) 1 and 2
b.) 1 and 3
c.) 2 and 3
d.) 1, 2 and 3

A

d.) 1, 2 and 3

59
Q

What are the first signs and symptoms of anaphylactic reaction?
1.) sneezing
2.) apprehension
3.) sweats

a.) 1 only
b.) 2 and 3
c.) 3 only
d.) 1, 2 and 3

A

d.) 1, 2 and 3

60
Q

Radiographic contrast medium that absorbs more radiation that the organ in which it is placed is called:

a.) negative agent
b.) suspension agent
c.) osmolality agent
d.) positive agent

A

c.) osmalilty agent

61
Q

The tendency of barium sulfate to clump and come out of suspension is called:

a.) desuspension
b.) antisolution
c.) flocculation
d.) none of the above

A

c.) flocculation

62
Q

95% of all contrast media reactions occur within the first __________ minutes.

a.) 20
b.) 15
c.) 10
d.) 5

A

d.) 5

63
Q

Glass syringes should not be used to administer oil based contrast media because toxic substances from the glass can dissolve in the media.

a.) true
b.) false

A

b.) false

64
Q

What are advantages for using water soluble contrast media?
1.) cost effective
2.) low toxicity
3.) low osmolality

a.) 1 and 2
b.) 2 and 3
c.) 1 and 3
d.) 1, 2 and 3

A

b.) 2 and 3

65
Q

Which contrast media is classified as colloidal suspension?
1.) barium sulfate
2.) iohexal
3.) iopamidol

a.) 1 only
b.) 2 only
c.) 3 only
d.) 1, 2 and 3

A

a.) 1 only

66
Q

Injection of an ionic contrast media may lead to hypervolemia.

a.) true
b.) false

A

b.) false

67
Q

The amount of time contrast remains in the body is called:

a.) persistance
b.) opacity
c.) miscibillity
d.) toxicity

A

a.) persistance

68
Q

Which of the following is classified as a moderate reaction of an iodinated contrast media?
1.) difficulty breathing
2.) reddening in face
3.) low osmolality

a.) 1 only
b.) 2 and 3
c.) 3 only
d.) 1, 2 and 3

A

a.) 1 only

69
Q

Reactions to contrast media will most likely occur following what type of administration?

a.) intrathecal
b.) rectal
c.) intravenous
d.) intredermal

A

c.) intravenous

70
Q

Each of the following is an example of a negative contrast media except:

a.) air
b.) soda water
c.) barium sulfate
d.) gas producing crystals

A

c.) barium sulfate

Patient Care (Radiography) (34 decks)

Brainscape helps you reach your goals faster, through stronger study habits.
© 2024 Bold Learning Solutions. Terms and Conditions