Simulated CT Exam 1

19 Questions | By Jennlynne07 | Updated: Mar 22, 2022 | Attempts: 4623

Questions

Settings

Create your own Quiz

Registry review for Computed Tomography

Questions and Answers

1.

The normal range of respiration for an adult is:
- A.
  
  5-10 breaths per minute
- B.
  
  12-20 breaths per minute
- C.
  
  20-30 breaths per minute
- D.
  
  35-50 breaths per minute
2.

Which of the following is a parenteral route of medication administration:
- A.
  
  Sublingual
- B.
  
  Intramuscular
- C.
  
  Transdermal
- D.
  
  Oral
3.

A patient in shock may exhibit which of the following:
- A.
  
  Tachycardia
- B.
  
  Rapid, shallow breathing
- C.
  
  Cyanosis
- D.
  
  All of the above
4.

A common site for the intravenous injection of iosinated contrast media is the:
- A.
  
  Cephalic vein
- B.
  
  Antecubital vein
- C.
  
  Basilic vein
- D.
  
  All of the above
5.

Which of the following technical factors exhibits a direct effect on patient dose:
- A.
  
  Matrix size
- B.
  
  Algorithm
- C.
  
  Milliampere-seconds (mAs)
- D.
  
  Window level
6.

Which of the following infection control techniques is required at the site of an intravenous injection of iodinated contrast media:
- A.
  
  Contact isolation
- B.
  
  Surgical asepsis
- C.
  
  Medical asepsis
- D.
  
  Enteric precautions
7.

Prior to an intravenous injection of iodinated contrast materials, the patient should be questioned regarding:1. renal function2. allergic history3. cardiac history
- A.
  
  1 only
- B.
  
  2 only
- C.
  
  3 only
- D.
  
  1,2,3
8.

Used in determining the biologic effect of iodinated contrast media, the term ___________ refers to the number of ions formed when a substance dissociates in solution:
- A.
  
  Solubility
- B.
  
  Osmolality
- C.
  
  Concentration
- D.
  
  Iodination
9.

Which of the following laboratory values can be used to evaluate the renal function of a patient:
- A.
  
  Blood urea nitrogen (BUN)
- B.
  
  Partial thromboplastin time
- C.
  
  Creatinine
- D.
  
  Both a and c
10.

A (n) _____________ infection is one that patients acquire during their stay in a health care institution:
- A.
  
  Blood-borne
- B.
  
  Noscomial
- C.
  
  Iatrogenic
- D.
  
  Staphylococcal
11.

During CT examinations, patients should be shielded above and below because of:
- A.
  
  The rotational nature of the x-ray tube
- B.
  
  Extremely high kilovolt peak (kVp) techniques
- C.
  
  Lack of filtration of the CT beam
- D.
  
  Reduced collimation of the CT beam
12.

Which of the following would be best suited for intravenous injection of contrast material with a power injector:
- A.
  
  A butterfly needle
- B.
  
  A central venous line
- C.
  
  A 23 gauge spinal needle
- D.
  
  An angiocatheter
13.

Thorough explanation of the CT procedure and proper communication with the patient is vital in ensuring that:1. breathing instructions are properly followed2. misregistration does not occur3. patient anxiety is kept to a minimum
- A.
  
  1 and 2 only
- B.
  
  1 and 3 only
- C.
  
  2 and 3 only
- D.
  
  1,2,3
14.

A (n) _______________ contrast material may described as one that does not dissociate into charged particles in solution:
- A.
  
  Neutral
- B.
  
  Non-ionic
- C.
  
  Osmolar
- D.
  
  Ionic
15.

Which of the following is an accurate method of verifying patient identity:
- A.
  
  Calling patients by their full name
- B.
  
  Checking the name listed on the medical record
- C.
  
  Examining the patient's wrist identification band
- D.
  
  All of the above
16.

Advantages of automatic power injectors over manual bolus method of intravenous contrast administration include:1. increased tissue enhancement due to faster injection times2. uniform contrast administration over the entire length of the study3. decreased volume of contrast administered
- A.
  
  1 only
- B.
  
  3 only
- C.
  
  1 and 2 only
- D.
  
  2 and 3 only
17.

The average range for normal adult blood urea nitrogen (BUN) levels is approximately:
- A.
  
  1-4 mg/dL
- B.
  
  5-20 m/dL
- C.
  
  23-30 mg/dL
- D.
  
  45-60 mg/dL
18.

Which of the following terms describes a condition in which cerebral ischemia is caused by systemic hypotension?
- A.
  
  Vasovagal reaction
- B.
  
  Myocardial infarction
- C.
  
  Transient ischemic attack
- D.
  
  Hydrocephalus
19.

Which of the following interactions between x-ray beam and matter results in the largest amount of patient dose?
- A.
  
  Characteristic
- B.
  
  Compton scatter
- C.
  
  Bremsstrahlung
- D.
  
  Photoelectric effect