Simulated CT Exam 1
Registry review for Computed Tomography
- 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
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