Computed Tomography
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- 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.The preparation for a contrast-enhanced CT exam of a patient with prior allergic reaction to iodinated contrast media may include:
- A.
Premedication with steroids and antihistamines
- B.
Administration of a negative contrast agent
- C.
Increase in fluids for 24 hours before the examination
- D.
Refraining from urination for 2 hours before the examination
- 4.A patient in shock may exhibit which of the following symptoms:
- A.
Tachycardia - rapid heart rate
- B.
Rapid, shallow breathing
- C.
Cyanosis- discolored skin {bluish}
- D.
All of the above
- 5.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
- 6.A common site for the intravenous injection of iodinated contrast media is the:
- A.
Cephalic vein
- B.
Antecubital vein
- C.
Basilic vein
- D.
All the above
- 7.Which of the following technical factors exhibits a direct effect on patient dose?
- A.
Matrix size
- B.
Algorithm
- C.
Millliampre-second {MAS}
- D.
Window level
- 8.Prior to an intravenous injection of iodinated contrast material, the patient should be questioned regarding:1. Renal Function- One kidney dose is cut2. Allergic History- Premedicated3. Cardiac History- Heart disease
- A.
1 only
- B.
2 only
- C.
3 only
- D.
1,2, and 3
- 9.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
- 10.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 {clotting factor}
- C.
Creatinine
- D.
Both A and C
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