Mosby CT Practice Exam 2 Questions

Mosby CT Practice Exam #2 Questions with Complete Solutions (Latest 2025) as related to the cardiac cycle, the term _____ refers to the relaxation of the heart muscle.

• diastole
• equilibrium
• systole
• a-fib - Correct Answers ✅a. diastole

which of the following may be considered one of the high osmolar contrast media (HOCM)?

• iothalamate meglumin
• diatrizoate sodium
• iohexol - Correct Answers ✅1 and 2

which of the following medications may be administered to a patient who is having a severe anaphylactoid reaction to iodinated contrast material?

• epinephrine
• atropine
• diphenhydramine - Correct Answers ✅1 and 3

the escape of contrast material from a needle or blood vessel

into subcutaneous tissue is called:

• infusion
• extraversion 1 / 4

Mosby CT Practice Exam #2 Questions with Complete Solutions (Latest 2025)

• influxation
• extravasation - Correct Answers ✅d. extravasation

thorough explanation of the CT procedure and proper

communication with the patient are vital in ensuring that:

• breathing instructions are properly followed
• motion artifact does not occur
• patient anxiety is kept at a minimum - Correct Answers

✅1, 2, and 3

risk factors for contrast induced nephrotoxicity (CIN) include:

• pheochromocytoma
• allergy to shellfish
• dehydration - Correct Answers ✅3 only

normal ranges for oxygen saturation is:

• 20-25%
• 50-60%
• 80-85%
• 95-100% - Correct Answers ✅d. 95-100%

which of the following laboratory measurements can be used to evaluate the renal function of a patient? 2 / 4

Mosby CT Practice Exam #2 Questions with Complete Solutions (Latest 2025)

• blood urea nitrogen (BUN)
• partial thromboplastin time (PTT)
• creatinine - Correct Answers ✅1 and 3

which of the following would be best suited for intravenous injection of contrast material with a power injector?

• butterfly needle
• central venous line
• 23 gauge spinal needle
• angiocatheter - Correct Answers ✅d. angiocatheter

before the intravenous injection of iodinated contrast

material, patients should be questioned regarding their:

• renal function
• allergic history
• cardiac history - Correct Answers ✅1, 2, and 3

a(n) _____ infection is one that a patient acquires during a stay in a health care institution.

• blood borne
• nosocomial
• iatrogenic
• staphylococcal - Correct Answers ✅b. nosocomial 3 / 4

Mosby CT Practice Exam #2 Questions with Complete Solutions (Latest 2025) which of the following sets of values would be considered normal levels for creatinine and BUN, respectively?

• 3.1 mg/dL; 1.2 mg/dL
• 1.2 mg/dL; 14 mg/dL
• 0.7 mg/dL; 39 mg/dL
• 5.2 mg/dL; 12 mg/dL - Correct Answers ✅b. 1.2 mg/dL;

14 mg/dL which of the following sizes of butterfly needles allows for the most rapid administration of iodinated intravenous contrast media?

• 19 gauge
• 21 gauge
• 23 gauge
• 25 gauge - Correct Answers ✅a. 19 gauge

the choice between ionic and nonionic contrast media should

be based on:

• the allergic history of patient
• the cost of the contrast material
• the age and physical condition of the patient - Correct

Answers ✅1 and 3

• / 4