When does contrast enhancement typically reach a near-peak in the aorta?

Which of the following factors affect the degree of contrast enhancement in human tissue?     1. pharmacokinetic factors     2. patient weight     3. equipment

Which of the following is the only reason an IV should be flushed before a CT scan is performed?

Which of the following conditions is a potentially serious decline in renal function following the IV administration of contast media?

Which of the following injection techniques exist for individualizing the scan delay when injecting contrast media?     1. bolus triggering     2. test bolus     3. drip infusion

During a CT scan of the chest and abdomen, the highly radiosensitive breast tissue can be protected with minimal artifacts with the use of a specialized shield composed of which of the following materials?

Which of the following terms refers to the number of particles in solution as compared with blood?

Which of the following would be best suited for IV injection of contrast media with a power injector?

Which type(s) of muscle is/are involuntary?

Name the cavity labeled 17.