Which of the following is most descriptive of the capillary?
a. Large diameter, low pressure c. Large diameter, high pressure
b. Small diameter, high pressure d. Small diameter, low pressure
D
The diameter of a capillary is less than that of an arteriole, but the pressure is relatively low as a result of the large cross-sectional area of the branching capillary bed.
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A patient with chronic cardiac failure in the CCU is on an ACE inhibitor but still has significant pitting edema in his extremities. Which medication, in addition to the ACE inhibitor, is the physician likely to prescribe to this patient?
A) Digoxin B) A loop diuretic C) B-blocker D) Calcium channel blocker
An IV is infusing at 16 gtt/min. The drop factor is 15 gtt/mL. In 4 hours, the client will have received _______________
a. 68 mL b. 170 mL c. 500 mL d. 256 mL
A nurse counsels a patient who is to begin taking gamma-hydroxybutyrate [Xyrem] for narcolepsy. It is important for the nurse to warn the patient that respiratory depression is a poten-tial risk with concomitant use of:
a. alcohol. b. beta blockers. c. caffeine. d. nicotine.
A patient is receiving tobramycin three times daily. A tobramycin peak level is 4.5 and the trough is 1.2 . What will the nurse do?
a. Give the next dose as ordered. b. Hold the next dose and notify the provid-er. c. Monitor the patient for signs of nephro-toxicity. d. Tell the patient to report tinnitus.