33. In a blood pressure measurement of 110/70, the number 70 is the ________. a. systolic pressure b. diastolic pressure c. pulse pressure d. mean arterial pressure

_________________causes an increase in blood pressure.   A. Increased Blood Volume B. Arterial Vasodilation C. Blood Volume Depletion D. Vagal Stimulation of the heart

What is the cardiac output of a heart when the heartbeat rate is 60 beat.min-1, the diastolic pressure in the aorta is 80 mm Hg, and the stroke volume is 80 mL.beat-1?   A. 4,800 mm Hg.min-1   B. 6,400 mL.mm Hg-1   C. 4,800 mL.min-1   D. 1.33 mL.beat-1   E. 0.75 mL.min-1

72. The nurse notices that the client has a hematocrit of 70 percent. This level of hematocrit will most likely affect the vital signs in which of the following ways? A. The blood pressure will be elevated. B. The pulse will be low. C. Temperature will be elevated. D. Blood pressure will be low.

14. The injection of ______ could possibly save a baby’s life stricken with  Erythroblastosis fetalis. a. renin b. erythropoietin c. aldosterone d. angiotensin e. Histamine

Answer

Anytime there is a sustained change in blood pressure (longer than 2-5 minutes) ______ is responsible for sensing this change and restoring normal blood pressure. a. Carotid sinus baroreceptors b. Both the aortic arch and carotid sinus baroreceptors c. Renal baroreceptors d. Aortic arch baroreceptors

The heart works like an efficient pump.         A. True   B. False

a calcium channel blocker or an antagonist drug will produce a. vasoconstriction b. increase in blood pressure c. increase in total peripheral resistance d. reduction in cardiac muscle contractility

40. The period of ejection:   A. begins with closure of the AV-valves and ends with opening of the AV-valves B. begins with opening of the aortic valve and ends with closure of the aortic valve C. begins with the P-wave and ends with the QRS-complex D. begins with the QRS-complex and ends with the T-wave