8. All of the following increase cardiac output EXCEPT
a. Eating
b. Pregnancy
c. Sleep
d. High environmental temperature
e. Exercise
9. What is the Cardiac output of a man with a BP = 120/70, pulse =
70/min, cardiac index = 3.2 litres, and stroke volume of 70 ml?
a. 500 ml/min
b. 1.5 litres/min
c. 3.5 litres / min
d. 5 litres/min
e. 7 litres/min
10. Regarding the circulation
a. Total cross sectional area of vessels is 4500 cm
2
in the
arterioles
b. 50% of the circulating blood volume is in the systemic veins
c. 8% of the circulating blood volume is in the low pressure
pulmonary circulation
d. Relative resistance is highest in the venules
e. 1% of the circulating blood volume is in the capillaries
11. Causes of increased interstitial fluid volume and oedema include all
of the following EXCEPT
a. Increased venous pressure
b. Decreased plasma protein level
c. Inadequate lymph flow
d. Arteriolar constriction
e. Histamine
12. Stimuli which increase gastrin secretion include all of the following
EXCEPT