CV - Lange Ch.8 Questions

Question 1

Which of the following will decrease the mean circulatory filling pressure?

a. increase in circulating blood volume
b. decrease arteriolar tone
c. increase venous tone

Answer 1

None.

Lolz what is this book…

Question 2

What determines CVP?

Answer 2

Question 3

According to the Starling law, cardiac output always decreases when CVP decreases.
True or False?

Answer 3

False.

Question 4

In a steady state, venous return will be greater than CO when…

a. peripheral venous pressure is higher than normal
b. blood volume is higher than normal
c. cardiac sympathetic nerve activity is lower than normal

Answer 4

lolz it did say steady state.

Question 5

What approaches might a physician logically pursue in an attempt to lower a patient’s cardiac preload?

Answer 5

Vasodilators, diuretics, fluid restriction…yep.

Question 6

In a severely dehydrated patient, you might expect to find…

a. a depressed cardiac function curve
b. an increased mean circulatory filling pressure
c. an increased CVP
d. distended jugular veins
e. decreased CO

Answer 6

e.

Question 7

If you gave a blood transfusion to a patient who had recently experienced a severe hemorrhage, you would expect…

a. to expand arterial volume
b. to expand venous volume
c. to decrease CVP
d. to decrease the mean circulatory filling pressure
e. to reduce CO

Answer 7

b.

Question 8

Which of the following would directly (by themselves in the absence of any compensatory responses) tend to decrease CVP (central filling)?

a. increased sympathetic nerve activity to only the heart
b. increase parasympathetic nerve activity to only the heart
c. increase blood volume
d. decrease total peripheral resistance
e. immersion in water up to the waist

Answer 8

d.