Week 2 - Heart

Question 1

Which of the following conditions would lead to an increase in the afterload for the ventricles thus lowering stroke volume and cardiac output?

a. hypertension

b. increased venous return Incorrect 	
c. hypotension 
d. positive inotropic agents Incorrect 	
e. decreased venous return Incorrect

Answer 1

a. hypertension

Question 2

The volume of blood ejected from the left ventricle into the aorta each minute is called the

    a. pulse pressure. 
b. heart rate.
c. cardiac output.
d. cardiac input.
e. stroke volume.

Answer 2

c. cardiac output

Question 3

Which of the following selections lists conditions that would lead to increased stroke volume?

    a. decreased preload, decreased afterload,  decreased contractility
b. increased preload, increased afterload, increased contractility
c. decreased preload, increased afterload, increased contractility
d. increased preload, increased afterload, decreased contractility 
e. increased preload, decreased afterload, increased contractility

Answer 3

e. increased preload, decreased afterload, increased contractility