Question 1: The pulse wave is created by:
A. the electrical singals of the heart
B. The contraction of the arteries
C. The contraction of the left ventricle
D. The contraction of the bronchioles
Question 2: If the arteries are vasodilated, then the pulseamplitude will be:
a. faster
b. slower
c. higher
d. lower
question 3. venous return of the heart occurs due to pressurecreated by:
a.respiratory pump only
b. skeletal muscle pump only
c. contraction of the heart
d. skeletal muscle pump and respiratory pump
question 4. A decrease in blood pressure will cause:
a. an increase in the parasympathetic system
b. vascoconstriction
c. vasodilation
d. decreased heart rate
