The maximum blood pressure is?

a. diastolic blood pressure when atria contract and ventricles relax

b. systolic blood pressure when atria contract and ventricles relax

c. systolic blood pressure when atria relax and ventricles contract

d. diastolic blood pressure when atria relax and ventricles contract

2.) All the following are true regarding the nervous control of the heart beat except..

a. AV node in the right atrium will stimulate both ventricles to contract

b. SA node, also called the pace maker, sets the basic rhythmical beat of the heart

c. AV node located in the right atrium is the origin of the initial heart impulse

d. SA node initiates the contraction of both atria

3. Blood is prevented from 'pooling' in the legs by

a. a system of valves in veins and the contraction of skeletal muscles

b. a system of valves in arteries and the contraction of smooth muscles

c. the contraction of the heart and function of the AV valves

d. the contraction of arterial wall elastic tissue and a system of valves

4. A blood pressure reading of 140/90 in a person with normal blood pressure indicates a person

a. having an afternoon nap

b. engaging in vigorous exercise

c. eating a big meal loaded with protein

d. sitting on a park bench watching the ducks swim