Deck 2: Cardiovascular Physiology: Function

Question 1

Blood pressure is affected by peripheral vascular resistance and cardiac:

A) input.
B) output.
C) preload.
D) stimulation.

Answer 1

B

Question 2

The only vein that carries oxygenated blood is the:

A) lateral marginal vein.
B) pulmonary vein.
C) inferior vena cava.
D) great cardiac vein.

Answer 2

B

Question 3

The term that is synonymous with ventricular relaxation is:

A) diastole.
B) systole.
C) stroke volume.
D) afterload.

Answer 3

A

Question 4

The resistance against which the heart must pump is termed:

A) preload.
B) afterload.
C) middleload.
D) heartload.

Question 5

The term that defines the volume of blood pumped out of one ventricle of the heart in a single beat or contraction is:

A) cardiac volume.
B) input volume.
C) preload volume.
D) stroke volume.

Question 6

The formula for cardiac output is stroke volume × ________.

A) respiratory rate
B) blood pressure
C) heart rate
D) blood volume

Question 7

The valve between the right atrium and the right ventricle is the:

A) pulmonary semilunar valve.
B) mitral semilunar valve.
C) bicuspid semilunar valve.
D) tricuspid semilunar valve.

Question 8

The valve located between the left atrium and the left ventricle is the:

A) aortic valve.
B) tricuspid valve.
C) mitral valve.
D) pulmonic valve.

Question 9

The only artery that carries unoxygenated blood is the:

A) pulmonary artery.
B) aorta.
C) brachial artery.
D) left coronary artery.

Question 10

When acetylcholine is released, it causes the heart rate to:

A) slow and atrioventricular conduction rates to slow.
B) increase and atrioventricular conduction rates to slow.
C) slow and atrioventricular conduction rates to increase.
D) increase and atrioventricular conduction rates to increase.

Question 11

The valve between the right ventricle and the pulmonary arteries is termed the:

A) pulmonic semilunar valve.
B) aortic semilunar valve.
C) mitral semilunar valve.
D) bicuspid semilunar valve.

Question 12

The autonomic nervous system is divided into ________ major divisions.

A) 2
B) 4
C) 6
D) 8

Question 13

The system that is responsible for regulating the calmer functions of our existence is the:

A) parasympathetic nervous system.
B) peripheral nervous system.
C) sympathetic nervous system.
D) All of the above
E) None of the above

Question 14

A concept known as Starling's law of the heart is a result of the ________ of the ventricular myocardial fibers.

A) decrease
B) shrinking
C) stretching
D) stimulation

Question 15

Acetylcholine is the chemical neurotransmitter for the ________ nervous system.

A) parasympathetic
B) sympathetic
C) peripheral
D) None of the above

Question 16

The system that is responsible for the preparation of the body for physical activity is the:

A) central nervous system.
B) peripheral nervous system.
C) sympathetic nervous system.
D) parasympathetic nervous system.

Question 17

Norepinephrine is the chemical neurotransmitter for the:

A) parasympathetic nervous system.
B) sympathetic nervous system.
C) peripheral nervous system.
D) cardiac nervous system.

Question 18

The amount of opposition to blood flow offered by the arterioles is known as:

A) peripheral vascular resistance.
B) blood pressure.
C) cardiac output.
D) preload.

Question 19

The term that is synonymous with ventricular contraction is:

A) diastole.
B) systole.
C) preload.
D) heart rate.

Question 20

The result of the release of norepinephrine is the:

A) increase in heart rate and vasodilation.
B) decrease in heart rate and vasoconstriction.
C) increase in heart rate and vasoconstriction.
D) decrease in heart rate and vasodilation.

Question 21

The ________ is directly affected by the exact volume of blood that returns to the right atrium.

A) afterload
B) middleload
C) preload
D) postload

Question 22

The effect of beta₁ stimulation causes:

A) decreased heart rate.
B) increased heart rate.
C) decreased contractility.
D) vasodilation.

Question 23

The effect of beta₂ stimulation causes bronchial:

A) constriction.
B) dilation.
C) spasms.
D) secretions.

Question 24

All of the following are signs of inadequate cardiac output EXCEPT:

A) hypertension.
B) shortness of breath.
C) dizziness.
D) low blood pressure.

Question 25

The effect of alpha stimulation causes:

A) decreased blood pressure.
B) decreased heart rate.
C) increased bronchial dilation.
D) increased blood pressure.