Deck 2: Cardio Vascular Physiology: Function

Question 1

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

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

Answer 1

C

Question 2

The only vein that carries oxygenated blood is the:

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

Answer 2

A

Question 3

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

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

Answer 3

C

Question 4

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

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

Question 5

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

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

Question 6

Acetylcholine is the chemical neurotransmitter for the ________ nervous system.

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

Question 7

The resistance against which the heart must pump is termed:

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

Question 8

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) stroke volume.
C) input volume.
D) preload volume.

Question 9

The term that is synonymous with ventricular contraction is:

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

Question 10

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

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

Question 11

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

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

Question 12

The only artery that carries unoxygenated blood is the:

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

Question 13

The formula for cardiac output is stroke volume × ________.

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

Question 14

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

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

Question 15

The term that is synonymous with ventricular relaxation is:

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

Question 16

The result of the release of norepinephrine is the:

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

Question 17

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

A) parasympathetic nervous system.
B) sympathetic nervous system.
C) peripheral nervous system.
D) All of the above

Question 18

Blood pressure is affected by peripheral vascular resistance and cardiac:

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

Question 19

The autonomic nervous system is divided into ________ major divisions.

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

Question 20

Norepinephrine is the chemical neurotransmitter for the:

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

Question 21

The effect of alpha stimulation causes:

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

Question 22

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

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

Question 23

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

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

Question 24

The effect of beta₁ stimulation causes:

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

Question 25

The effect of beta₂ stimulation causes bronchial:

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