Medical Quiz

Cardiovascular Physiology - Function Quiz


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The term that is synonymous with ventricular relaxation is:

A. Afterload

B. Diastole

C. Stroke Volume

D. Systole


The only artery that carries unoxygenated blood is the:

A. Left Coronary Artery

B. Brachial Artery

C. Pulmonary Artery

D. Aorta


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

A. Pulmonic Semilunar Valve

B. Mitral Semilunar Valve

C. Aortic Semilunar Valve

D. Bicuspid Semilunar Valve


The effect of beta1 stimulation causes:

A. Decreased contractility

B. Vasodilation

C. Decreased heart rate

D. Increased heart rate


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

A. Preload Volume

B. Cardiact Volume

C. Input volume

D. Stroke Volume


The effect of alpha stimulation causes:

A. Increased Bronchial Dilation

B. Decreased Heart Rate

C. Increased Blood Pressure

D. Decreased Blood Pressure


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

A. Pulmonic Valve

B. Aortic Valve

C. Mitral Valve

D. Tricuspid Valve


The result of the release of norepinephrine is the:

A. Decrease in heart rate and vasodilation

B. Increase in heart rate and vasoconstriction

C. Increase in heart rate and vasodilation

D. Decrease in heart rate and vasoconstriction


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

A. Low Blood Pressure

B. Dizziness

C. Hypertension

D. Shortness of Breath


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

A. Increase and atrioventricular conduction rates too slow

B. Increase and atrioventricular conduction rates to increase

C. Slow and atrioventricular conduction rates to increase

D. Slow and atrioventricular conduction rates too slow


Blood pressure is affected by peripheral vascular resistance and cardiac:

A. Input

B. Preload

C. Stimulation

D. Output


The term that is synonymous with ventricular contraction is:

A. Systole

B. Heart rate

C. Diastole

D. Preload


Norepinephrine is the chemical neurotransmitter for the:

A. Parasympathetic Nervous System

B. Peripheral Semilunar Valve

C. Sympathetic Nervous System

D. Cardiac Nervous System


Acetylcholine is the chemical neurotransmitter for the ________ nervous system.

A. Peripheral

B. Parasympathetic

C. Sympathetic

D. None of the Above


The resistance against which the heart must pump is termed:

A. Preload

B. Heartload

C. Afterload

D. Middleload


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

A. Tricuspid Semilunar Valve

B. Pulmonary Semilunar Valve

C. Bicuspid Semilunar Valve

D. Mitral Semilunar Valve


The only vein that carries oxygenated blood is the:

A. Lateral Marginal Vein

B. Inferior Vena Cava

C. Great Cardiac Vein

D. Pulmonary Vein


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

A. Sympathetic Nervous System

B. Peripheral Nervous system

C. Parasympathetic Nervous System

D. All of the above


The autonomic nervous system is divided into ________ major divisions.

A. 6

B. 4

C. 8

D. 2


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. Parasympathetic Nervous System

D. Sympathetic Nervous System


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

A. Shrinking

B. Stimulation

C. Stretching

D. Decrease


The formula for cardiac output is stroke volume X ________.

A. Respiratory Rate

B. Blood Volume

C. Blood Pressure

D. Heart Rate


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

A. Postload

B. Preload

C. Afterload

D. Middleload


The effect of beta2 stimulation caused bronchial:

A. Spasms

B. Dilation

C. Constriction

D. Secretions


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

A. Cardiac Output

B. Preload

C. Blood Pressure

D. Peripheral Vascular Resistance




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