Medical Quiz

Cardiovascular System Quiz


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Blood flows into the heart at the top into the

A. Atrium

B. Ventricle


The ventricles pump the blood out of the heart

A. TRUE

B. FALSE


Abnormally high blood pressure:

A. Hypertension

B. Hypotension


Pulmonary Artery
A. carries oxygenated blood to atrium
B. carries deoxygenated blood to lungs
C. carries oxygenated blood to lungs
D. none of the above


Which of the following is not a function of the cardiovascular system?

A. Movement

B. Fighting disease

C. Maintaining hydration

D. All of the above


The oxygen-carrying protein in blood

A. Platelets

B. Blood

C. Plasma

D. Hemoglobin

E. White Blood Cells


__________carry blood away from the heart
A. bronchioles
B. arteries
C. veins
D. capillaries


What is the role of veins in the cardiovascular system?

A. Carry blood away from the heart

B. Carry blood back to the heart

C. Carry blood to the lungs

D. Allows the exchanges of gases, nutrients and wastes between blood and the tissues


Which is the function of red blood cells?

A. Fight pathogens

B. Blood clotting

C. Transport nuti

D. Transport oxygen


What is the main organ of the circulatory system?

A. small intestine

B. bone

C. lungs

D. heart


which vessel has the highest resistance

A. Vena cava

B. Pulmonary vein

C. Pulmonary artery

D. Arterioles


which statement about BOHR effect is true

A. Explains the higher release of oxygen at rest

B. Explains the higher release of oxygen at exercise

C. Explains the higher release of oxygen in the presence of low concentrations of CO2


During cold weather and as part of the body’s mechanism to conserve heat, which of the following happens to the blood vessel?

A. dilate

B. constrict


Most of the carbon dioxide returns back into the blood in the form of

A. CarbaminoHB

B. Hydrogen Carbonate

C. Dissolved in plasma

D. CarboxyHB


Which of these items fights disease and infection?

A. Erythrocytes

B. Leukocytes

C. Thrombocytes

D. Platelets


Which is NOT a function of the circulatory system?

a. deliver O2 and nutrients to cells
b. remove CO2 and wastes from cells
c. break down carbohydrates into glucose
d. transport other materials through body


Arteries, veins, and capillaries are three types of __________

A. heart valves

B. blood vessels

C. cells

D. veins


Thick partition where heart lies in between each lungs.

A. Apex

B. Base

C. Mediastinum

D. Cardiomyocytes


An unborn child of Rh+ mother and Rh- father is exposed to risks involving Rh antigen.

A. Yes

B. No


Thromboplastin catalyzes the conversion of

A. Fibrin to fibrinogen

B. Prothrombin to thrombin

C. Thrombin to fibrinogen

D. Fibrinogen to fibrin


Which of the following is a Blood vessel?

A. Ventricles

B. Heart

C. Arteries

D. Septum


______carry blood back to the heart
A. arteries
B. capillaries
C. veins
D. arterioles


During a heartbeat, what do the ventricles do while the atria relax?

A. Contract

B. Relax

C. Vibrate


Study of the heart and treatment of its disorders

A. Circulatory system

B. Cardiology

C. Cardiovascular system

D. Physiology


Blood clot (thrombus) that block coronary arteries and reduce block flow may result to ischemic heart attack.

A. TRUE

B. FALSE




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