Medical Quiz

Cardiovascular System Quiz


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Which group of blood cells play a role in the body’s defense mechanism?

A. RBC

B. WBC

C. Platelet


In what type of circulation does the blood flow between the heart and lungs?

A. Pulmonary

B. Systemic

C. Coronary

D. Atrioventricular


Part of the serous pericardium, lines thoracic cavity, deep side of the fibrous pericardium.

A. Fibrous pericardium

B. Parietal serous pericardium

C. Visceral serous pericardium

D. Pericardial fluid


When blood leaves the left atrium, where does it go next?

A. Aorta

B. Right atrium

C. Pulmonary artery

D. Left ventricle


Identify #2 in the image:

A. Right Atrium

B. Left Atrium

C. Right Ventricle

D. Left Ventricle


Oxygenated blood returns to the heart by the

A. Aorta

B. Pulmonary vein

C. Pulmonary artery

D. Vena cava


Cardiovascular circuit that Carrie’s blood to the lungs for gas exchange and returns it to the heart, it is also the main function of the right side of the heart

A. Pulmonary circuit

B. Systemic circuit


Part of the serous pericardium, covers the organ, also referred as the “epicardium”

A. Fibrous pericardium

B. parietal serous pericardium

C. Visceral serous pericardium

D. Pericardial fluid


Red blood cells are known as:

A. Leukocytes

B. Erythrocytes


Vasodilation can be defined as:

A. A process in which blood vessels constrict causing a decrease in blood flow

B. A process in which blood vessels increase their diameter causing an increase in blood flow

C. A process in which blood vessels constrict causing an increase in blood flow

D. A process in which blood vessels increase their diameter causing a decrease in blood flow


These are between the atria and ventricles that allow blood to flow through the chambers

A. Pulmonary Circulation

B. Valves

C. Atria

D. Ventricles

E. Septum


Which one of these molecules has the highest Affinity

A. HB A

B. HB F

C. Myoglobin


How many valves does the human heart contain?

A. 4

B. 3

C. 2

D. 1


Atherosclerosis refers to the buildup of fats, cholesterol and other substances in and on your artery walls.

A. TRUE

B. FALSE


What is the main organ of the circulatory system?

A. small intestine

B. bone

C. lungs

D. heart


Which of the following blood vessels has a valve along its length?

A. capillary

B. artery

C. vein


which statement applies to living organisms living at high altitudes

A. their HB has Lower affinity , with the saturation curve shifted to the left

B. HB having higher affinity and the curve shifted to the right

C. HB having higher affinity and the curve shifted to the left

D. HB having lower affinity and the graph shifted to the right


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


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


Fluid that lies between parietal and visceral serous pericardium, it is thin and slippery that allows heart to move without friction.

A. Fibrous pericardium

B. Parietal serous pericardium

C. Visceral serous pericardium

D. Pericardial fluid


Define Veins:

A. carries blood away from the heart

B. carries nutrients away from the heart

C. carries blood towards the heart

D. carries blood towards the lungs


Which letter labels the Right Ventricle?

A. A

B. B

C. C

D. D


what perfectly describes an Embolus

A. Blood clot forming in an artery

B. an unattached mass that travels through the bloodstream and is capable of creating blockages.

C. Enlargement of an artery

D. Rupture of an artery


Blockage of the coronary arteries is called:

A. Coronary heart disease

B. Infection

C. Heart attack

D. Systole


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




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