Medical Quiz

Heart Structure and Double Circulation Quiz


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Select the organism with the heart as shown in the diagram.

A. Insect

B. Fish

C. Frog

D. Human


When the ventricles contract, the bicuspid (mitral) valve prevents blood from flowing from the ________.

A. right ventricle to right atrium

B. left ventricle to left atrium

C. left atrium to the right atrium

D. right atrium to the left atrium


What carries the oxygenated blood from the lungs to the left atrium of the heart?

A. vena cava 

B. aorta

C. pulmonary vein

D. pulmonary artery


Carries the blood from the ventricle to the body

A. Aorta

B. Atrium

C. Valve

D. Septum


Pumps the oxygen-rich blood to all parts of the body

A. Right Ventricle

B. Left Ventricle

C. Right Atrium

D. Left Atrium


The valves between the atria and ventricles are known as the ________ valves.

A. atrioventricular

B. aortic

C. semilunar

D. pulmonary


Select the organism with the heart as shown in the diagram.

A. Insect

B. Fish

C. Frog

D. Human


Which one correctly describes a vein?

A. Low blood pressure, large lumen, valves present

B. Low blood pressure, small lumen, valves present

C. Low blood pressure, small lumen, valves absent

D. High blood pressure, large lumen, valves absent


Receives blood from the body that is low in oxygen and high in carbon dioxide

A. Right Atrium

B. Right Ventricle

C. Left Atrium

D. Left Ventricle


This type of blood vessel is the thinnest and allows for the transfer of nutrients and oxygen to the cells of the body.

A. veins

B. capillaries

C. arteries


This type of blood cell is responsible for fighting disease.

A. red blood cell

B. plasma

C. white blood cell


These are the oxygen carrying cells of the blood.

A. red blood cells

B. plasma

C. white blood cells


Receives oxygen-rich blood from the lungs

A. Right Ventricle

B. Left Ventricle

C. Right Atrium

D. Left Atrium


The most muscular chamber of the heart is the 

A. left ventricle

B. left atrium

C. right atrium

D. right ventricle


Pulmonary circulation involves blood flow to and from the heart and the _______.

A. body

B. digestive organs

C. brain

D. lungs


This is the straw colored liquid portion of the blood that carries dissolved nutrients.

A. red blood cells

B. plasma

C. white blood cells


Oxygenated blood is pumped from the heart to all body tissues through the aorta.

A. Systemic circulation

B. Pulmonary circulation


Which one correctly shows the route a red blood cell takes through the heart

A. vena cava – left atrium – left ventricle – pulmonary artery – lungs -pulmonary veins – right atrium – right ventricle – aorta

B. vena cava – right atrium – right ventricle – pulmonary veins – lungs -pulmonary artery – left atrium – left ventricle – aorta

C. vena cava – right atrium – right ventricle – pulmonary artery – lungs -pulmonary veins – left atrium – left ventricle – aorta

D. pulmonary artery- right atrium – right ventricle – pulmonary vein – lungs -vena cava – left atrium – left ventricle – aorta


2 atria, 1 ventricle
Which animal has the above heart structure?

A. Insect

B. Fish

C. Amphibian

D. Human


This is the thickest of the blood vessels. It leads away from the heart.

A. veins

B. capillaries

C. arteries


The two superior receiving chambers of the heart are known as the _________

A. atria

B. ventricles


Pumps oxygen-poor blood to the lungs

A. Right Ventricle

B. Right Atrium

C. Left Ventricle

D. Left Atrium


Which has valves, arteries or veins?

A. Arteries

B. Veins


Select the organism with the heart as shown in the diagram.

A. Insect

B. Fish

C. Frog

D. Human


Large blood vessels that carry blood away from the heart are called:

A. arteries

B. capillaries

C. veins

D. venae cavae




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