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Ch. 7 CV System Vocab 1

Total questions: 19

Worksheet time: 10mins

Name
Class
Date
1.

What is the function of the septum in the heart?

a)

To pump blood to the lungs

b)

To divide the right and left sides of the heart

c)

To control the heart's rhythm

d)

To carry blood to the heart

2.

Which chamber of the heart receives blood from the body?

a)

Right ventricle

b)

Left ventricle

c)

Right atrium

d)

Left atrium

3.

What is the role of the tricuspid valve?

a)

To separate the left ventricle and aorta

b)

To separate the left atrium and left ventricle

c)

To separate the right ventricle and pulmonary artery

d)

To separate the right atrium and right ventricle

4.

Where is the sinoatrial node located?

a)

In the left ventricle

b)

In the right atrium

c)

In the right ventricle

d)

In the left atrium

5.

What is the primary function of erythrocytes?

a)

To fight infections

b)

To produce antibodies

c)

To carry oxygen in the blood

d)

To form blood clots

6.

Which type of blood cell is the body's first defense against illness?

a)

Basophil

b)

Eosinophil

c)

Neutrophil

d)

Lymphocyte

7.

What is the main role of the pulmonary circuit?

a)

To circulate blood between the heart and the lungs

b)

To circulate blood between the heart and the rest of the body

c)

To carry oxygenated blood to the heart

d)

To remove waste products from the blood

8.

What is the function of the Purkinje fibers?

a)

To separate the atria and ventricles

b)

To produce antibodies

c)

To trigger coordinated contraction of the ventricles

d)

To carry blood to the heart

9.

Which valve is also known as the mitral valve?

a)

Aortic valve

b)

Bicuspid valve

c)

Pulmonary valve

d)

Tricuspid valve

10.

What is the role of a monocyte?

a)

To mature into macrophages and eat invading organisms

b)

To produce antibodies

c)

To carry oxygen in the blood

d)

To release histamine during allergic reactions

11.

What is the function of the bundle of His?

a)

To carry electrical impulses to the ventricles

b)

To produce antibodies

c)

To separate the right and left sides of the heart

d)

To pump blood to the lungs

12.

Which blood vessel carries oxygenated blood away from the heart?

a)

Vena cava

b)

Capillary

c)

Artery

d)

Vein

13.

What is the primary function of thrombocytes?

a)

To play a role in blood clotting

b)

To produce antibodies

c)

To carry oxygen in the blood

d)

To fight infections

14.

Which type of white blood cell releases histamine during allergic reactions?

a)

Neutrophil

b)

Eosinophil

c)

Basophil

d)

Lymphocyte

15.

What is the role of the atrioventricular node?

a)

To act as the primary pacemaker of the heart

b)

To carry blood to the heart

c)

To coordinate the heart's pumping action

d)

To delay the electrical impulse before it passes to the ventricles

16.

Which blood vessel returns deoxygenated blood to the heart?

a)

Aorta

b)

Pulmonary vein

c)

Pulmonary artery

d)

Vena cava

17.

What is the main function of lymphocytes?

a)

To carry oxygen in the blood

b)

To produce antibodies and fight infections

c)

To release histamine

d)

To form blood clots

18.

Which heart valve prevents backflow of blood into the right atrium?

a)

Tricuspid valve

b)

Pulmonary valve

c)

Aortic valve

d)

Bicuspid valve

19.

Label the chambers of the heart.