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Worksheets

HBS 3.1

Total questions: 34

Worksheet time: 18mins

Name
Class
Date
1.

What is the normal resting heart rate for an average adult?

a)

40-60 bpm

b)

60-100 bpm

c)

100-120 bpm

d)

120-140 bpm

2.

What is the average stroke volume of the heart per beat?

a)

125 mL/beat

b)

50 mL/beat

c)

75 mL/beat

d)

100 mL/beat

3.

What is the function of the Purkinje fibers in the heart?

a)

Fire when atria is full of blood

b)

Cause ventricular depolarization

c)

Regulate blood flow

d)

Signal travels from SA to AV nodes

4.

Which chamber of the heart is responsible for pumping oxygen-rich blood to the body?

a)

Right ventricle

b)

Left atrium

c)

Right atrium

d)

Left ventricle

5.

What is the function of the S-T Segment in the heart?

a)

Ventricles contract and pump blood

b)

Ventricular depolarization

c)

Firing of AV node

d)

SA node fires when atria is full of blood

6.

What is the function of the P-Q Segment in the heart?

a)

Ventricles contract and pump blood

b)

Ventricular depolarization

c)

Signal travels from SA to AV nodes

d)

SA node fires when atria is full of blood

7.

What is the function of the P Wave in the heart?

a)

Ventricles contract and pump blood

b)

Ventricular depolarization

c)

Signal travels from SA to AV nodes

d)

SA node fires when atria is full of blood

8.

What is the function of the QRS Complex in the heart?

a)

Ventricles contract and pump blood

b)

Ventricular depolarization

c)

Firing of AV node

d)

SA node fires when atria is full of blood

9.

What is represented by #1?

a)

SA node

b)

Bundle of His

c)

AV node

d)

Purkinje fibers

10.

What is represented by #2?

a)

SA node

b)

Bundle of His

c)

AV node

d)

Purkinje fibers

11.

What is represented by #6?

a)

SA node

b)

Bundle of His

c)

AV node

d)

Purkinje fibers

12.

What is represented by #7?

a)

SA node

b)

Bundle of His

c)

AV node

d)

Purkinje fibers

13.

Letter D is pointing to

a)

Aorta

b)

Right Pulmonary Artery

c)

Superior Vena Cava

d)

Pulmonary Trunk

14.

Letter G is pointing to

a)

Right atrium

b)

Left Atrium

c)

Right ventricle

d)

Left ventricle

15.

Of the four chambers, which one carries deoxygenated blood?

a)

F and J

b)

F and A

c)

A and G

d)

J and G

16.

Which letter is pointing to the tricuspid valve?

a)

M

b)

N

c)

L

d)

O

17.

Prevention of backflow is the function of the

a)

pulmonary arteries

b)

valves

c)

septums

d)

vena cava

18.

After dropping off oxygen to the body, blood will re-enter the heart through the

a)

pulmonary veins

b)

aorta

c)

superior and inferior vena cava

d)

pulmonary arteries

19.
These have valves that prevent backflow of blood
a)
arteries
b)
veins
c)
arterioles
d)
capillaries
20.

How many layers of cells make up the wall of a capillary?

a)

1

b)

2

c)

3

d)

4

21.

Which blood vessels take blood AWAY from the heart?

a)

Veins

b)

Arteries

c)

Capillaries

22.

Which blood vessels take blood TO the heart?

a)

Veins

b)

Arteries

c)

Capillaries

23.
What are the main organs of gas exchange in the respiratory system?
a)
diapragm
b)
lungs
c)
trachea
d)
bronchi
24.
What is the function of the bronchi?
a)
Transport air from nose to lungs
b)
Transport air from trachea to lungs
c)
Transport air from lungs to alveoli
d)
Transport air from alveoli to blood
25.
The two main branches from the trachea (one to each lung)
a)
bronchi
b)
alveoli
c)
capillaries
d)
bronchioles
26.
The air sacs that are covered with capillaries where gas exchange takes place
a)
bronchi
b)
lungs
c)
oxygen
d)
alveoli
27.
What is the volume that remains in the lungs even after a forceful exhale
a)
expiratory reserve
b)
residual volume
c)
inspiratory reserve
d)
total lung capacity
28.
A disorder of the lungs called ____ causes the bronchi to become restricted (get smaller) so air can't get to the lungs.
a)
asthma 
b)
cold
c)
influenza 
d)
bronchitis 
29.

The volume of blood leaving your heart per beat.

a)

Heart Rate

b)

Stroke Volume

c)

Cardiac Output

d)

End diastolic volume

30.

The volume of blood leaving your heart per minute.

a)

Cardiac Output

b)

Stroke Volume

c)

End Diastolic Volume

d)

Heart Rate

31.

How is Cardiac Output Calculated?

a)

Heart Rate + Stroke Volume

b)

Heart Rate - Stroke Volume

c)

Heart Rate X Stroke Volume

32.
The maximum air you can get in and out of your lungs
a)
Vital Capacity
b)
Total Lung Capacity
c)
Residual Volume
d)
Inspiratory Reserve Volume
33.
What is the volume of one breath called?
a)
minute ventilation
b)
inspiratory capacity
c)
tidal volume
d)
vital capacity
34.

The graph shows lung values obtained with a spirometer, measured in liters.  What is the expiratory reserve volume individual based on the graph?

a)

approximately 2 L

b)

approximately 1 L

c)

approximately 3 L

d)

approximately 0.5 L

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