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Unit 1 PE: The Cardiovascular System

Total questions: 16

Worksheet time: 9mins

Name
Class
Date
1.

True or false: veins carry blood from organs towards your heart.

a)

True

b)

False

2.

Which side of the heart carries oxygenated blood?

a)

Left

b)

Right

3.

When the heart contracts, it squeezes the blood out of the ventricle and into the arteries. This is called the ______ phase of the hearts contraction.

a)

Systole

b)

Diastole

c)

Cisily

d)

Circulatory

4.

The amount of blood ejected by the left ventricle in one contraction/heart beat is called what:

a)

Heart rate

b)

Stroke Volume

c)

Cardiac Output

d)

Systemic Circulation

5.

A measure of the volume of blood ejected from the left ventricle of the heart per minute is called:

a)

Heart Rate

b)

Stroke Volume

c)

Cardiac Output

d)

Systemic Circulation

6.

During an increasing intensity exercise, which component will plateau at 40-50% of max exercise capacity.

a)

Heart Rate

b)

Stroke Volume

c)

Cardiac Output

d)

Systemic Circulation

7.

Blood transports oxygen from the lungs and heart to the working (a)   , and then removes metabolic by-products such as carbon dioxide from muscle sites.

8.

_______ results in less blood moving through capillaries, and more blood being redirected to areas

a)

Vasoconstriction

b)

Vasodilation

9.

Blood consists of plasma and blood cells. What is the percentage of red blood cells contained in blood?

a)

9%

b)

95%

c)

99%

d)

90%

10.

Which blood component is responsible for counteracting dehydration and carries nutrients?

a)

Red blood cells

b)

White blood cells

c)

Platelets

d)

Plasma

11.

Strong elastic walls is a feature of which blood vessel?

a)

Veins

b)

Capillaries

c)

Arteries

12.

Blood flow through capillaries are controlled by _______________

a)

Smooth muscle

b)

Vasocontriction

c)

Vasodilation

d)

Pre capillary sphincters

13.

___________ is elevated body temperature due to failed thermoregulation

a)

Hyothermia

b)

Hyperthermia

14.

Increased _______________; is the difference in the amount of oxygen in the arteries with the amount of oxygen in the veins.

a)

Muscle Oxygen Intake (MO-I)

b)

Arteriovenous Oxygen Difference (a-VO2 diff)

c)

Arteriol Delivery Effect (AD-eff)

d)

Carbon Dioxide Extract (CDE)

15.

Arterio - venous oxygen difference (a-Vo2 diff) is greatest at:

A/ maximal exercise

B/ sub maximal exercise

C/ rest

D/ none of the above – it remains constant

a)

Maximal exercise

b)

Submaximal exercise

c)

Rest

d)

It remains constant

16.

After leaving the heart the blood will take the following pathway:

arteries - arterioles - (a)   - venules - veins.