Chapter 3 - The Cardiorespiratory System

Question 1

Which of the following is a small terminal branch of an artery, which ends in capillaries?

Answer 1

Arteriole

Question 2

Resting oxygen consumption is approximately how many mL of oxygen per kilogram body weight per minute?

Answer 2

3.5 mL

Question 3

What may be the best measurement of cardiorespiratory fitness?

Answer 3

Maximal oxygen consumption

Question 4

After leaving the left ventricle, blood enters which structure?

Answer 4

Aorta

Question 5

Which of the following refers to vessels that transport blood from the capillaries toward the heart?

Answer 5

Veins

Question 6

When should the 3 measurements for resting heart rate be taken for greatest accuracy?

Answer 6

At the same time each day upon waking

Question 7

Which of the following is true of skeletal muscle?

Answer 7

It is a voluntary muscle.

Question 8

Within what range is the typical resting heart rate of a human being?

Answer 8

70 and 80 bpm

Question 9

What is a life-sustaining fluid that supplies the body’s organs and cells with oxygen and nutrients and helps regulate body temperature, fight infections and remove waste products?

Answer 9

Blood