Chapter 6- Respiratory System And It's Regulation

Question 1

Respiratory zone

Answer 1

Exchange occurs in the alveoli

Question 2

Expiration

Answer 2

The intercostals and diaphragm relax and air is expelled out of the lungs

Question 3

Inspiration

Answer 3

Diaphragm (flattens out) and the external intercostal muscles (move ribs and the sternum out-of-the-way

Question 4

Tidal volume

Answer 4

Amount of air leaving and entering lungs with each breath

Question 5

Vital capacity

Answer 5

The greatest amount of air that can be expired after a maximal inspiration

Question 6

Residual volume

Answer 6

Amount of air left in the lungs after a maximal expiration

Question 7

Total lung capacity

Answer 7

The sum of vital capacity and residual volume

Question 8

Total blood volume in a typical adult is approximately

Answer 8

5 L

Question 9

The air we breathe is composed of

Answer 9

Nitrogen 74.04%
oxygen 20.93%
carbon dioxide 0.03%

Question 10

How many milliliters of oxygen per minute does the body need at resting

Answer 10

At least 250 mL

Question 11

Approximately what % of carbon dioxide transported by blood as bicarbonate ion

Answer 11

60-70%

Question 12

Myoglobin

Answer 12

Transportation of oxygen in the muscle to the mitochondria

Slow twitch muscle (fiber type 1)

Question 13

Pulmonary ventilation

Answer 13

Movement of air into and out of the lungs