Test 13- The respiratory system

Question 1

External respiration involves taking oxygen into the body and…..

Answer 1

getting rid of excess carbon dioxide.

Question 2

From the nose and mouth, air flows…..

Answer 2

into the larynx and windpipe.

Question 3

The trachea divides…..

Answer 3

into the right and left bronchi.

Question 4

Gaseous exchange takes place…..

Answer 4

in the alveoli.

Question 5

Ventilation is the process of…..

Answer 5

renewing of alveolar air.

Question 6

The respiratory tract is lined with…..

Answer 6

a layer of sticky mucus.

Question 7

The mucus in the respiratory tract is continually moved…..

Answer 7

by cilia.

Question 8

Residual air is left behind in the lungs

Answer 8

after expiration.

Question 9

During heavy exercise, the depth and rate of ventilation…..

Answer 9

increases dramatically.

Question 10

The epiglottis prevents…..

Answer 10

food and liquid from entering the lower respiratory tract.

Question 11

The larynx is also known as…..

Answer 11

the voice box or Adam’s apple.

Question 12

Each of the two lungs is surrounded…..

Answer 12

by its pleural cavity.

Question 13

The pleural cavities are filled…..

Answer 13

with fluid.

Question 14

Air flows into the lungs when…..

Answer 14

the chest wall and diaphragm move to increase the volume of the thorax.

Question 15

Tensing the vocal folds in the larynx in a stream of air…..

Answer 15

causes them to vibrate and produce sound.