I CANT HAVE

Question 1

The most abundant gas in earth’s atmosphere is

Answer 1

D

Question 2

The oxygen content of air is approximately

Answer 2

A

Question 3

The concentration of nitrogen in the earth’s atmosphere is approximately

Answer 3

A

Question 4

The concentration of carbon dioxide in the earth’s atmosphere is

Answer 4

B

Question 5

Exchange across a membrane requires

Answer 5

D

Question 6

The movement of both oxygen and carbon dioxide in the body is accomplished by

Answer 6

D

Question 7

As an animal grows larger, the surface area increases by the mathematical __?__ of its dimensions.

Answer 7

B

Question 8

Ventilation is defined as

Answer 8

E

Question 9

Adult insects exchange respiratory gases primarily by means of

Answer 9

B

Question 10

Blood and water flowing in opposite directions, in conjunction with respiratory systems, is a mechanism that explains how

Answer 10

A

Question 11

The group of animals with the most efficient respiratory system is the

Answer 11

B

Question 12

Birds

Answer 12

E

Question 13

What is the proper sequence in the flow of air in mammals?

Answer 13

C

Question 14

The last mammalian structure that air moves through before the alveoli is the

Answer 14

C

Question 15

During inhalation,

Answer 15

B

Question 16

When humans breathe using only the mouth, which of the following is most diminished?

Answer 16

A

Question 17

Food and drink are prevented from entering the respiratory passageways during swallowing by

Answer 17

C

Question 18

When you swallow, the epiglottis covers the opening to the

Answer 18

C

Question 19

The human vocal cords are located in the

Answer 19

D

Question 20

In pleurisy

Answer 20

B

Question 21

Actual exchange of gases in the lungs occurs in the

Answer 21

B

Question 22

Which of the following is NOT found in lung tissue?

Answer 22

E

Question 23

During exhalation

Answer 23

A

Question 24

Which of the following statements is FALSE?

Answer 24

C

Question 25

Oxygen moves from alveoli to the bloodstream

Answer 25

A

Question 26

Hemoglobin

Answer 26

D

Question 27

Which statement is NOT true?

Answer 27

D

Question 28

Oxyhemoglobin gives up O2 when

Answer 28

A

Question 29

Most of the carbon dioxide produced by the body is transported to the lungs in

Answer 29

D

Question 30

The enzyme responsible for converting free carbon dioxide in the blood into forms in which it can be transported in the blood is

Answer 30

A

Question 31

Which statement is true?

Answer 31

E

Question 32

Carbon monoxide

Answer 32

D