Respiratory: Questions - 15.3 Gas Exchange and Transport

Question 1

Movement of oxygen and carbon dioxide between blood vessels and tissues is called:

Answer 1

Systemic Exchange

Question 2

Movement of oxygen and carbon dioxide between the alveoli and pulmonary capillaries is called:

Answer 2

Alveolar Exchange

Question 3

What are the three layers of the respiratory membrane?

Answer 3

1. Squamous Alveolar cell
2. Basement membrane
3. Capillary Endothelial cell

Question 4

At the respiratory membrane, what gas travels from the alveolus to the blood capillary?

Answer 4

Oxygen

Question 5

At the respiratory membrane, what gas travels from the blood capillary to the alveolus?

Answer 5

Carbon Dioxide

Question 6

Oxygen and Carbon dioxide move across the respiratory membrane by a process called __________________.

Answer 6

Diffusion

Question 7

Alveolar Exchange occurs at the _______________.

Answer 7

Respiratory membrane

Question 8

Alveolar Exchange – what direction does oxygen move?

Answer 8

Alveolus to Pulmonary Capillary

Question 9

Alveolar Exchange – what direction does carbon dioxide move?

Answer 9

Pulmonary capillary to Alveolus

Question 10

Alveolar Exchange – oxygen moves from the alveoli to the __________________ and loads into the red blood cell.

Answer 10

Pulmonary capillary

Question 11

Alveolar Exchange – carbon dioxide unloads from a _________ and moves from the pulmonary capillary to the alveoli.

Answer 11

RBC

Question 12

Systemic Exchange – what direction does oxygen move?

Answer 12

Blood capillary to Tissue cell

Question 13

Systemic Exchange – what direction does carbon dioxide move?

Answer 13

Tissue cell to blood capillary

Question 14

Systemic Exchange – oxygen travels from the rbc of a systemic capillary and moves into a _______________.

Answer 14

tissue

Question 15

Systemic Exchange – carbon dioxide travels from the tissue into a systemic capillary and loads into a _______.

Answer 15

RBC

Question 16

The major way oxygen (98.5%) is transported in the bloodstream is by ______________.

Answer 16

Hemoglobin

Question 17

1.5% of oxygen is transported in the bloodstream as an _________________ , dissolved oxygen.

Answer 17

Oxygen (O2) molecule

Question 18

The major way carbon dioxide (90%) is transported in the bloodstream is as the ________________ ion.

Answer 18

Bicarbonate

Question 19

About 5% of carbon dioxide is transported on the hemoglobin molecule. TRUE or FALSE

Answer 19

TRUE

Question 20

About 5% of carbon dioxides is transported in the bloodstream as the _____________ molecule.

Answer 20

CO2

Question 21

The circulatory system is responsible for _______________ carbon dioxide and oxygen between the alveoli and tissues.

Answer 21

Transporting

Question 22

Oxygen enters the red blood cells in ___________ circulation.

Answer 22

Pulmonary

Question 23

Carbon dioxide leaves the rbcs and enters the lungs in _____________ circulation.

Answer 23

Pulmonary

Question 24

Alveolar gas exchange occurs between:

Answer 24

Pulmonary capillaries and alveoli.

Question 25

Oxygen leaves the red blood cells and goes into the tissues in ______________ circulation.

Answer 25

Systemic

Question 26

Carbon dioxide enters the red blood cells in _______________ circulation.

Answer 26

Systemic

Question 27

Systemic gas exchange occurs between:

Answer 27

Systemic blood vessels and the body’s tissue cells

Question 28

Which side of the heart pumps blood for pulmonary circulation?

Answer 28

The right ventricle is the major pump for pulmonary circulation.

Question 29

Which side of the heart pumps blood for systemic circulation?

Answer 29

The left ventricle is the major pump for systemic circulation.

Question 30

Oxygen entering rbcs and CO2 leaving the rbcs occurs in:

Answer 30

Alveolar exchange

Question 31

Oxygen leaves the bloodstream and CO2 enters the bloodstream during:

Answer 31

Systemic Gas Exchange

Question 32

Oxygen and carbon dioxide move into and out of blood vessels by:

Answer 32

Diffusion.

Question 33

The majority of carbon dioxide is transported in the as:

Answer 33

The bicarbonate ion (HCO3-)

Question 34

Hemoglobin can carry both oxygen and carbon dioxide. True or False

Answer 34

True. Hemoglobin can carry up to 4 molecules of oxygen but only 5% of the carbon dioxide is transported by the hemoglobin molecule.