Lecture 16 - Oxygen and gas movement

Question 1

what is the atmospheric pressure

Answer 1

760 mmHg

Question 2

air on earth is ___% oxygen

Answer 2

21%

Question 3

T/F: oxygen is required to produce ATP

Answer 3

TRUE

Question 4

T/F: cells can store ATP

Answer 4

FALSE

Question 5

what 3 processes produce ATP in some capacity

Answer 5

1. glycolysis (anaerobic)
2. TCA/Krebs
3. electron transport chain

Question 6

what is the major function of the respiratory system

Answer 6

remove carbon dioxide

Question 7

what are the 3 byproducts of aerobic metabolism

Answer 7

1. carbon dioxide
2. water
3. ATP

Question 8

what is the main byproduct of anaerobic metabolism

Answer 8

lactic acid

Question 9

what are the 4 states of matter

Answer 9

1. liquid
2. solid
3. gas
4. plasma

Question 10

gas pressures are due to

Answer 10

number of molecules present in an area

Question 11

describe Henry’s law

Answer 11

the concentration of a gas in a solution is equal to its partial pressure

Question 12

what drives bulk flow

Answer 12

pressure differences

Question 13

what drive diffusion

Answer 13

concentration

Question 14

according to Fick’s law of diffusion, diffusion depends on

Answer 14

1. area
2. thickness
3. concentration
4. properties of gas

Question 15

what are two things will decrease diffusion of oxygen in the lung? why?

Answer 15

1. emphysema (loss of surface area)
2. pulmonary fibrosis (thickness)