1. What change would increase the rate of oxygen diffusing from lung alveoli int

ID: 44733 • Letter: 1

Question

1. What change would increase the rate of oxygen diffusing from lung alveoli into the blood?

a) A decrease in the pH of the blood entering the lungs

b) an increase in the humidity of air in the lungs

c) an increase in the hemoglobin concentration of the red blood cells

d) a decrease in the partial pressure of oxygen in the alveoli

e) an increase in the partial pressure of oxygen in the blood entering the lungs

2. Which of the following is an example of commensalislm

a) a tapeworm living in the intestines of a mule deer

b) acacia trees and their ants

c) barnacles hitching a ride on the skin of a whale

d) wood-digesting flagellates living in the gut of termites

e) a female mosquito sucking blood from a musk oxen

1.what change would increase the rat e of oxygen diffusing from lung alveoli into the blood ?

option D ; decrease in the partial pressure in the alveoli

2. which of the following is a exapmle of commensalism ?

option C brancles hitchig a ride on the skin of a whale

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