Which of the following is an example of how the human lung is designed to optimize the transfer of oxygen from the air to the blood?
a. relatively small surface area
b. absence of interstitial space between the alveoli and capillary walls.
c. small diffusion gradient
d. thin respiratory membrane
D
You might also like to view...
Vasopressin is a powerful anti-inflammatory medication
Indicate whether the statement is true or false
Which of the following physiological factors would NOT be beneficial to a mountain climber during high altitude climbing?
A. an increase in arterial PCO2 B. higher PO2 in the blood C. right shift in the oxyhemoglobin dissociation curve D. Both an increase in arterial PCO2 and right shift in the oxyhemoglobin dissociation curve are correct
The gluteus maximus muscle originates on the posterior one-fourth of the crest of the ilium, posterior surface of the sacrum and ________ near the ilium, and fascia of the lumbar area.
A. coccyx B. sacrum C. fascia D. acetabulum
Retin-A is used for the treatment of hair loss
Indicate whether the statement is true or false