The function of type II cells in pulmonary alveoli is to:
a. Detoxify nitrogen dioxide
b. Facilitate the diffusion of oxygen out of pulmonary capillaries
c. Perform proteolysis of mucous proteins
d. Secrete the phospholipids of surfactant
e. Utilize cilia to transport mucus out of the lungs
ANS: D
Type II cells are rounded, nonciliated cells that contain multilamellar bodies composed of phos-pholipids.
You might also like to view...
Unscramble the following terms. "blackhead" oodemc
What will be an ideal response?
_____________ is the process of converting energy in the form of light, sound, movement, or touch into a neural signal.
Fill in the blank(s) with the appropriate word(s).Fill in the blank(s) with the appropriate word(s).
Which of the following would increase the maximum rate of facilitated diffusion?
A. increase the concentration gradient of the transported molecule to the saturation point B. decrease the concentration gradient of the transported molecule C. increase the concentration of the competitive molecules D. increased ATP synthesis E. None of these choices is correct.
When actively contracting, skeletal muscles catabolize glucose, but at rest they rely on which of the following?
A) proteins B) glycogen C) nucleic acids D) fatty acids E) amino acids