Which of the following does not occur in pulmonary emphysema?
a. The alveoli lose their elasticity.
b. The surface area of the lung is greatly increased.
c. Walls between adjacent alveoli become destroyed.
d. The heart becomes enlarged from overexertion.
e. Stale air accumulates in the lungs because it cannot be properly expelled.
B
You might also like to view...
Which scientist presented arguments to support a theory of geological change, proposing that the earth was subject to slow but continuous erosion and uplift?
A. Leclerc B. Cuvier C. Lamarck D. Lyell
What are temperate bacteriophages?
What will be an ideal response?
When early G1 phase cells are fused with S-phase cells using polyethylene glycol (PEG), which of the following events would you expect to be induced?
A) cytokinesis in the S-phase cells B) condensation of chromosomes in the S-phase cells C) DNA replication in the G1 cells D) transition to G0 in the G1 cells E) spindle fiber formation in the G1 cells
Sodium concentration in the urine will be maintained due to the loop of the nephron (loop of Henle) exhibiting
Select one: a. an active release of sodium from the descending limb. b. a passive and active release of sodium from the ascending limb. c. a passive release of sodium from the descending limb. d. the release of water from the ascending limb. e. the active transport of water.