Which of the following may result from emphysema?
A. Reduced gas exchange surface area
B. Cor pulmonale
C. Air trapping
D. All of the choices are correct.
Answer: D
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Bones are constantly undergoing resorption for various reasons. Which of the following cells accomplishes this process?
A) osteoclast B) osteocyte C) osteoblast D) stem cell
Hydrochloric acid is secreted by which of the secretory cells of the stomach?
A) chief cells B) parietal cells C) serous cells D) mucous neck cells
Using the figure below, identify the labeled part.
1) Label A: ______________________________
2) Label B: ______________________________
3) Label C: ______________________________
4) Label D: ______________________________
5) Label E: ______________________________
6) Label F: ______________________________
7) Label G: ______________________________
8) Label H: ______________________________
9) Label I: ______________________________
10) Label J: ______________________________
11) Label K: ______________________________
12) Label L: ______________________________
13) Label M: ______________________________
14) Label N: ______________________________
15) Label O: ______________________________
16) Label P: ______________________________
17) Label Q: ______________________________
18) Label R: ______________________________
19) Label S: ______________________________
Walking a tightrope would activate what portion(s) of the medulla?
A. the pyramids B. the superior colliculi C. the olives D. the pyramids and the superior colliculi E. the pyramids and the olives