Which of the following occur with emphysema?
A. Membranes form within alveoli, increasing surface area.
B. Tar from cigarettes blackens alveoli.
C. The walls of the alveoli degenerate, decreasing the surface area for gas exchange.
D. Cells in the bronchial lining divide too fast, causing increased thickness of the bronchial lining.
Answer: C
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The excess cerebrospinal fluid drains from the subarachnoid space directly into the
A. venous system. B. arachnoid villi of the dural sinuses. C. arteries. D. white matter.
The thymus:
a. helps T lymphocytes mature b. continues to grow throughout life, peaking in size in late middle age c. is the largest of the lymphatic structures d. all of the above
Hormones collectively known as enterogastrones include: __________, _____________ and _____________
Fill in the blank(s) with correct word
These are the cheekbones of the face
A) zygomatics B) maxillae C) sphenoids D) temporals