If, after ovulation, the corpus luteum fails to form, which of the following could potentially occur?
A. Maternal twins
B. Ectopic pregnancy
C. Miscarriage
D. Placenta previa
Answer: C
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Air flow through the smaller bronchioles can be adjusted by varying the contractile activity of the smooth muscle within their walls
Indicate whether the statement is true or false
Once a structure is fully grown and mature, it will probably
A. down-regulate its receptors for growth hormone, as it no longer receives as much of the ligand. B. up-regulate its receptors for growth hormone, as it no longer needs to continue to grow at a fast rate. C. up-regulate its receptors for growth hormone, as it no longer receives as much of the ligand. D. down-regulate its receptors for growth hormone, as it no longer needs to continue to grow at a fast rate.
A typical adult hematocrit is around
A) 75. B) 85. C) 45. D) 25. E) 65.
The only cause of hypotonicity is drinking excess fluid
Indicate whether the statement is true or false