Vital capacity =
A) tidal volume + inspiratory reserve volume + expiratory reserve volume
B) inspiratory reserve volume + expiratory reserve volume + tidal volume + residual volume
C) expiratory reserve volume + residual volume
D) inspiratory reserve volume + residual volume
Answer: A
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True or False? During the last trimester, the placenta secretes a hormone similar to LH that is necessary for maintenance of pregnancy.
Answer the following statement true (T) or false (F)
Where are follicles located?
A) Epithelium of the placenta B) Epithelium of the endometrium C) Cortex of the ovary D) Center of the ovum E) Medulla of the ovary
When you scrape your skin, white blood cells arrive to fight infection. To slow down near the site of the cut, they use selectin, which provides traction. Since selectin helps white blood cells bind to a surface, they are part of a protein group known as
A. cellular adhesion molecules. B. cellular binding molecules. C. receptors. D. integral proteins.
After a hormone has exerted its effects, it typically
A) continues to act until an opposing hormone is secreted. B) spontaneously degrades. C) is absorbed by its target cell. D) is inactivated or removed from the blood. E) is absorbed by the gland that secreted it.