A mature follicle releases an ovum in response to a surge in
A) follicle-stimulating hormone.
B) luteinizing hormone.
C) estrogen.
D) progesterone.
E) oxytocin.
Answer: B
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Appropriate strategies to lessen the likelihood of acquiring osteoporosis include which of the following?
A. adequate dietary calcium intake B. regular weight-bearing exercise C. both A and B D. none of the above
Answer the following statement(s) true (T) or false (F)
1. The parasympathetic division stimulates digestion. 2. All preganglionic fibers of the ANS pass through the sympathetic chain of ganglia, synapsing at least once there. 3. The adrenal medulla is a modified sympathetic ganglion. 4. Fibers of the vagus nerve end very near or within their target organs.
During exhalation
A) pressure inside the lungs is less than the outside pressure. B) pressure within the thoracic cavity decreases. C) inside and outside pressures are equal. D) the volume of the thoracic cavity increases. E) the volume of the thoracic cavity decreases.
What kind of reflex arc does not require an interneuron?
A. A simple reflex arc B. An asynaptic reflex arc C. A bisynaptic reflex arc D. A diverging reflex arc E. A monosynaptic reflex arc