Sertoli cells are stimulated by ________, while Leydig cells are stimulated by ________.
A. FSH; testosterone
B. FSH; LH
C. LH; FSH
D. testosterone; LH
Answer: B
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The gland(s) located toward or above the kidney is/are the:
A) parathyroid B) thyroid C) adrenal D) androgen
Why is the hand region of the homunculus on the precentral gyrus so large?
A. Our arms require a lot of muscle control. B. The hand is a proportionally large part of the body. C. We have a lot of motor units associated with finger movement. D. We have very sensitive fingertips. E. We have very mobile wrists.
At the level of the first rib, the axillary vein becomes the ________ vein
A) cephalic B) azygos C) subclavian D) innominate E) external jugular
The pigments that contribute to skin color are melanin, carotene, and hemoglobin
Indicate whether the statement is true or false