Which of the following is not considered an embryonic membrane?
A) Placenta B) Chorion C) Allantois D) Amnion E) Yolk sac
A
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The emptying reflex causes the:
a. contracting of the muscles of the bladder b. relaxation of the internal sphincter c. relaxation of the external sphincter d. both A and B above
Osteoporosis is characterized by
a. reduced bone mass as a result of diminished laying down of the organic matrix of bone. b. abnormal bone calcification. c. hypocalcemia. d. both (a) and (b) above. e. all of these answers.
The figure illustrates bones of the right upper limb. What does "A" represent?
A. Phalanges B. Ulna C. Radius D. Carpals E. Metacarpals
Heat generation via nonshivering thermogenesis is accomplished by cells in which tissue?
a. Brown adipose tissue b. Liver c. Skeletal muscle d. Smooth muscle e. White adipose tissue