In order to retain heat, what occurs in the skin on a cold day?
A. Blood vessels of the epidermis dilate.
B. Blood vessels of the dermis constrict.
C. Blood vessels of the dermis dilate.
D. Blood vessels of the epidermis constrict.
Answer: B
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Maturing spermatozoa are stored primarily in the
A) seminiferous tubules. B) straight tubules. C) lobules. D) interstitial areas. E) epididymis.
Which of the following is true regarding bioequivalence?
a. Drug reaches general circulation to the same extent, but with a varied rate b. Drug reaches general circulation to the same extent, and with the same rate c. Drug reaches general circulation with a varied extent, but with the same rate d. Drug reaches general circulation with a varied extent and a varied rate
What is the correct pathway of development of the cerebellum?
A) neural tube, forebrain, telencephalon, cerebellum B) neural tube, hindbrain, metencephalon, cerebellum C) neural tube, diencephalon, cerebellum D) neural tube, midbrain, mesencephalon, cerebellum
Coronary veins empty into the
A) left atrium. B) left ventricle. C) right atrium. D) right ventricle. E) conus arteriosus.