Which of the following is NOT necessary after the birth of a foal:
a. iodine on umbilical cord c. enema
b. graining the foal d. examination of placenta
B
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During a sinus infection it is difficult to smell because
A) basal cell division decreases. B) olfactory glands stop producing mucus. C) olfactory supporting cells block odorant molecules from reaching the receptors. D) the hypothalamus stops responding to olfactory stimulation. E) excess mucus blocks odorant molecules from reaching the receptors.
A nonsteroid hormone acts on a target cell by
A. directly causing protein synthesis. B. promoting phagocytosis. C. causing synthesis of a second messenger. D. stimulating cell division.
Testosterone stimulates development of the secondary sex characteristics, spermatogenesis, and libido.
Answer the following statement true (T) or false (F)
When comparing the dermis with the hypodermis, the dermis
A. is a more vascular tissue than the hypodermis. B. and the hypodermis do not contain collagen. C. contains melanocytes; the hypodermis does not. D. is divided into two layers; the hypodermis is not. E. has more fat cells than the hypodermis.