The battery of your electric toothbrush is running down and so you feel a low-frequency vibration in your oral cavity. Which receptors detect this stimulus?
A. Root hair plexus
B. Free nerve ending
C. Bulbous corpuscle
D. End bulbs
E. All of the choices are correct.
D
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After fertilization, development of a full-term fetus depends upon:
A) release of HCG by the trophoblast to maintain the corpus luteum. B) production of LH by the placenta. C) maintenance of the corpus albicans by prolactin. D) production of estrogen by the adenohypophysis. E) all of these
________ stimulates the production of sperm in testes.
A. Growth hormone B. Prolactin C. Luteinizing hormone D. Oxytocin E. Follicular-stimulating hormone
Which of the following people would be most severely affected by prolonged vomiting?
A. 3-year-old male B. 35-year-old male C. 15-year-old male D. 35-year-old female E. 50-year-old male
Pericytes are contractile cells found in which location?
a. Adherent to smooth muscle cells in the tunica media of arterioles b. Adjacent to the surfaces of capillaries c. Exclusively in elastic arteries d. Within the tunica intima of veins e. Within valves of lymphatic vessels