Which of the following is not true of taste cells?
A. They are located primarily on vallate and foliate papillae.
B. They are epithelial cells.
C. They have microvilli called taste hairs that are receptors for taste molecules.
D. They have nerve fibers that carry taste signals to the medulla oblongata.
E. They live for 7 to 10 days.
Answer: D
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Which of these bests describes colostrum?
A. It is a watery, protein-rich fluid secreted from maternal breasts after delivery of a baby. B. It is a hormone secreted by the hypothalamus that inhibits prolactin secretion. C. It is an estrogen-rich fluid that fills the antrum of a mature ovarian follicle. D. It is composed of dark-colored solid waste ejected from a fetus's bowels shortly after it is born. E. It is the watery remnant of breast milk that continues to be expelled from the breasts after a baby is weaned.
Blood returning to the heart from the systemic circuit first enters the
A) right atrium. B) right ventricle. C) left atrium. D) left ventricle. E) conus arteriosus.
If adenylyl cyclase (the enzyme that converts ATP to cAMP) is blocked,
A) the activity of progesterone at the endometrium would increase. B) the mammary glands would not respond to progesterone. C) endometrial cells would not respond to estradiol. D) the level of progesterone produced by the ovary during the luteal phase would increase. E) the corpus luteum would not respond to hCG.
Salivary amylase is activated once it enters the acidic environment of the stomach.
Answer the following statement true (T) or false (F)