During part of the normal menstrual cycle, when the levels of progesterone and estrogen decrease, what will occur?

A. Fertilization
B. Menstruation
C. Amenorrhea
D. Ovulation


Ans: B. Menstruation

Anatomy & Physiology

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a. True b. False Indicate whether the statement is true or false

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Indicate whether the statement is true or false

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Which of the following would inhibit both gastric secretion and gastric motility?

A. vagal stimulation B. chewing and swallowing food C. cholecystokinin (CCK) D. gastrin E. large amounts of fiber in the diet

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Hormones that can diffuse through the cell membrane and bind to nuclear receptors are:

A) Steroid hormones B) Paracrines C) Protein hormones D) Autocrines

Anatomy & Physiology