A rise in the blood levels of follicle-stimulating hormone at the beginning of the ovarian cycle is responsible for
A) follicle maturation.
B) menstruation.
C) ovulation.
D) menopause.
E) atresia.
Answer: A
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Lymphatic organs
A. contain a complete capsule of dense irregular connective tissue. B. contain an incomplete capsule of dense irregular connective tissue. C. lack a connective tissue capsule.
Only ________ muscle cells commonly branch.
Fill in the blank(s) with the appropriate word(s).
Which gastrointestinal hormone is released when the pH in the duodenum falls as acidic chyme arrives from the stomach?
A) HCl B) gastric inhibitory peptide C) cholecystokinin D) secretin E) gastrin
The afferent and efferent nerves:
A) are regulated by the sympathetic nervous system. B) are receptors stimulated by the sympathetic nervous system. C) are responsible for the somatic functions of the spinal cord. D) originate from the hypothalamus and regulate temperature.