The stomach secretes the hormone ghrelin which functions to
A) inhibit hunger.
B) initiate secretion of gastric juice containing enzymes and acid.
C) regulate the digestion of lipids.
D) stimulate hunger.
E) stimulate secretion of mucus from submucosal glands.
D
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Gray matter is present in a spinal cord in three horns. Surgically cutting across the horns would destroy which type of material?
A. Myelinated axons B. Cell bodies C. Potassium channels D. Depolarizing axons
Which of the following is a correct statement about uterine tubes?
A) The ampulla is the narrow constricted region. B) The infundibulum is the funnel-shaped region near the ovary. C) The isthmus is the normal site of fertilization. D) The mesometrium supports the uterine tubes along their entire length.
Loretta takes 10 breaths per minute; her tidal volume is 500 ml. What is her minute ventilation?
A. 50 ml/min B. 100 ml/min C. 500 ml/min D. 1000 ml/min E. 5000 ml/min
An exocrine gland has two parts,
A. a duct and a secretory portion. B. a basement membrane and a goblet cell. C. a brush border and a glandular portion. D. an acinus and a brush border. E. a duct and a basement membrane.