The integrative centers for autonomic activity are located in the
A) cerebrum.
B) thalamus.
C) cerebellum.
D) pituitary gland.
E) hypothalamus.
E
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Which of the following is NOT a cause of stress?
a. change in diet c. infectious disease b. change in environment d. all of the above cause stress
The hypophyseal portal veins represent a specialized portal circulation system that transports hormones from:
a. The anterior pituitary to the thyroid gland b. The hypothalamus to the anterior pituitary c. The hypothalamus to the posterior pituitary d. The posterior pituitary to the kidney e. The posterior pituitary to the mammary glands
Why might the drug orlistat, which blocks pancreatic lipase, helps an individual lose weight?
a) Pancreatic lipase is responsible for slowing down the body's overall metabolic rate. By blocking pancreatic lipase, the body will increase in metabolic activity, which potentially could lead to weight loss. b) Pancreatic lipase catalyzes the reaction that breaks the remaining polysaccharides into oligosaccharides but not into individual sugars, blocking them from being absorbed, potentially leading to weight loss. c) If pancreatic lipase is blocked, fat-soluble vitamins will not be capable of being absorbed by diffusion in the small intestines, potentially leading to weight loss. d) Blocking pancreatic lipase will, in turn,, block the chemical digestion and absorption of lipids, potentially leading to weight loss.
Circular folds are
A) ridges in the wall of the stomach. B) circumferential folds in the mucosa and submucosa of the small intestine. C) fingerlike projections on the surface of the mucosa of the small intestine. D) ridges on the external edges of the colon. E) abnormal structures formed by excessive pressure in the small intestine.