When the body's metabolic rate decreases:
A) the thyroid gland secretes thyroxine.
B) oxygen demand increases accordingly.
C) the kidneys excrete more sodium and water.
D) thyroid-stimulating hormone secretion is reduced.
Ans: A) the thyroid gland secretes thyroxine.
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Which of the following conditions could potentially result from hyposecretion of a hormone released by the portion of the marked gland in the diagram?
a) tetany b) acromegaly c) diabetes insipidus d) goiter e) Cushing's syndrome
The process of glycolysis and the citric acid cycle:
a. both require oxygen b. both occur in the mitochondria c. are involved in carbohydrate anabolism d. none of the above
Hormones acting in the small intestine include
a. secretin and cholecystokinin b. secretin and gastrin c. cholecystokinin and gastrin d. all of the above e. none of the above
The fovea of the retina is in an area called a sensory macula. Another type of sensory macula can be found in the:
a. nasal epithelium b. circumvallate papilla c. vestibule d. semicircular canals e. cochlea