People suffering mineral deficiencies sometimes compulsively eat non-nutritive
substances, such as laundry starch, dirt, hair, and clay. This condition is called
A) pernicious anemia. B) obsessive-compulsive disorder.
C) anorexia. D) pica.
D
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When the carbonic acid-sodium bicarbonate buffer pair buffer a base:
a. water is produced b. hydrogen ions are added to the solution c. more carbonic acid is produced d. both B and C above
Lifting weights will cause muscles to enlarge. This is primarily due to
A. an increase in the number of muscle cells. B. an increase in the size of muscle cells.
The carbon dioxide of respiration is formed during
A) glycolysis. B) the citric acid cycle. C) electron transport. D) the formation of pyruvic acid. E) the formation of water.
In cardiac muscle, the fast depolarization phase of the action potential is the result of ________ membrane permeability to ________ ions
A) increased; sodium B) increased; potassium C) decreased; calcium D) decreased; sodium E) increased; chloride