People suffering mineral deficiencies sometimes compulsively eat non-nutritive substances, such as laundry starch, dirt, hair, and clay. This condition is called
A. obsessive-compulsive disorder.
B. pernicious anemia.
C. anorexia.
D. pica.
Answer: D
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An increase in the osmolarity of the blood supplying the hypothalamus is a powerful stimulus for thirst.
Answer the following statement true (T) or false (F)
The superior colliculi help you respond to
A. auditory stimuli - for example, when you turn toward a loud bang. B. somatic stimuli - for example, when you swat at a bug that has landed on your arm. C. internal stimuli from your viscera - for example, when you feel abdominal pain. D. visual stimuli - for example, when you turn toward a bright flash of light.
The color receptors in the retina are most sensitive to light waves that are
A. red, blue, and yellow. B. green, yellow, and purple. C. orange, green, and purple. D. red, green, and blue.
A 12-year-old child who is 6 feet tall is diagnosed with hypersecretion of growth hormone (GH). Which diagnosis should be expected on the child's medical record?
A. Dwarfism B. Gigantism C. Addison's disease D. Pheochromocytoma