The level of testosterone in the blood is increased by
A) the hypothalamus stimulating the testes to release LH.
B) a high level of testosterone stimulating the testes to release more LH.
C) a high level of testosterone stimulating the hypothalamus.
D) LH causing the interstitial cells to release testosterone.
D
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What is the role of interferon in defense against disease?
A) protects cells that have not yet been infected by viruses B) protects cells that have not yet been infected by bacteria C) activates the complement mechanism D) activates the inflammatory process
A gluteal gait, in which a person walks with a waddling limp, is usually caused by a
disorder of the A) gluteus maximus and gluteus minimus. B) gluteus maximus and tensor fasciae latae. C) gluteus medius and gluteus minimus. D) gluteus maximus and gluteus medius.
If the body experiences a drop in volume or blood pressure:
A) aldosterone stimulates the sweat glands, resulting in diaphoretic skin. B) adrenocorticotropic hormone causes a reduction in the secretion of cortisol. C) aldosterone secretion stimulates the kidneys to reabsorb sodium from the urine. D) catecholamine release inhibits the conversion of glycogen to glucose in the liver.
Which nonopioid neurotransmitter is involved in control of pain pathways?
A. serotonin B. enkephalin C. dynorphin D. ?-endorphin