Endometriosis occurs as a result of ________.
A. enlarged ovaries that fail to ovulate
B. staphylococcal bacteria present in the uterus
C. uterine tissue growing outside the uterus
D. chronic vulvar pain or discomfort
Answer: C
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The thyroid and pituitary gland play a major role in the ________ system.
A. Lymphatic B. Nervous C. Digestive D. endocrine
The Type _____ behaviour pattern is characterized by a tendency towards easily aroused anger, impatience, a sense of urgency, and competition.
A) A B) B C) C D) D
According to Pavlov, learning occurs when ________
a. a neutral stimulus is regularly paired with an unconditioned stimulus. b. a response is followed by reinforcement. c. a negative consequence is removed after a particular response. d. reinforcers are given for successive approximations of the desired response.
Natural chemicals in the brain that produce effects similar to those of morphine and other opium-derived drugs are called
A. amphetamines. B. depressants. C. endorphins. D. ecstasy.