Myasthenia gravis can be caused by which of the following?
A. damage to dopamine-containing cells in the substantia nigra
B. loss of acetylcholine receptors on muscles
C. loss of cell bodies in the striatum
D. damage to the myelin sheath that covers axons in the spinal cord
Answer: B
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Unrealistic performance standards:
a. result from behavior learned from unusually talented models. b. are a result of alcoholism and drug use. c. do not motivate or challenge us enough. d. cause us to perform sustainably at our peak.
The preoperational thought stage occurs when
a. infants become toddlers. b. children learn a language. c. children can understand abstract concepts. d. children become adolescents.
The disappearance of symptoms of a disorder, such as hyperactivity or anxiety, due to the mere passage of time is called
a. spontaneous remission. b. catharsis. c. active remediation. d. reverse psychology.
The Wechsler Intelligence Scale for Children
A) was designed to downplay culturally dependent knowledge. B) emphasizes only one factor—verbal reasoning. C) was the first test designed to measure intelligence from infancy through late adulthood. D) is more culturally biased than the Stanford-Binet Intelligence Scales, Fifth Edition.