Abnormal events such as nightmares, sleep terrors, and sleepwalking that occur during sleep or during the twilight time between sleep and waking are classified as
a. parasomnias
b. dyssomnias.
c. narcolepsy.
d. REM disorders.
a
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Which disorder has the lowest genetic heritability?
a. Depression b. Bipolar disorder c. Schizophrenia d. Substance use disorder
Identify an example of a cultural phenomenon
A close loving bond can shield children against abuse. More children than adults live in lower-income households. American women tend to be shorter than American men. American babies usually sleep in a room separate from their parents.
Nancy and Cliff had four children who did not have cystic fibrosis, but their fifth child was born with the disease. Cystic fibrosis is carried on a recessive gene. Given what you've learned in this chapter, how could this happen? a. It wasn't until the fifth child that both parents passed on the allele for this illness
b. Recessive genes normally skip a generation, but after the parents had five children, the gene was expressed. c. Their fifth child must have been a boy, which makes it more probable that he would have the illness. d. Their fifth child must have been a girl, which makes it more probable that she would have the illness.
If we compare either different species or different ages, what trend emerges?
A. The less total sleep, the higher the percentage of REM sleep B. The more total sleep, the higher the percentage of REM sleep C. The more activity during wakefulness, the higher the percentage of REM sleep D. The more activity during wakefulness, the lower the percentage of REM sleep