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QUESTION 24

An hour after going to bed, Mike was so soundly asleep hisparents were unable to awaken him for a scheduled dose of medicine.At this point in Mike's sleep, an EEG would have most likelydetected

	A.	beta waves.
	B.	alpha waves.
	C.	REM rebound.
	D.	delta waves.

1 points   

QUESTION 25

For younger adults, the human sleep cycle repeats itself aboutevery

	A.	30 minutes.
	B.	90 minutes.
	C.	4 hours.
	D.	2 1/2 hours.

1 points   

QUESTION 26

Compared with environmentally impoverished rats, those ratshoused in enriched environments experienced a dramatic increase inthe number of their

	A.	sex hormones.
	B.	schemas.
	C.	Y chromosomes.
	D.	synapses.

1 points   

QUESTION 27

Unlike identical twins, fraternal twins are described as

	A.	extraverted.
	B.	monozygotic.
	C.	dizygotic.
	D.	epigenetic.

1 points   

QUESTION 28

Cathy is an emotionally intense infant and unpredictable in hersleeping schedule. Christine is a very relaxed infant andpredictable in her sleeping schedule. The two children most clearlydiffer in

	A.	temperament.
	B.	extraversion.
	C.	heritability.
	D.	epigenetic marks.

1 points   

QUESTION 29

The unique genetically influenced traits of children evokepredictable responses from their caregivers. This best illustratesthe ________ of nature and nurture.

	A.	evolution
	B.	interaction
	C.	independence
	D.	plasticity