Question

33. As humans and other animals age, the tissue of the "pacemaker" (SCN) __________:

a. becomes more regular and rhythmic.

b. becomes less regular and rhythmic.            

c. exhibits massive apoptosis (cell death).       

d. becomes tastier and more tender.

34. According to the activation‑synthesis hypothesis of dreaming, dreams reflect __________:

a. the brain's tendency to impose meaning on information

being processed with physiological prompting from the brain stem.

            b. an individual's confronting unconscious motivations and desires, usually                                        repressed during wakefulness.              

            c. racial memories and experiences which are part of a species evolutionary                                         history.

d. activation of the hypothalamus as it synthesizes melatonin.

e. your desire to pass this test.

35. With respect to virtually all birds and whales __________:

a. neither birds nor whales ever sleep.

b. all of these species sleep more than flying mammals.

c. only one hemisphere of their brains sleeps at any given time.

d. none of these species exhibits REM sleep.

e. a, b, and c.

36. The very active PGO waves are associated with __________:

            a. nREM sleep.

            b. REM sleep.

            c. alert wakefulness.

            d. boredom with psychobiology lectures.

            e. Pogo the Possum.

Answer 1

33.

humans and other animals age, the tissue of the "pacemaker" (SCN) becomes less regular and rhythmic.

Hence,option(b) is correct.

34.

the brain's tendency to impose meaning on information the brain's tendency to impose meaning on information

being processed with physiological prompting from the brain stem.

Hence,option(a) is correct.

35.

With respect to virtually all birds and whales, only one hemisphere of their brains sleep at any given time.

Hence,ooption(c) is correct.

The very active PGO waves are associated with REM.

Hence,option(b) is correct.