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Quiz 4 >> Answers
Biopsychology: Answers to Quiz 4
1.
Adult laboratory rats living in an enriched environment have been found to produce 60% more new ________________ than do laboratory rats living in a nonenriched environment.
Answer: hippocampal neurons
2.
Ischemic brain damage is most obvious in the ____________ layer of the ____________ of the ________________.
Answer:
1. pyramidal cell
2. CA1 subfield
3. hippocampus
3.
____________ cells promote and direct neural regeneration in the mammalian ____________ nervous systems; in contrast, ______________ actively block regeneration in the mammalian ____________ nervous system.
Answer:
1. Schwann cells
2. peripheral
3. oligodendroglia
4. central
4.
Which of the following two terms do not belong here?
1. severe communication problems
2. superior olive
3. elastin
4. thalidomide
5. Hoxa 1
6. friendly
Answer: 'Elastin' and 'friendly'.
5.
The ____________ is an apparatus that is used in the rat version of the _______________ test.Deficits on this test seem to model the deficits in human long-term ___________ memory, which are commonly observed in human amnesics.
Answer:
1. Mumby box
2. Delayed Nonmathing-to-Sample
3. object recognition
6.
Experimental evidence suggests that all adults have experienced so-called ___________ amnesia.
Answer: infantile
7.
Professor P.'s encapsulated tumour was of a particular type. It was an _____________.
Answer: acoustic neuroma
8.
An ____________ is a ______________ that has taken a trip.
Answer:
1. embolus
2. trombus
9.
Put each letter next to the most relevant syndrome for amnesia.
a. medial diencephalons
b. R.B.
c. N.A.
d. R.M.
e. rhinal cortex
f. ECS
g. basal forebrain
h. alcohol
1. Medial temporal lobe amnesia
2. Korsakoff's amnesia
3. Alzheimer's amnesia
4. Posttraumatic amnesia
Answer:
1. b, e
2. a, c, h
3. g
4. d, f
10.
Michelle banged her forehead on the steering wheel when her car was struck by a truck. A neurological examination revealed some cerebral bleeding therefore the diagnosis was that she had suffered a cerebral _____________. Because the bleeding was restricted to the occipital lobe, it was clearly a _____________ injury.
Answer:
1. contusion
2. contrecoup
11.
Put the following developmental structures and processes in correct chronological order. (a, b, c, etc.).
a) apoptosis
b) neural crest
c) neural plate
d) totipotency
e) neural groove
f) filopodia
Answer:
1. totipotency
2. neural plate
3. neural groove
4. neural crest
5. filopodia
6. apoptosis
12.
The first indication that H.M.'s ability to form new long-term memories was specific to long-term explicit memories came from a study involving the _____________ test.
Answer:
text p.272 says that H.M. completely lost his ability to form explicit memories. If you meant 'implicit' then the answer is: Mirror Drawing test
13.
Because it does not involve inflammation, __________ is more adaptive than __________.
Answer:
1. apoptosis
2. necrosis
14.
Put each letter beside the number with the most appropriate structure.
1) memory of emotional significance
2) Pavlovian eyeblink conditioning
3) object recognition deficits
4) place cells
5) temporal order fo events
6) food-caching.
a) hippocampus
b) amygdala
c) rhinal corex
d) prefrontal cortex
e) cerebellum
f) striatium
Answer:
1. b
2. e
3. c
4. a
5. d
6. a
15.
_____________ seems to be a requirement for the induction of LTP. The hypothesis that it is also a physiological necessity for learning is called ________postulate.
Answer:
1. Co-occurrence of firing of presynaptic and postsynaptic cells
2. Hebb's
16.
Put each letter next to the most relevant brain disorder.
a. myelin
b. cholinergic agonists
c. tau
d. amyloid
e. dominant gene
f. cool climate
1. Alzheimer's disease
2. Multiple sclerosis
3. Huntington's disease
Answer:
1. b, c, d
2. a, f
3. e
17.
LTP has been most frequently studied in the ___________ at glutaminergic synapses where the __________ receptor predominates.
Answer:
1. hippocampus
2. NMDA
18.
LTP is considered to comprise three different phases each with a different mechanism. In chronological order, these are ______________, ________________, and ___________. Of the three, neuroscientists know most about the mechanisms of ________________.
Answer:
1. induction
2. maintenance
3. expression
4. induction
19.
Because he had many seizures and was heavily medicated in the months prior to his surgery, the degree of H.M.'s __________ memory impairment is difficult to assess.
Answer: retrograde
20.
Animals into which the genes of another species have been inserted are said to be _________________.
Answer: transgenic
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