Psychology 18100

subject Type Homework Help
subject Pages 9
subject Words 1255
subject Authors James W. Kalat

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page-pf1
Orlistat (Xenical) can reduce body weight by:
a. increasing CCK release.
b. increasing stomach distention.
c. blocking serotonin reuptake.
d. preventing absorption of fats.
If we compare the receptive fields of two simple cells in the primary visual cortex,
chosen at random, in what way are they most likely to differ?
a. orientation (angle) of a line that they respond to
b. shape
c. whether they respond to colored light as well as white light
d. the size of their receptive field
People with massive damage to the primary auditory cortex:
a. are rendered completely deaf.
b. are rendered deaf to only high-frequency sounds.
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c. cannot recognize combinations or sequences of sounds.
d. can no longer hear and recognize simple sounds.
Damage to the basal ganglia would most likely result in:
a. a movement disorder.
b. problems with visual perception.
c. problems with auditory perception.
d. a loss of pain sensation.
Female rats find sex reinforcing only if they:
a. are submissive
b. get to decide when it occurs
c. let the male take the lead
d. are placed in a controlled setting
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CCK, insulin, and leptin provide input to the ____ neurons in the ____ nucleus.
a. satiety-sensitive, paraventricular
b. satiety-sensitive, arcuate
c. hunger-sensitive, arcuate
d. hunger-sensitive, paraventricular
Given a repetitive series of action potentials in a given neuron, we can expect that:
a. each action potential will release the same amount of neurotransmitter.
b. later action potentials in a series will release more neurotransmitter than the first.
c. many action potentials will fail to release any neurotransmitters at all.
d. some action potentials will release one chemical as the neurotransmitter, and others
will release other chemicals.
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Which of the following would most likely help someone adjust to jet lag?
a. taking a nap during the day
b. taking melatonin when you need to wake up
c. keeping the room light when you need to stay awake
d. darkening the room when you need to stay awake
Which of the following behaviors would most likely result from activity of central
pattern generators?
a. a dog shaking itself to dry off
b. catching a baseball
c. playing the piano
d. yawning
A delusion is a(n):
a. sensory experience that does not correspond to reality.
b. inability to understand abstract concepts.
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c. unfounded belief.
d. loss of memory for part of one's past.
Temporal summation most likely occurs with:
a. infrequent, subthreshold excitation.
b. rapid succession of stimuli that each exceed threshold.
c. infrequent, inhibitory stimuli.
d. rapid succession of subthreshold excitation.
At many hippocampal synapses, long-term potentiation depends on the activation of
which type of receptor?
a. Nicotinic
b. Muscarinic
c. NMDA
d. GABA
page-pf6
Lateralization refers to the:
a. formation of the sulci and gyri in the cortex.
b. functional asymmetries of the brain.
c. slow rate of maturation in forebrain structures.
d. physical changes that occur in neurons as learning takes place.
What is a likely consequence if someone's temperature rhythm is phase-delayed?
a. waking up frequently during the night
b. having problems going to sleep after losing your job
c. difficulty falling asleep
d. not breathing during the night
What is another name for the tympanic membrane?
page-pf7
a. eardrum
b. pinna
c. auditory nerve
d. cochlea
Someone who had developed a tolerance to alcohol is likely to show a cross-tolerance
to:
a. benzodiazepines.
b. amphetamines.
c. lithium.
d. antidepressants.
People with posterior parietal damage:
a. cannot walk toward something they hear.
b. have trouble converting vision into action.
c. can walk toward something they see but cannot reach out to grasp it.
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d. cannot accurately describe what they see.
ECT increases the proliferation of new neurons in the:
a. thalamus.
b. hippocampus.
c. fornix.
d. cingulate.
What is the most common drug in the treatment for Parkinson's disease?
a. haloperidol
b. physostigmine
c. Dilantin
d. L-dopa
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Which of the following is a rare condition in which people are retarded in many ways,
but yet are remarkably skilled in their use of language?
a. Williams syndrome
b. dyslexia
c. Wernicke's aphasia
d. anomia
Which of the following is more typical of a metabotropic effect than an ionotropic
effect?
a. produces inhibitory effects on the postsynaptic cell
b. influences the speed of conduction by the postsynaptic cell
c. produces long-lasting effects on the post-synaptic cell
d. controls sensory processes
page-pfa
When a neuron's membrane is at rest, the concentration gradient tends to move sodium
____ the cell and the electrical gradient tends to move it ____ the cell.
a. into, into
b. into, out of
c. out of, into
d. out of, out of
Because blood vessels and ganglion cell axons are almost absent near the ____, it has
nearly unimpeded vision.
a. optic nerve
b. fovea
c. area containing mostly rods
d. cornea
In the control of appetite, CCK, leptin, and insulin converge their effects onto
hypothalamic cells that release transmitters in the ____ family.
a. melanocortin
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b. endorphin
c. acetylcholine
d. purine
Biological psychologists are primarily interested in the study of the physiological,
evolutionary, and ____.
a. social influence on attitudes
b. developmental mechanisms of behavior and experience
c. use of reinforcement to change behavior
d. mental well-being of plants
Prepositions, conjunctions, helping verbs, and so forth are known as the ____ of
grammatical forms.
a. fluent class
b. fixed class
c. open class
d. closed class
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The miracle of miracle berries is that after eating them:
a. they become tasteless.
b. salty substances taste sour.
c. you don't gain any weight.
d. sour substances can taste sweet.
One surprising feature about people with posttraumatic stress disorder is that, on the
average, they have:
a. lower than normal cortisol levels.
b. a larger than normal hippocampus.
c. a stronger, healthier immune system than most people.
d. a weaker than normal startle response to a loud noise.
page-pfd
Which of the following explanations for a genetic basis for altruism is most favored by
the text?
a. Benefits to the species
b. Kin selection
c. Group selection
d. Involves little individual cost
What is one impediment to regeneration of axons in the mammalian central nervous
system?
a. Inhibitory chemicals secreted by the damaged portion of the axon
b. Bacterial infections caused by the decaying tissue
c. Large amounts of scar tissue
d. Inhibitory messages sent from the cell nucleus when an axon is damaged

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