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WorksheetsBiological Psychology Exam 1
Total questions: 25
Worksheet time: 15mins
Name
Class
Date
1.
One way to study self-awareness in non-human animals is to confront them with
a)
a photograph of themselves
b)
a mirror
c)
an experiment
d)
a difficult task
2.
The brief period of time immediately after the initiation of an action potential when it is absolutely impossible to initiate another one in the same neuron is called the
a)
threshold of excitation
b)
relative refractory period
c)
absolute refractory period
d)
threshold of inhibition
3.
In each cell of the human body, there are normally
a)
21 chromosomes
b)
23 chromosomes
c)
21 pairs of chromosomes
d)
23 pairs of chromosomes
4.
Clusters of neural cell bodies in the CNS are called
a)
neurons
b)
ganglia
c)
nerves
d)
nuclei
5.
A change in the resting potential of a dendrite from -70mV to -72mV is called
a)
a depolarization
b)
an EPSP
c)
an IPSP
d)
a depolarization AND an IPSP
6.
Neurons of the dorsal root synapse in the
a)
vetnral horn
b)
cortex
c)
spinal cord
d)
PNS
7.
The idea that the human brain and human mind are separate entities was formalized in the 1600’s by
a)
Locke
b)
Plato
c)
Cajal
d)
Descartes
8.
Searle (1949) found that, in comparison to maze-dull rats, maze-bright rats were
a)
less emotional
b)
not generally superior in learning ability
c)
more emotional
d)
less emotional AND not generally superior in learning ability
9.
Glial cells have been shown to
a)
contain receptors for neurotransmitters
b)
release chemical transmitters
c)
participate in neurotransmitter reuptake
d)
all of these
10.
How many nucleotide bases are there in DNA?
a)
1
b)
2
c)
4
d)
none of these
11.
The spine of a human runs just beneath the
a)
posterior surface
b)
anterior surface
c)
ventral surface
d)
dorsal surface
12.
The end of the rising phase of an action potential occurs when the
a)
sodium channels close
b)
potassium channels open
c)
potassium channels close
d)
sodium channels open
13.
Synaptic vesicles are most prevalent in the
a)
axon terminal
b)
nucleus
c)
synaptic clefts
d)
postsynaptic membranes
14.
Accidental alteration in individual genes during replication is called
a)
self-duplication
b)
crossing over
c)
mutation
d)
translation
15.
Myelination
a)
makes up gray matter in the brain
b)
is produced exclusively by Schwann cells
c)
increases the speed of synaptic transmission
d)
increases the speed of axonal conduction
16.
The process of neurotransmitter release is referred to as
a)
expulsion
b)
exocytosis
c)
endocytosis
d)
excitation
17.
Gray matter of the spinal cord is largely composed of
a)
cerebrospinal fluid
b)
cell bodies and unmyelinated interneurons
c)
myelinated axons
d)
Schwann cells
18.
Neurotransmitters are often stored in
a)
the synaptic cleft
b)
buttons
c)
vesicles
d)
nodes of Ranvier
19.
In its resting state, a neuron is said to be
a)
polarized
b)
depolarized
c)
hypopolarized
d)
hyperpolarized
20.
According to the traditional theory of the resting potential,
a)
Na+ ions continuously leak out of a resting neuron
b)
Na+ ions are continuously pumped into a resting neuron
c)
K+ ions continuously leak out of a resting neuron
d)
K+ ions are continuously pumped out of a resting neuron
21.
Metabotropic receptors are linked to
a)
vesicles
b)
signal proteins and G proteins
c)
ligand-activated ion channels
d)
receptor subtypes
22.
In comparison to metabotropic receptors, ionotropic receptors produce effects that
a)
are more diffuse
b)
develop more rapidly
c)
are more enduring
d)
are twice the voltage
23.
The two genes – one on each chromosomes of a pair – that control the same trait are called
a)
alleles
b)
phenotypes
c)
genotypes
d)
dominants
24.
Maze-bright rats are less ______ than maze-dull rats
a)
emotional
b)
active
c)
social
d)
impulsive
25.
When there are equal amounts of EPSP's and IPSP's firing, but the EPSP's are firing at a rate of 30% and the IPSP's at a rate of 60%, the result is
a)
excitation from temporal summation
b)
inhibition from temporal summation
c)
excitation from spatial summation
d)
inhibition from spatial summation
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