EXAM 2025 QUESTIONS AND ANSWERS
The dorsal stream projects to the: - ANS parietal lobe
Cutting the optic nerve of the right eye prior to reaching the optic chiasm will result in loss of
vision in: - ANS half of each visual field
The primary visual cortex is also known as: - ANS V1
The left hemisphere may play a role in the ______ of music. - ANS production
Which of the following is not a type of retinal neuron? - ANS perpendicular cells
The light-sensitive surface in the back of the eye is called the: - ANS retina
The auditory receptors are: - ANS on the basilar membrane
Cells in the dorsal stream are sensitive to: - ANS anesthetics and movement.
Broca's area is located in the: - ANS frontal lobe
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,Which organ system helps to conserve water, keeps things in and out, protects the body from
injury and some pathogens by participating in the first line of defense of the immune system? -
ANS integumentary
More advanced nervous systems often have similar structures on the left and right sides (e.g.,
the left and right hemispheres of the brain). This concept is known as: - ANS bilateral
symmetry
Which of the following is not one of the major functions of the skeletal system? -
ANS insulates heat
Research involving twins has helped us understand the effects of genetics, the environment,
and their interaction on behavior. Which set of twins has identical genetics? - ANS identical
The pulmonary circuit transports oxygen rich blood to the lungs and then brings deoxygenated
blood back to the heart to be distributed to the body via the systemic circuit. - ANS false
The _____________ helps stabilize pH and temperature. - ANS circulatory system
Individuals who possess two identical genes for a particular trait are heterozygous for that trait.
- ANS false
The member of the gene pair that is routinely unexpressed is: - ANS recessive
Aggression is an example of a learned behavior. - ANS true
What is the most common sequence of information flow through a neuron? - ANS dendrite,
nucleus, axon hillock, axon
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,There are 4 divisions of the brain. - ANS false
Oligodendrocytes perform which of the following functions? - ANS enhance conduction
velocity along an axon.
A key function of the autonomic nervous system involves control of - ANS cardiac muscle and
glands
________ fibers "bear away from the brain." - ANS efferent
The space between the presynpatic neuron and postsynaptic neuron is called the axon
terminal. - ANS false
function of the medulla - ANS responsible for vital reflexes
functions of the pons - ANS increases arousal and prepares other parts of the brain to be
ready to activate
function of the cerebellum - ANS regulates movement, balance, and coordination
what is the best analogy for a neuron? - ANS a multi-input computational device with one
output wire
astrocytes - ANS provide structural support
neurons - ANS send messages via action potentials
Oligodendrocytes/Schwann Cells - ANS insulate axons to speed up impulses
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, microglia - ANS detect infection or injury
ependymal - ANS produce cerebrospinal fluid
During an action potential: - ANS the voltage of the cell membrane goes to about +30 mV
and then drops to -70 mV.
How is a neurotransmitter removed from the synaptic cleft? - ANS uptake by surrounding
glial cells, diffusion, and enzymatic degradation
Type II synapses are _____, whereas Type I synapses are_____. - ANS inhibitory, excitatory
______ store several vesicles containing neurotransmitters. - ANS Storage granules
The sodium-potassium pump repeatedly transports ____ sodium ions out of the cell while
drawing ____ potassium ions into it. - ANS three;two
The notion that opposites attract is an analogy that best describes: - ANS a voltage gradient
When a neurotransmitter diffuses across the synaptic cleft and binds to a transmitter-activated
receptor, which of the following may occur in the postsynaptic cell? - ANS membrane hyper
polarization, membrane depolarization, initiation of chemical reactions
Which of the following represents the normal order of activation in neuronal transmission? -
ANS dendrite -> cell body -> axon -> terminal button
Opening a chloride channel will neutralize an EPSP. - ANS true
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