EXAM QUESTIONS 100% SOLVED
The dorsal stream projects to the: - ANSWERparietal lobe
Cutting the optic nerve of the right eye prior to reaching the optic chiasm will result in
loss of vision in: - ANSWERhalf of each visual field
The primary visual cortex is also known as: - ANSWERV1
The left hemisphere may play a role in the ______ of music. - ANSWERproduction
Which of the following is not a type of retinal neuron? - ANSWERperpendicular cells
The light-sensitive surface in the back of the eye is called the: - ANSWERretina
The auditory receptors are: - ANSWERon the basilar membrane
Cells in the dorsal stream are sensitive to: - ANSWERanesthetics and movement.
Broca's area is located in the: - ANSWERfrontal lobe
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? - ANSWERintegumentary
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: -
ANSWERbilateral symmetry
Which of the following is not one of the major functions of the skeletal system? -
ANSWERinsulates 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? - ANSWERidentical
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. - ANSWERfalse
The _____________ helps stabilize pH and temperature. - ANSWERcirculatory
system
Individuals who possess two identical genes for a particular trait are heterozygous
for that trait. - ANSWERfalse
,The member of the gene pair that is routinely unexpressed is: - ANSWERrecessive
Aggression is an example of a learned behavior. - ANSWERtrue
What is the most common sequence of information flow through a neuron? -
ANSWERdendrite, nucleus, axon hillock, axon
There are 4 divisions of the brain. - ANSWERfalse
Oligodendrocytes perform which of the following functions? - ANSWERenhance
conduction velocity along an axon.
A key function of the autonomic nervous system involves control of -
ANSWERcardiac muscle and glands
________ fibers "bear away from the brain." - ANSWERefferent
The space between the presynpatic neuron and postsynaptic neuron is called the
axon terminal. - ANSWERfalse
function of the medulla - ANSWERresponsible for vital reflexes
functions of the pons - ANSWERincreases arousal and prepares other parts of the
brain to be ready to activate
function of the cerebellum - ANSWERregulates movement, balance, and
coordination
what is the best analogy for a neuron? - ANSWERa multi-input computational device
with one output wire
astrocytes - ANSWERprovide structural support
neurons - ANSWERsend messages via action potentials
Oligodendrocytes/Schwann Cells - ANSWERinsulate axons to speed up impulses
microglia - ANSWERdetect infection or injury
ependymal - ANSWERproduce cerebrospinal fluid
During an action potential: - ANSWERthe 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? - ANSWERuptake by
surrounding glial cells, diffusion, and enzymatic degradation
Type II synapses are _____, whereas Type I synapses are_____. -
ANSWERinhibitory, excitatory
, ______ store several vesicles containing neurotransmitters. - ANSWERStorage
granules
The sodium-potassium pump repeatedly transports ____ sodium ions out of the cell
while drawing ____ potassium ions into it. - ANSWERthree;two
The notion that opposites attract is an analogy that best describes: - ANSWERa
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? -
ANSWERmembrane hyper polarization, membrane depolarization, initiation of
chemical reactions
Which of the following represents the normal order of activation in neuronal
transmission? - ANSWERdendrite -> cell body -> axon -> terminal button
Opening a chloride channel will neutralize an EPSP. - ANSWERtrue
Neuronal differentiation is largely complete by: - ANSWER29 weeks
Compared with chemical synapses, electrical synapses: - ANSWERtransmit
messages faster
The sympathetic nervous system uses _____________ to communicate, while the
parasympathetic nervous system uses _____________. - ANSWERnorepinephrine;
acetylcholine
Ultimately Ca2+ serves to aid neural transmission by: - ANSWERcausing the release
of neurotransmitter into the synaptic cleft.
In human embryos, gyri and sulci first start to form after about: - ANSWER7 months
For an action potential to be elicited: - ANSWERmultiple quanta of neurotransmitter
must be released from the presynaptic cell.
The brain can cope with injury more easily during: - ANSWERneurogenesis
Which of the following activating system-cell body location pairs is not correct? -
ANSWERSerotonin, ventral tegmentum
Which of the following is the correct sequence of brain development? - ANSWERcell
birth, cell migration, cell differentiation, cell maturation
______ contribute to chemical neurotransmission by supplying the building blocks for
neurotransmitters or by cleaning up excess neurotransmitters. - ANSWERglial cells
One synapse between sensory input and movement is called: -
ANSWERMonosynaptic Reflex