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exam 3 Neuroscience questions with actual answers.
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exam 3 Neuroscience questions withactual answers.
Question bank (not all included, but all relevant)
What is the ICD? ANS -The international classification of diseases and it was put out by the WHO
This is the most abundant excitatory neurotransmitter in the brain ANS -Glutamate
Candice Pert discovered ANS -Opiod Receptors
While tryptophan makes __ , tyrosine makes __ . Tryptophan is made from__. ANS -Indoleamine,
Catecholamines, L- Phenylalanine
Along the axon, there are: ANS -Voltage-Gated potassium Channels and voltage-gated sodium channels
DTI stands for and shows: ANS -Diffusion tensor imaging and it shows connectivity
. The resting membrane potential is maintained by electrostatic pressure and _______ acting on the
cation _______. ANS -Diffusion; potassium
During the relative refractory phase, ANS -The neuron is briefly hyperpolarized
The form of conduction that is characteristic of myeinated axons is called ANS -salatory conduction
. Which statement about multiple sclerosis is false?
a. It damages myelin.
b. It interferes with saltatory conduction.
c. It causes complex partial seizures.
d. Currently there is no cure. ANS -It causes complex partial seizures
, . Whether a synapse is excitatory or inhibitory is determined by the ANS -type of transmitter receptor in
the postsynaptic neuron.
After release, neurotransmitters are deactivated in the synapse by ANS -the process of enzymatic
degradation.
. Axo-axonic synapses ANS -often terminate near the axon terminal.
Spontaneous electrical rhythms that can be recorded from the surface of the scalp are ANS -generated
by the activity of populations of neurons.
Stimulation studies were able to create "maps" of how the various parts of the body are laid out on the
cortex. These maps provided the basis for the cartoon depiction of areas of greatest representation in
the brain. This cartoon depiction is referred to as the ANS -homunculus
During the _______ phase, an action potential cannot be initiated because Na+ channels are
unresponsive. ANS -absolute refractory
. In saltatory conduction, the action potential jumps from one _______ to the next. ANS -node of
ranvier
The neurologist Otto Loewi's pivotal discovery was that neurotransmitters communicate via _______
signaling. ANS -chemical
Which chemical is not a catecholamine neurotransmitter? ANS -Serotonin
People who have used a particular dose of a drug several times may develop a similar response to the
same dosage of other drugs in the same class. This is an example of ANS -Cross-tolerance
Caffeine exerts its action by _______ presynaptic adenosine receptors, which _______the amount of
neurotransmitter released. ANS -blocking; increases
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