Portage Biod 152 module 1 exam / Key Questions with 100% Correct Answers.Quiz____?this is a collection of cell bodies found in the peripheral nervous system - Answer✓✓ ganglia Quiz____?This part of the autonomic system accelerates the heart beat and increases breathing rate. - Answer✓✓ sympathetic nervous system Quiz____?the dorsal root of a nerve contains what type of neurons? - Answer✓✓ sensory/ afferent Quiz____?this part of a neuron conducts nerve impulses towards the cell body - Answer✓✓ dendrites Quiz____?
A neuron going to the bicep of the forearm is part of the: -
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Answer✓✓ central nervous system and autonomic nervous system Quiz____?the neuron pictured below is best described as - Answer✓✓ bipolar Quiz____?
T/F: neurons do not physically touch one another -
Answer✓✓ true Quiz____?describe the function and release of neurotransmitters - Answer✓✓ -neurotransmitters are chemicals stored inside secretory vesicles (axon terminal vesicles) at the end of the axon terminals -when neurotransmitters are released by the axon terminal vesicles, they carry the transmission of the nerve impulse from one neuron to another Quiz____?
an afferent neuron carries information: -
Answer✓✓ From the peripheral to the central nervous system Quiz____?
a postsynaptic neuron would be found: -
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after the synapse Quiz____?what is the location and function of satellite cells? - Answer✓✓ -PNS -regulation of environment of neuron cell bodies Quiz____?a patient's thumb was severed in a cooking accident and then reattached during surgery. would the patient be expected to regrow axons in their thumb? why or why not - Answer✓✓ yes; PNS nerves can regenerate the length of the axon through axonal regeneration because of the growth of Schwann cells ahead of the axon Quiz____?name and describe what is occurring in the neuron cell membrane in section 2 of the diagram. include the charge of the membrane during this phase - Answer✓✓
-depolarization: the sodium gates open and sodium rushes into the axon
during the depolarization phase of the action potential -voltage travels past zero and then on up to +40mV Quiz____?
at rest, a neuron plasma membrane is: -
Answer✓✓ Polarized (around -70mV) Page 3 of 16
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