ASU BIO 181 - Capco - Final Exam
The terminal web - CORRECT ANSWER-is a site of exocytosis
The central nervous system (CNS) contains - CORRECT ANSWER-There is no
correct answer
Acetylcholine exocytosed from the presynaptic cell travels to the postsynaptic cell
to start the action potential in the postsynaptic cell - CORRECT ANSWER-True
Potassium ions are at high concentrations inside of cells including in neurons -
CORRECT ANSWER-True
The receptors in post-synaptic cells are the basis on which the synapse can be
defined as inhibitory or excitatory. - CORRECT ANSWER-False
Voltage-gated ion channels open when a protein binds to the receptor -
CORRECT ANSWER-False
The membrane potential (resting potential) is largely set by the Na-K-ATPase
pump. - CORRECT ANSWER-True
Fast neurons as described in lecture require cytoplasmic signal transduction to
open an ion channel. - CORRECT ANSWER-False
The post-synaptic cell can be - CORRECT ANSWER-in glands, muscle cells,
neurons
Fast neurons as described in lecture are fast because they are surrounded by a
type of glial cell that results in a myelin coating - CORRECT ANSWER-False
The automatic nervous system contains the sympathetic and the
parasympathetic nervous system - CORRECT ANSWER-True
Excitatory synapses make the post-synaptic cell less likely to fire. - CORRECT
ANSWER-False
, When the presynaptic cell contacts a muscle cell, the synapse area is called a
motor end plate - CORRECT ANSWER-True
Acetylcholine esterase breaks acetylcholine into muscarinic acid - CORRECT
ANSWER-False
Receptors are made from membrane-bound polyribosomes. - CORRECT
ANSWER-True
In the motor end plate, the event that is the immediate trigger for exocytosis is -
CORRECT ANSWER-Calcium ions
Excitatory synapses cause hyperpolarization of post-synaptic cells - CORRECT
ANSWER-False
The axon hillock in the pre-synaptic neuron fires based on temporal and spatial
summation of inputs. - CORRECT ANSWER-True
Only pre-synaptic neurons are coasted with myelin - CORRECT ANSWER-False
Excitatory synapses cause depolarization of the post-synaptic cell - CORRECT
ANSWER-True
The neural tissues are - CORRECT ANSWER-Spinal cord
Sensory neurons
Brain
The cell body referes to the part of the neurons that begin at the dendrites and
extend to the axon terminal - CORRECT ANSWER-False
The resting potential of neurons is - CORRECT ANSWER-The answer is not on
the list
The action potential is - CORRECT ANSWER-A result of the movement of ions
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