ASU BIO 181 EXAM 3 LATEST ACTUAL EXAM 100 QUESTIONS AND CORERCT DETAILED ANSWERS
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Course
ASU BIO 181
Institution
ASU BIO 181
ASU BIO 181 EXAM 3 LATEST ACTUAL EXAM 100
QUESTIONS AND CORERCT DETAILED ANSWERS
Excitatory synapses make the post-synaptic cell less likely to fire. - Answer️️ -False
The neural tissues are: - Answer️️ -Spinal cord, sensory neurons, and brain
How do the glial cells (i.e., myelin sheath...
The membrane potential (resting potential) is largely set by the Na-K- ATPase pump. -
Answer✔️✔️-True
Draw an action potential in the axon of a neuron and indicate which ions flow into the
neuron and out of the neuron as the action potential passes at the point where the
electrodes are in the cell. Be sure to assign on the Y-axis the mV of each of these
areas. This should be as described in my lectures. - Answer✔️✔️-
Fast neurons as described in lecture are fast because they are surrounded by a type of
glial cell that results in a myelin coating. - Answer✔️✔️-False
Voltage-gated ion channels open when a protein binds to the receptor. - Answer✔️✔️-
False
The cell body refers to the part of the neurons that begin at the dendrites and extend to
the axon terminal. - Answer✔️✔️-False
Only pre-synaptic neurons are coated with myelin. - Answer✔️✔️-False
The post-synaptic cell can be: - Answer✔️✔️-In glands, muscle cells, neurons
Fast neurons as described in lecture require cytoplasmic signal transduction to open an
ion channel. - Answer✔️✔️-False
Acetylcholine esterase breaks acetylcholine into muscarinic acid - Answer✔️✔️-False
Excitatory synapses cause hyperpolarization of post-synaptic cells. - Answer✔️✔️-False
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