QUESTIONS AND VERIFIED /CAPCO EXAM GRADED
A+
True or False
Acetylcholine exocytosed from the presynaptic cell travels to the post synaptic cell to start the action
potential in the post synaptic cell
True
The neural tissues are ....
spinal cord, sensory neurons, and brain
True or False
Acetylcholine esterase breaks acetycholin into muscarinic acid
False
True or False
The receptors in post synaptic cells are the basis on which the synapse can be defined as inhibitory
and excitatory
False
The action potential is ...
a result of the movement of ions
True or False
The cell body refers to the part of the neurons that begin at the dendrites and extend to the axon
terminal
False
True or False
The membrane potential (resting potential) is largely set by the Na-K ATPase pump
True
True or False
The axon from a presynaptic cell contacts the axon of another neuron
False
In the motor end plate, the event that is the immediate trigger for exocyotosis is ....
Calcium ions
, True or False
Potassium ions are at a high concentration inside of cells including neurons
True
True or False
Fast neurons as described in lecture are fast because they are surrounded by a type of glial cell that
results in a myelin coating
False
The terminal web is ...
the site of exocytosis
True or False
Excitatory synapses cause depolarization of the post synaptic cell
True
True or False
Excitatory synapses casue hyperpolarization of the post synaptic cell
False
True or False
Voltage-gated ion channels open when a protein binds to the receptor
False
The post synaptic cell can be...
in glands, muscle cells and neurons
True or False
The axon hillock in the presynaptic neuron fire based on temporal and spatial summation of inputs
True
True or False
Fast neurons as decribed in lecture require cytoplasmic signal transduction to open ion channel
False
True or False
Excitatory synapses make the post synaptic cell less likely to fire
False
True or False
Receptors are made from the membrane bound polyribosomes
True