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AAET registry exam/139 Questionswith solved Answers/ 2023-2024.
When the synaptic vesicles are electrically stimulated by a nerve impulse, synaptic
vesicles gravitate to the outer membrane of the presynaptic wall and release
acetylcholine into the synaptic cleft. The Ach molecules migrate to the postsynaptic cells
where they attach to the specific receptors. When enough neurotransmitters are
received by the receptors to overcome the firing threshold a CMAP is generated causing
muscle contraction. This describes - -The events that occur in the Neuromuscular
Junction
-What happens to the neurotransmitters after they have attached themselves to
receptors and generated the muscles to contract? - -They are chemically broken down
by enzymes and recycled back to the presynaptic terminals
-Maximal stimulation is appropriate for _______, while supramaximal stimulation
(not over stimulation) is necessary in ________recordings. - -SNC, MNC
-Martin Gruber Anastomosis is seen when there is a: - -Crossover of median fibers to
ulnar fibers in the forearm
-Define Afferent nerves: - -From the periphery to the cord
-Important muscles innervated by the axillary nerve - -the Deltoids
-Important muscles in the upper arm that are innervated by the radial nerve - -The
triceps
-Which nerve innervates the posterior thigh, leg muscles, planter foot muscles and skin
of the foot - -The tibial nerve
, -Cell bodies of sensory neurons are housed in - -The dorsal root ganglion
-Which term means the specific region of skin belonging to a single spinal root - -A
Dermatome
-The nerve most likely to be injured in fractures of the medial epicondyle is the: - -
Ulnar nerve
-After a time when a motor nerve to a muscle is sectioned the muscles atrophy. If you
notice that the thenar muscles are atrophied which nerve is suspected of injury? - -The
median nerve
-What is the name for the neurotransmitter found in the neuromuscular junction - -
Acetylcholine
-The needle examination requrires: - -A relaxed and compliant patient
-The common peroneal nerve bifucates and becomes the: - -The deep Peroneal and
superficial peroneal nerves
-Muscle of the hypothenar eminace are innervated by the______ - -ulnar nerve
-Which nerve innvervates the muscle for tight closure of the eyelids? - -The facial nerve
-A nerve that ca frequently be compressed against the bony structures in the lower limb,
the nerve that rests against the head and neck of the fibula is the: - -The common
Peroneal nerve
-________ and actin filaments are located in the sarcomers and serve to contract or
relax a muscle - -Myosin filaments
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