Nerve Conduction Practice Questions with complete Solutions Graded A+
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Course
The Nerve Conduction Association
Institution
The Nerve Conduction Association
Nerve Conduction Practice Questions with complete Solutions Graded A+
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...
AAET Registry Practice Questions with complete Solutions Graded A+
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 - Answers 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? - Answers 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. - Answers SNC, MNC
Martin Gruber Anastomosis is seen when there is a: - Answers Crossover of median fibers to ulnar fibers
in the forearm
Define Afferent nerves: - Answers From the periphery to the cord
Important muscles innervated by the axillary nerve - Answers the Deltoids
Important muscles in the upper arm that are innervated by the radial nerve - Answers The triceps
Which nerve innervates the posterior thigh, leg muscles, planter foot muscles and skin of the foot -
Answers The tibial nerve
Cell bodies of sensory neurons are housed in - Answers The dorsal root ganglion
Which term means the specific region of skin belonging to a single spinal root - Answers A Dermatome
The nerve most likely to be injured in fractures of the medial epicondyle is the: - Answers 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? - Answers The median nerve
What is the name for the neurotransmitter found in the neuromuscular junction - Answers Acetylcholine
The needle examination requrires: - Answers A relaxed and compliant patient
The common peroneal nerve bifucates and becomes the: - Answers The deep Peroneal and superficial
peroneal nerves
Muscle of the hypothenar eminace are innervated by the______ - Answers ulnar nerve
Which nerve innvervates the muscle for tight closure of the eyelids? - Answers 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: - Answers The common Peroneal nerve
________ and actin filaments are located in the sarcomers and serve to contract or relax a muscle -
Answers Myosin filaments
A quick way to check the function of one of the nerves of the leg is to pinch the skin between the big toe
and 2nd toe which nerve is being checked? - Answers The deep peroneal nerve
The medial plantar nerve is a branch off the: - Answers Tibial nerve
The signs and symptoms of carpal tunnel syndrome may vary among patients, but they always result
from compression of what structure in the carpal canal? - Answers Median nerve
Find the voltage is I=20 Amps and resistance = 10Ohms - Answers 20 Volts
The radial nerve originates from the _________ plexus - Answers Brachial Plexus
A familiar type of monosynaptic reflex that monitors and regulates the length of skeletal muscles is the:
- Answers stretch reflex
Herniation of the inter vertebral disc between the fifth and sixth cervical vertebrae will compress the -
Answers The 6th cervical root (C6)
If a patient has trouble extending his forearm, wrist, and fingers which nerve is likely damaged? -
Answers The radial nerve
Which nerve is most likely to be injured by fractures or dislocations of the elbow ( or by an extra hit to
the "funny bone") - Answers The ulnar nerve
What are 3 cranial nerves on which NCS are performed: - Answers Trigeminal, facial and accessory nerve
________ is a natural chemical sorting of potassium and sodium ions across the semipermeable
membrane surround the nerve cell - Answers Active transport
Define Efferent nerves - Answers From the brain and cord to the periphery
The important muscles ( APB, opponens pollis bravis, and flexor pollis brevis) innvervated by the median
nerve in the hand and collectively are called the ________ muscles - Answers Thenar
An example of an AIDP is - Answers Guillain-Barre syndrome
The ulnar nerve originates from the ________ nerve roots - Answers C8-T1
Numbness to the skin on the lateral half of the palm of the hand would be caused by a lesion to which
nerve? - Answers Median nerve
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