ACTUAL AAET 2025 REGISTRY EXAM QUESTIONS AND CORRECT ANSWERS. VERIFIED EXAM ALREADY GRADED A+.

ACTUAL AAET 2025 REGISTRY EXAM QUESTIONS AND CORRECT ANSWERS. VERIFIED EXAM ALREADY 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 - - ANSWER -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? -- ANSWER - 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. - - ANSWER -SNC, MNC Martin Gruber Anastomosis is seen when there is a: -- ANSWER - Crossover of median fibers to ulnar fibers in the forearm Define Afferent nerves: -- ANSWER - From the periphery to the cord Important muscles innervated by the axillary nerve - - ANSWER -the Deltoids Important muscles in the upper arm that are innervated by the radial nerve -- ANSWER - The triceps Which nerve innervates the posterior thigh, leg muscles, planter foot muscles and skin of the foot -- ANSWER - The tibial nerve Cell bodies of sensory neurons are housed in - - ANSWER -The dorsal root ganglion Which term means the specific region of skin belonging to a single spinal root -- ANSWER - A Dermatome The nerve most likely to be injured in fractures of the medial epicondyle is the: - - ANSWER -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? - - ANSWER -The median nerve What is the name for the neurotransmitter found in the neuromuscular junction - - ANSWER -Acetylcholine The needle examination requrires: - - ANSWER -A relaxed and compliant patient The common peroneal nerve bifucates and becomes the: - - ANSWER -The deep Peroneal and superficial peroneal nerves Muscle of the hypothenar eminace are innervated by the -- ANSWER - ulnar nerve Which nerve innvervates the muscle for tight closure of the eyelids? - - ANSWER -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: -- ANSWER - The common Peroneal nerve And actin filaments are located in the sarcomers and serve to contract or relax a muscle -- ANSWER - 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? - - ANSWER -The deep peroneal nerve The medial plantar nerve is a branch off the: -- ANSWER - 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? - - ANSWER -Median nerve Find the voltage is I=20 Amps and resistance = 10Ohms -- ANSWER - 20 Volts The radial nerve originates from the plexus -- ANSWER - Brachial Plexus A familiar type of monosynaptic reflex that monitors and regulates the length of skeletal muscles is the: -- ANSWER - stretch reflex Herniation of the inter vertebral disc between the fifth and sixth cervical vertebrae will compress the - - ANSWER -The 6th cervical root (C6) If a patient has trouble extending his forearm, wrist, and fingers which nerve is likely damaged? - - ANSWER -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") -- ANSWER - The ulnar nerve What are 3 cranial nerves on which NCS are performed: -- ANSWER - Trigeminal, facial and accessory nerve Is a natural chemical sorting of potassium and sodium ions across the semipermeable membrane surround the nerve cell - - ANSWER -Active transport Define Efferent nerves -- ANSWER - 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 - - ANSWER -Thenar An example of an AIDP is - - ANSWER -Guillain-Barre syndrome The ulnar nerve originates from the nerve roots -- ANSWER - 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? - - ANSWER -Median nerve The ulnar nerve arises from the cervical roots C8-T1, travels through the trunk and medial cord -- ANSWER - Lower Important muscles innervated by the posterior interosseous (radial) nerve are: - - ANSWER -The Extensor indicis Proprius and Extensor digitorum communis (EIP, EDC) The superficial peroneal nerve recieves sensation from: -- ANSWER - The dorsum of the foot The is a pure motor response and can be recorded from any skeletal muscle - - ANSWER -F- wave The major muscle innervation of the medial planter nerve is the: - - ANSWER -The Abductor Hallis The sural nerve receives sensation from the: - - ANSWER -Lateral foot The common units of measure for the stimulation intensity: -- ANSWER - Milliamps (ma) or volts (V) What describes a differential amplifier? -- ANSWER - Measure the difference between two inputs an amplify that difference With regards to equipment power cords the following is true: -- ANSWER - -Must be plugged into 3- prong, grounded electrical outlet -All cords must be tightly connected to the equipment -All power cords should be inspected for frying or damage. The saphenous nerve is the sensory component of the nerve - - ANSWER -The femoral nerve What is true about orthodromic conduction and antidromic conduction - - ANSWER -Othodromic conduction has to do with the normal physiological direction and antidromic has to do with other than the normal physiological direction. What are two chemical that are instrumental in generating the electrical polarity of a nerve? -- ANSWER - Na+ and K+ Find the resistance (R) if V=12volts and I= 100ma - - ANSWER -120Ohms Nerve cell. - - ANSWER -Depolarization threshold The common units of measure for stimulation duration -- ANSWER - Milliseconds (ms) Which choice best describes common mode rejection - - ANSWER -Reject input signals common to both input leads Dorsal ulnar sensory innervation in the hand includes the dorsal surface of: - - ANSWER -1/2 of digit IV and digit V The primary function of a motor nerve is: - - ANSWER -To control skeletal muscles The motor cell bodies are located in the spinal cord in the ventral and ventrolateral gray columns adjacent to the ventral roots. They are also called: - - ANSWER -Anterior horn cells The three components of a synapse are: - - ANSWER -Presynaptic terminal, the synapse and the postsynaptic component. The structure responsible for the sodium and potassium ions switching places across the semipermeable membrane is known as the - - ANSWER -sodium pump Recording the peroneal nerve, the distal motor latency form the ankle is 5.0ms, the latency at the fibular head is 11.0 and the above knee stimulation measures 13.3. The distance from the ankle to the fibular head is 29 (290) cm and the measurements across the knee is 10 (100)cm. What are the two CV measurements. - - ANSWER -48m/s and 43.5 m/s Which nerve is probably damaged if a patient cannot abduct the arm past 25 degrees? - - ANSWER -The Axillary Nerve Innervations of anterior neck muscles, the skin of the neck and the parts of the head and shoulders are branches of which plexus? - - ANSWER -The cervical plexus What are the major nerve(s) of the lower extremities derived from the femoral nerve? - - ANSWER -The saphenous nerve The major muscles innervation of the medial plantar nerve is the: - - ANSWER -Abductor Hallucis (AH) Axontmesis is when the: - - ANSWER -Axons are intact and the myelin is interrupted When stimulating a peripheral nerve during NCS, the stimulation pulse duration is typically started at -- ANSWER - 0.05-1.0ms Cool extremities can cause: - ANSWER -- Increased amp, prolonged LAT, and slower CV Which neuromuscular anatomical can only transmit the impulses in one dirrection? - - ANSWER -The Neuromuscular Junction When performing a facial nerve study a side to side amp drop of 50% is considered a: - - ANSWER -Guarded prognosis