Quiz 2 - Selected Answer: Correct Answer: Questio n 7 2 out...

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Quest ion 1 0 out of 2 points During a stretch reflex, the antagonist muscle are inhibited. This is called ___. Selected Answer: Correct Answer:
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Questio n 2 2 out of 2 points The musculocutaneous nerve innervates the ___ muscle(s). Selected Answer: Correct Answer: Questio n 3 2 out of 2 points The soma of the alpha motor neurons are located in the ___ portion of the spinal cord. Selected Answer: Correct Answer: Question 4 2 out of 2 points 1. The plantar flexor muscles are innervated by the ___ nerve. Selected Answer: tibial Correct Answer: tibial Questio n 5 2 out of 2 points Myasthenia gravis is characterized by muscle weakness. This is probably caused by ___. Selected Answer:
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Questio n 5 2 out of 2 points diminished acetylcholine receptor density at the neuromuscular junction Correct Answer: diminished acetylcholine receptor density at the neuromuscular junction Questio n 6 2 out of 2 points A motor unit is defined as ___.
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Unformatted text preview: Selected Answer: Correct Answer: Questio n 7 2 out of 2 points The size principle of motor unit recruitment holds for virtually all species and all type of contractions except ___. Selected Answer: Correct Answer: Questio n 8 2 out of 2 points Which type of motor neuron has the lowest "activation threshold"? Questio n 8 2 out of 2 points Selected Answer: Correct Answer: Questio n 9 2 out of 2 points Striking your "funny bone" (i.e. the medial side of the elbow) often results in tingling, numbness and/or weakenss of the hand on the side of fingers 4 and 5. This probably is due to compression or damage to the ___ nerve. Selected Answer: Correct Answer: Question 10 2 out of 2 points According to the size principle of motor unit recruitment, which motor units are recruited during a maximal contraction? Selected Answer: Correct Answer:...
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Quiz 2 - Selected Answer: Correct Answer: Questio n 7 2 out...

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