BIOS 252 Unit 4 Midterm Review

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Question: T Tubules are extensions of the _____ in skeletal muscle? Question: CN III innervates with of of the following muscle? Question: The brain and spinal chord are part of the ______ nervous s... ystem? Question: A wheelbarrow is an example of a _______ class lever? Question: The muscle contraction pulling on its insertion point, corresponds to what part of the lever system? Question: A synovial joint corresponds to what part of the lever stem? Question: When would voltage-gated Sodium channels open rapidly? Question: Which of the following muscle closes the lips? Question: Synergists prevent unwanted movements during an action, or aid the agonist during the movement. Question: EPSP stands for _________ Question: EPSPs occur when ______ Question: The Platysma muscle is a muscle of mastication Question: The type of muscle contraction where the muscle contracts but exhibits no change in length is called Question: Calcium is released from the SR when an action potential opens gated ion channels located in the Question: The neurotransmitter found at synapses between the motor neurons and human skeletal muscles, or at the neuromuscular junction is ________ Question: The neurotransmitters that function primarily in the CNS are dopamine and serotonin Question: A propagated change in the membrane potential of part of the cell membrane is an action potential Question: A chemical synapse is most likely to dominate which system? [Show More]

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