Sensory from taste buds b sensory from baroreceptors

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Unformatted text preview: ing tracts has first order, second order, and third order neurons? Student Response A. spinocerebellar tract B. Fasciculus cuneatus and fasciculus gracilis C. spinothalamic tract D. both #2 and #3 Score: Value 0% 0% 0% 100% Feedback Value Feedback 0.5/0.5 17. Shifting of the troponin-tropomyosin complex. As a direct result of Ca+2 binding to troponin: Student Response A. Calcium ions enter the axon B. Calcium ions are pumped back into the sarcoplasmic reticulum. C. Acetylcholine is released into the synaptic cleft by exocytosis. D. Acetylcholine binds to post-synaptic receptors on the sarcolemma. E. Na+ moves across the sarcolemma into the muscle cell. F. Breakdown of ACh by AChase. G. Opening of the voltage-gated sodium channels. H. Opening of potassium channels. I. The troponin-tropomyosin complex shifts, exposing the active sites on actin. J. Uptake of ATP by the myosin heads. K. Attachment of actin-myosin crossbridges and swiveling of the myosin heads. Score: 18. 0.5/0.5 0% 0% 0% 0% 0% 0% 0% 0% 100% 0% 0% septum pellucidum The _____ covers the entrance to the lateral ventricle. Student Response A. septum pellucidum Value 100% B. fornix C. choroid plexus D. arbor vitae 0% 0% 0% Score: Feedback 0.5/0.5 19. Ca<sup>+2</sup> release Ca+2 is released into the sarcoplasm when an action potential stimulates the: Student Response A. sarcolemma B. T-tubules C. sarcoplasmic reticulum Value 0% 0% 100% D. myosin heads 0% Score: Feedback 0.5/0.5 20. facilitation Prior sub-threshold depolarization of a reflex pathway produces: A. facilitation Student Response Value 100% B. inhibition C. divergence D. convergence 0% 0% 0% Score: Feedback 0.5/0.5 1. Impulse enters the T-Tubules What is the next thing which happens after an impulse enters the T tubules? Student Response A. Calcium ions enter the axon B. Calcium ions enter the sarcoplasm from the Value 0% 100% Feedback Student Response sarcoplasmic reticulum. C. Acetylcholine is released into the synaptic cleft by exocytosis. D. Acetylcholine binds to post-synaptic receptors on the sarcolemma. E. Na+ moves across the sarcolemma into the muscle cell. F. Opening of the chemically-gated sodium channels. G. Opening of the voltage-gated sodium channels. H. Opening of potassium channels. I. Binding of calcium ions to Troponin C. J. Uptake of ATP by the myosin heads. K. Attachment of actin-myosin crossbridges and swiveling of the myosin heads. Score: Value Feedback Value Feedback 0% 0% 0% 0% 0% 0% 0% 0% 0% 0/0.5 2. Ca++ binds to troponin C As soon as Ca++ ions are released into the sarcoplasm: Student Response A. Calcium ions enter the axon B. Calcium ions are pumped back into the sarcoplasmic reticulum. C. Acetylcholine is released into the synaptic cleft by exocytosis. D. Acetylcholine binds to post-synaptic receptors on the sarcolemma. E. Na+ moves across the sarcolemma into the muscle cell. F. Opening of the chemically-gated sodium channels. G. Opening of the voltage-gated sodium channels. H. Opening of potassium channels. I....
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This note was uploaded on 01/29/2013 for the course BIOL 239 taught by Professor Swan during the Fall '12 term at New Mexico.

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