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Unformatted text preview: s 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. Value 0% 0% Feedback Student Response 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: 13. Value Feedback 0% 0% 0% 0% 0% 0% 100% 0% 0% 0.5/0.5 Uptake of ATP by myosin heads. Which event is required for detachment of the crossbridges? 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: 14. Value Feedback 0% 0% 0% 0% 0% 0% 0% 0% 0% 100% 0% 0.5/0.5 series elastic elements The series elastic elements of a muscle are composed of the various connective tissues and proteins including the protein _____. Student Response A. B. C. D. myosin actin titin collagen E. elastin Score: 0/0.5 Value 0% 0% 100% 0% 0% Feedback 15. glossopharyngeal nerve The autonomic function of the glossopharyngeal nerve is: Student Response A. sensory from taste buds B. sensory from baroreceptors in carotid sinus C. motor to muscles of swallowing D. motor to salivary glands E. all of the above F. #1 and #3 G. #2 and #4 Score: 16. Value Feedback 0% 0% 0% 0% 0% 0% 100% 0.5/0.5 temporal summation If one input to a reflex releases a depolarizing neurotransmitter with a high frequency it could result in _____ at the receptive region of the receiving neuron. Student Response A. temporal summation Value 100% B. C. D. E. 0% 0% 0% 0% spatial summation action potential All of the above. #1 and #3 only. Score: 17. Feedback 0.5/0.5 Hierarchy Organs are groupings composed of _____ which work together. Student Response Value A. cells B. tissues 0% 100% C. organelles D. organ systems E. macromolecules 0% 0% 0% Score: 18. Feedback 0.5/0.5 multipolar neuron A multipolar neuron has: Student Response A. Many dendrites and axons attached to the cell body. B. Many dendrites and only one axon attached to the cell body. C. One dendrite and many axons attached to the cell body D. One process attached to the cell body. Score: 0.5/0.5 Value 0% 100% 0% 0% Feedback 19. sept...
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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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