Voltage gated ion channels 100 c the t tubules 0 d

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Unformatted text preview: m ions are pumped back into the sarcoplasmic reticulum. 0% C. Acetylcholine is released into the synaptic cleft by exocytosis. 0% D. Acetylcholine binds to post-synaptic receptors on the sarcolemma. 100% E. Na+ moves across the sarcolemma into the muscle cell. 0% F. Breakdown of ACh by AChase. 0% G. Opening of the voltage-gated sodium channels. 0% Student Response H. Opening of potassium channels. 0% I. Binding of calcium ions to Troponin C. 0% J. Uptake of ATP by the myosin heads. 0% K. Attachment of actin-myosin crossbridges and swiveling of the myosin heads. Score: 0/0.5 13. thigh movement Movement in which the thigh is raised toward the abdomen is _____ of the hip. Student Response Value Feedback Student Response A. flexion 100% B. extension 0% C. abduction 0% D. adduction 0% Score: 0.5/0.5 14. septum pellucidum The _____ covers the entrance to the lateral ventricle. Student Response Value Feedback A. septum pellucidum 100% Student Response B. fornix 0% C. choroid plexus 0% D. arbor vitae 0% Score: 0/0.5 0% 15. multipolar neuron A multipolar neuron has: Student Response Value Feedback A. Many dendrites and axons attached to the cell body. 0% Student Response B. Many dendrites and only one axon attached to the cell body. C. One dendrite and many axons attached to the cell body 0% D. One process attached to the cell body. 0% Score: 0.5/0.5 100% 16. Uptake of ATP by myosin heads. Which event is required for detachment of the crossbridges? Student Response Value Feedback A. Calcium ions enter the axon 0% B. Calcium ions are pumped back into the sarcoplasmic reticulum. 0% C. Acetylcholine is released into the synaptic cleft by exocytosis. 0% Student Response D. Acetylcholine binds to post-synaptic receptors on the sarcolemma. E. Na+ moves across the sarcolemma into the muscle cell. 0% F. Breakdown of ACh by AChase. 0% G. Opening of the voltage-gated sodium channels. 0% H. Opening of potassium channels. 0% I. The troponin-tropomyosin complex shifts, exposing the active sites on actin. 0% J. Uptake of ATP by the myosin heads. 100% K. Attachment of actin-myosin crossbridges and swiveling of the myosin heads. 0% Score: 0/0.5 17. facilitation Prior sub-threshold depolarization of a reflex pathway produces: Student Response Value Feedback A. facilitation 100% B. inhibition 0% Student Response C. divergence 0% D. convergence 0% Score: 0/0.5 18. receptive region criterion The criterion for an area being the neuron receptive region is: Student Response Value Feedback A. possessing chemically-gated ion channels 100% B. possessing voltage-gated ion channels 0% C. having both chemically-gated and voltage-gated ion channels Student Response D. being able to propagate an action potential Score: 0/0.5 19. Function of multipolar neurons Multipolar neurons function as: Student Response Value Feedback A. spinal and cranial nerve sensory neurons B. spinal and cranial nerve motor neurons C. spinal and cranial interneurons 0% 0% 0% 0% 0% 0% D. all of the above Student Respon...
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