As a direct result of ca2 binding to troponin student

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Unformatted text preview: Response Value Feedback A. Calcium ions enter the axon 0% B. Calcium ions enter the sarcoplasm from 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. 0% E. Na+ moves across the sarcolemma into the muscle cell. 0% F. Opening of the chemically-gated sodium channels. 0% G. Opening of the voltage-gated sodium channels. 0% Student Response H. Opening of potassium channels. 100% 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: 0.5/0.5 18. temporal bone Match the parts of the temporal bone with the letters. temporal.jpg external acoustic meatus styloid process mastoid process zygomatic process mandibular fossa C B E A D Statement Response external acoustic meatus A styloid process E 20.0% mastoid process B 20.0% zygomatic process D 20.0% mandibular fossa C 20.0% Score: 0.5/0.5 Value 20.0% 19. osteoporosis Insufficient _____ is associated with osteoporosis. Student Response Value Feedback A. calcitonin 0% Student Response B. Vitamin D3 100% C. growth hormone 0% D. estrogen 100% E. weight bearing exersize 0% F. All of the above 0% 0% G. Score: Answers 2, 4 and 5 only. 0.5/0.5 100% 20. Breakdown of ACh by Achase Which event, required for continued function of the neuromuscular junction, is prevented by certain pesticide and nerve gas poisons? 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% D. Acetylcholine binds to post-synaptic receptors on the sarcolemma. 0% E. Na+ moves across the sarcolemma into the muscle cell. 0% Student Response F. Breakdown of ACh by AChase. 100% 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. 0% K. Attachment of actin-myosin crossbridges and swiveling of the myosin heads. 0% Score: 0.5/0.5 View Attempt 31 of unlimited Title: Alternate Substitute Quiz Started: December 7, 2008 4:54 PM Submitted: December 7, 2008 5:10 PM Time spent: 00:16:54 Total score: 10/10 = 100% Total score adjusted by 0.0 Maximum possible score: 10 1. epiphyseal plate The last location within a long bone of cartilage formation is: Student Response Value Feedback A. bone collar 0% Student Response B. epiphyseal plate 100% C. medullary canal 0% D. trochanter 0% Score: 0.5/0.5 2. spinocerebellar tract Which of the following tracts does not send impulses ultimately to the cerebral cortex? Student Response Value Feedback Student Response A. spinocerebellar tract 100% B. Fasciculus cuneatus and fasciculus gracilis 0% C. spinothalamic tract 0% D. both #2 and #3 0% Score: 0.5/0.5 3. relative refractory period The period during which th...
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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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