Sarcoplasmic reticulum b troponin c c myosin d all of

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Unformatted text preview: Muscle relaxation in the initiating muscle and reciprocal inhibition. D. Muscle relaxation in the initiating muscle and reciprocal activation. Score: 4. 0% 0% 0% 0/0.5 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. Binding of calcium ions to Troponin C. J. Uptake of ATP by the myosin heads. Value 0% 0% 0% 0% 0% 0% 0% 0% 100% 0% Feedback Student Response K. Attachment of actin-myosin crossbridges and swiveling of the myosin heads. Score: 5. Value Feedback 0% 0.5/0.5 relative refractory period The period during which the trigger region is effectively inhibited but not prevented from generating an action potential is the: Student Response absolute refractory period relative refractory period period of depolarization period of hyperpolarization Both answers 1 and 3 F. Both answers 2 and 4 A. B. C. D. E. Score: 6. Value 0% 0% 0% 0% 0% 100% Feedback 0.5/0.5 myeloid tissue the myeloid tissue responsible for hematopoiesis is found in the: Student Response A. Sharpey's fibers B. red marrow Value 0% 100% C. yellow marrow D. periosteum 0% 0% Score: 7. Feedback 0.5/0.5 melanoma The most agressive skin cancer is: Student Response A. malignant melanoma B. squamous cell carcinoma C. basal cell carcinoma Score: 8. Value 100% 0% 0% Feedback 0/0.5 smooth muscle The type of smooth muscle in which an impulse passes through a large number of cells which subsequently contract in synchrony is: Student Response single unit smooth muscle A. Value 100% B. multi-unit smooth muscle C. sphincter muscle 0% 0% Score: 9. 0.5/0.5 Exocytosis of ACh into the synaptic cleft. As soon as Ca++ ions enter the axon: Feedback 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. 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: 10. Value Feedback 0% 0% 100% 0% 0% 0% 0% 0% 0% 0% 0% 0.5/0.5 pupilary dilation The receptors which produce pupilary dilation are: Student Response A. cholinergic, nicotinic B. cholinergic, muscarinic C. adrenergic, alpha Value 0% 0% 100% D. adrenergic, beta 0% Score: 11. Feedback 0.5/0.5 anterior fontanel The large anterior fontanel hardens at: Student Response 1.5 to 2 years after birth A. Value...
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