Calcitonin b parathyroid hormone c estrogen d growth

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Unformatted text preview: h control the heart, respiratory muscle contraction, and vascular smooth muscle are located in the: Student Response medulla oblongata A. Value 100% B. C. D. E. 0% 0% 0% 0% Score: pons varoli pineal body midbrain corpora quadrigemia 0.5/0.5 9. Corpora quadrigemina Reflexes such as blinking and pupilary reflex is centered in the: Feedback Student Response A. visual cortex B. visual association area C. superior colliculi of corpora quadrigemina Value 0% 0% 100% D. the pineal body 0% Score: Feedback 0.5/0.5 10. 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. K. Attachment of actin-myosin crossbridges and swiveling of the myosin heads. Score: Value Feedback 0% 0% 0% 0% 0% 0% 0% 0% 100% 0% 0% 0.5/0.5 11. Action potential An action potential is generated on the sarcolemma by which event of the following: 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 out of the muscle cell. F. Opening of the chemically-gated sodium channels. Value 0% 0% 0% 0% 0% 0% Feedback Student Response Value Opening of the voltage-gated sodium channels. 100% G. H. I. J. K. Score: Opening of potassium channels. Binding of calcium ions to Troponin C. Uptake of ATP by the myosin heads. Attachment of actin-myosin crossbridges and swiveling of the myosin heads. Feedback 0% 0% 0% 0% 0.5/0.5 12. contractile elements In the structural hierarcy of a muscle, each cell is filled with contractile structures called: Student Response Value A. myofilaments B. myofibrils 0% 100% C. myofibers D. myosin Feedback 0% 0% Score: 0.5/0.5 13. 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: Value 0% 0% 0% 0% 0% 100% Feedback 0.5/0.5 14. pons The brain center which mediates functions which are part voluntary and part involuntary is: Student Response A. thalamus B. hypothalamus Value 0% 0% Feedback Student Response C. substantia nigra D. basal nuclei E. pons Score: Value 0% 0% 100% Feedback 0.5/0.5 \ 16. first, second, and third order neurons Which of the follow...
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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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