Estrogen d growth hormone e vitamin d3 0 0 0 score 15

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Unformatted text preview: arasympathetic 0% Score: Feedback 0.5/0.5 5. Voltage gated Na+ channels open. As a result of threshold depolarization at the neuromuscular junction, what happens on the adjacent sarcolemma? Student Response A. Calcium ions enter the axon B. Calcium ions enter the sarcoplasm from 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. I. J. K. Score: 6. 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. 0.5/0.5 Value 0% 0% 0% 0% 0% 0% 100% 0% 0% 0% 0% Feedback receptive region criterion The criterion for an area being the neuron receptive region is: Student Response A. possessing chemically-gated ion channels B. possessing voltage-gated ion channels C. having both chemically-gated and voltage-gated ion channels D. being able to propagate an action potential Score: Value 100% 0% 0% Feedback 0% 0/0.5 7. septum pellucidum The _____ covers the entrance to the lateral ventricle. Student Response A. septum pellucidum Value 100% B. fornix C. choroid plexus D. arbor vitae 0% 0% 0% Score: Feedback 0.5/0.5 8. All ribs articulate with the: All ribs articulate with the: Student Response A. thoracic vertebrae B. sternum C. lumbar vertebrae D. Both answers 1 and 2 Score: 0/0.5 10. hyperpolarization Value 100% 0% 0% 0% Feedback Opening of the chemically-gated K+ channels would produce: Student Response A. depolarization B. hyperpolarization 0% 0% C. D. E. F. 0% 0% 0% 100% EPSP IPSP Both #1 and #3. Both #2 and #4. Score: Value Feedback 0/0.5 11. series elastic elements The series elastic elements of a muscle are composed of the various connective tissues and proteins including the protein _____. Student Response Value A. myosin B. actin C. titin D. collagen 0% 0% 100% 0% E. elastin Feedback 0% Score: 0/0.5 12. connective sheath The _____ surrounds a muscle and fuses with a tendon or aponeurosis. Student Response A. epimysium B. perimysium C. endomysium D. retinaculum Score: Value 100% Feedback 0% 0% 0% 0.5/0.5 13. 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 temporal summation A. Value 100% B. C. D. E. 0% 0% 0% 0% spatial summation action potential All of the above. #1 and #3 only. Score: Feedback 0.5/0.5 14. Ossification Ossification begins at about _____ in the developing embryo. A. 4 weeks B. 8 weeks Student Response Value 0% 100% C. birth D. 1.5 to 2 years after birth 0% 0% Score: Feedback 0.5/0.5 15. Shifting of the troponin-tropomyosin complex. As a direct result of Ca+2 binding to troponin: Student Response A. Calcium ions enter the axon B. Calcium ions are pumped back into 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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