D the receptive region 0 score feedback 0 0505 3

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Unformatted text preview: 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: 0.5/0.5 3. crossed extensor reflex The crossed extensor reflex consists of: 0% 0% 0% 0% 0% 0% 0% 0% 100% 0% 0% Student Response A. A withdrawal reflex on one side of the body and a stretch reflex on the other side. B. A withdrawal reflex on one side of the body and a tendon reflex on the other side. C. A withdrawal reflex on one side of the body and extension on the other side. D. A withdrawal reflex on one side of the body and a flexor reflex on the other side. Score: Value Feedback 0% 0% 100% 0% 0/0.5 5. cell hierarchy The cell derived from osteoprogenitor cels which produces ossification is the: Student Response Value A. osteoclast B. osteoblast C. osteocyte D. mesenchyme cell Feedback 0% 100% 0% 0% Score: 0/0.5 6. 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: Feedback 0.5/0.5 7. haversian systems Spongy bone lacks: Student Response A. osteocytes B. lacunae C. blood vessels Value 0% 0% 0% Feedback Student Response Haversian systems D. Score: Value 100% Feedback 0.5/0.5 8. atlas-axis The joint between the atlas and axis is a _____ joint with the movement performed called _____. Student Response A. uniaxial, circumduction B. uniaxial, rotation Value 0% 100% C. biaxial, circumduction D. biaxial, rotation 0% 0% Score: Feedback 0.5/0.5 9. Uptake of ATP by myosin heads. Which event is required for detachment of the crossbridges? 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. Breakdown of ACh by AChase. G. Opening of the voltage-gated sodium channels. H. Opening of potassium channels. I. The troponin-tropomyosin complex shifts, exposing the active sites on actin. J. Uptake of ATP by the myosin heads. K. Attachment of actin-myosin crossbridges and swiveling of the myosin heads. Score: 0.5/0.5 10. Positive feedback Value 0% 0% 0% 0% 0% 0% 0% 0% 0% 100% 0% Feedback A process which requires rapid response will usually utilize: Student Response A. Negative feedback B. Positive feedback Value 0% 100% C. Neural controls D. Hormonal Controls 0% 0% Score: Feedback 0.5/0.5 11. voltage-gated ion channels Threshold depolarization will result in an action potential when it occurs at: Student Response A. chemically-gated ion channels only B. voltage-gated ion channels only Value 0% 100% C. Both chemically-gated and voltage-gated ion channels. D. The receptive region. 0% Score: Feedback 0% 0.5/0.5 12. Binding of the ACh to the post-synaptic...
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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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