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Unformatted text preview: 100% D. lateral sulcus 0% Score: 0.5/0.5 Feedback 20. striations The types of muscle which exhibit striations are: Student Response A. skeletal muscle B. cardiac muscle C. smooth muscle D. Both 1 and 2 E. Both 2 and 3 Score: Value Feedback 0% 0% 0% 100% 0% 0.5/0.5 1. Impulse enters the T-Tubules What is the next thing which happens after an impulse enters the T tubules? 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. 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% 100% 0% 0% 0% 0% 0% 0% 0% 0% 0% 0/0.5 2. Ca++ binds to troponin C As soon as Ca++ ions are released into the sarcoplasm: Student Response A. Calcium ions enter the axon Value 0% Feedback Student Response 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% 100% 0% 0% 0.5/0.5 3. crossed extensor reflex The crossed extensor reflex consists of: 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 0% B. osteoblast C. osteocyte D. mesenchyme cell 100% 0% 0% Score: 0/0.5 Feedback 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 D. Haversian systems Score: Value Feedback 0% 0% 0% 100% 0.5/0.5 8. atlas-axis The joint between the atlas and axis is a _____ joint with the movem...
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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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