0 maximum possible score 10 1 crossed extensor reflex

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Unformatted text preview: nnective tissue B. elastic connective tissue Value 0% 100% C. fibrous connective tissue D. dense irregular connective tissue 0% 0% Score: 11. Feedback 0.5/0.5 Binding of the ACh to the post-synaptic receptors. What event causes opening of the chemically-gated Na+ channels? A. B. C. D. Student Response Calcium ions enter the axon Calcium ions are pumped back into the sarcoplasmic reticulum. Acetylcholine is released into the synaptic cleft by exocytosis. Acetylcholine binds to post-synaptic receptors on the sarcolemma. Value 0% 0% 0% 100% Feedback Student Response 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. 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: 12. Value Feedback 0% 0% 0% 0% 0% 0% 0% 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 A. single unit smooth muscle B. multi-unit smooth muscle Value 100% 0% C. sphincter muscle 0% Score: 13. Feedback 0/0.5 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: 14. Value Feedback 0% 0% 0% 0% 0% 0% 0% 0% 0% 100% 0% 0.5/0.5 multipolar neuron A multipolar neuron has: Student Response Value A. Many dendrites and axons attached to the 0% cell body. Feedback Student Response Value B. Many dendrites and only one axon 100% attached to the cell body. C. One dendrite and many axons attached to 0% the cell body 0% D. One process attached to the cell body. Score: 15. Feedback 0/0.5 Ossification Ossification begins at about _____ in the developing embryo. A. 4 weeks B. 8 weeks C. birth Student Response Value 0% 100% 0% D. 1.5 to 2 years after birth 0% Score: 16. Feedback 0/0.5 haversian systems Spongy bone lacks: Student Response A. osteocytes B. lacunae C. blood vessels D. Haversian systems Score: 17. Value 0% 0% 0% 100% Feedback 0.5/0.5 The first location of ossification in long bones The first location of ossification in long bones is the: Student Response A. diaphysis bone collar B. epiphyseal plate C. proximal epiphysis Value 100% 0% 0% D. distal epiphysis 0% Score: 18. Feedback 0/0.5 Wernicke's area The area said to represent intel...
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