Score value 100 feedback 0505 15 negative feedback in

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Unformatted text preview: he diagram of the epidermis. (Click on the word "diagram") The layer missing from thin skin. D The layer which constantly exfoliates. E Its cells contain numerous keratin filaments. A This layer undergoes constant mitosis. C Its cells contain dense keratin granules. B Statement The layer missing from thin skin. The layer which constantly exfoliates. Its cells contain numerous keratin filaments. This layer undergoes constant mitosis. Its cells contain dense keratin granules. Score: 14. Response B A D E C Value 20.0% 20.0% 20.0% 20.0% 20.0 % 0.5/0.5 spongy bone The spaces in spongy bone are initially filled with: Student Response A. Sharpey's fibers B. red marrow Value 0% 100% C. yellow marrow D. periosteum 0% 0% Score: 15. Feedback 0.5/0.5 Voltage gated Na+ channels open. As a result of threshold depolarization at the neuromuscular junction, what happens on the adjacent sarcolemma? Student Response Value A. Calcium ions enter the axon 0% B. Calcium ions enter the sarcoplasm from 0% the sarcoplasmic reticulum. C. Acetylcholine is released into the synaptic 0% cleft by exocytosis. D. Acetylcholine binds to post-synaptic 0% receptors on the sarcolemma. E. Na+ moves across the sarcolemma into 0% the muscle cell. F. Opening of the chemically-gated sodium 0% channels. 100% G. Opening of the voltage-gated sodium channels. H. Opening of potassium channels. 0% I. Binding of calcium ions to Troponin C. 0% J. Uptake of ATP by the myosin heads. 0% K. Attachment of actin-myosin crossbridges 0% and swiveling of the myosin heads. Score: 16. Feedback 0.5/0.5 first cell in bone remodeling The cell which initiates the process of remodeling in adult bone: Student Response A. osteoclast B. osteoblast Value 100% 0% C. osteocyte 0% Feedback Student Response D. mesenchyme cell Value Feedback Student Response A. pre-motor cortex B. basal nuclei C. pre-central gyrus Value 0% 0% 100% Feedback D. post-central gyrus E. pre-frontal lobes 0% 0% Score: 18. 0% 0/0.5 pre-central gyrus The upper motor neurons originate in the: Score: 19. 0.5/0.5 receptive region location The receptive region of a multipolar neuron would include: Student Response A. the dendrites B. the cell body C. the axon hillock D. all of the above Value 0% 0% 0% 100% E. #1 and #2 only 0% Score: 20. Feedback 0.5/0.5 vascularization Which of the following tissues is well vascularized and experiences true parenchymal repair? Student Response bone adipose cartilage all of the above E. Answers 1 and 2, but not 3. A. B. C. D. Score: 0.5/0.5 1. Curare Curare acts as a muscle relaxant by competing with this process: Value 0% 0% 0% 0% 100% Feedback 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 binding 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...
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