Breakdown of ach by achase 0 0 0 0 100 g h i j k

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Unformatted text preview: uscle cell. Opening of the chemically-gated sodium channels. Opening of the voltage-gated sodium channels. 0% 0% 0% 0% 0% 100% H. I. J. K. 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% 0% 0% 0% Score: 0/0.66 14. What event causes depolarization of the sarcolemma at the neuromuscular junction? 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. 0% 0% 0% 0% E. Na+ moves across the sarcolemma out of the muscle cell. F. Opening of the chemically-gated sodium channels. 0% 100% G. H. I. J. K. 0% 0% 0% 0% 0% Score: Opening of the voltage-gated sodium channels. 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. 0/0.66 15. Which of the following binds calcium ions: Value Correct Answer A. sarcoplasmic reticulum Student Response Value 50% B. troponin C 50% C. myosin D. all of the above E. 1 and 2, but not 3 0% 0% 100% Score: Correct Answer 0.66/0.66 15. Which of the following binds calcium ions: A. sarcoplasmic reticulum Student Response Value 50% B. troponin C 50% C. myosin D. all of the above E. 1 and 2, but not 3 0% 0% 100% Score: Correct Answer 0.66/0.66 1. The receptive region of a multipolar neuron would include: A. the dendrites B. the cell body C. the axon hillock D. all of the above Student Response Value 0% 0% 0% 100% E. #1 and #2 only 0% Score: Correct Answer 1/1 2. Which of the following tracts is responsible for conscious sensations? Student Response A. spinocerebellar tract B. Fasciculus cuneatus and fasciculus gracilis C. spinothalamic tract D. both #2 and #3 Score: 3. 1/1 Value 0% 0% 0% 100% Correct Answer An epidural injection of anesthetic would be administered: A. outside the dura mater Student Response Value 100% B. between the dura mater and arachnoid C. in the subdural space D. in the central canal of the spinal cord 0% 0% 0% Score: Correct Answer 1/1 4. A tract with the name vestibulospinal would be: Student Response A. ascending and sensory B. ascending and motor C. descending and sensory D. descending and motor Score: Value Correct Answer 0% 0% 0% 100% 1/1 5. Which of the following tracts has first order, second order, and third order neurons? Student Response A. spinocerebellar tract B. Fasciculus cuneatus and fasciculus gracilis C. spinothalamic tract D. both #2 and #3 Score: Value Correct Answer 0% 0% 0% 100% 1/1 6. The criterion for an area being the neuron receptive region is: Student Response possessing chemically-gated ion channels A. Value 100% B. possessing voltage-gated ion channels C. having both chemically-gated and voltage-gated ion channels D. being able to propagate an action potential 0% 0% 0% Score: 7....
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