Many dendrites and axons attached to the cell body 0 b

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Unformatted text preview: Response A. temporal summation B. spatial summation C. action potential D. All of the above. E. #1 and #3 only. Score: Value 0% 100% 0% 0% 0% 1/1 7. A small local depolarization or hyperpolarization is known as: Student Response Value A. EPSP B. IPSP C. graded potential D. all of the above 0% 0% 0% 100% E. #1 and #2 only. 0% Score: 1/1 8. Prior sub-threshold depolarization of a reflex pathway produces: Student Response A. facilitation B. inhibition C. divergence D. convergence Score: Value 100% 0% 0% 0% 1/1 9. When a stretch reflex is initiated it produces: Student Response Muscle contraction in the initiating muscle and reciprocal inhibition. A. Value 100% B. Muscle contraction in the initiating muscle and reciprocal activation. C. Muscle relaxation in the initiating muscle and reciprocal inhibition. D. Muscle relaxation in the initiating muscle and reciprocal activation. 0% 0% Score: 0% 1/1 10. Opening of the chemically-gated K+ channels would produce: Student Response A. B. C. D. E. depolarization hyperpolarization EPSP IPSP Both #1 and #3. F. Both #2 and #4. Value 0% 0% 0% 0% 0% 100% When a stretch reflex is initiated it produces: Student Response Muscle contraction in the initiating muscle and reciprocal inhibition. A. Value 100% B. Muscle contraction in the initiating muscle and reciprocal activation. C. Muscle relaxation in the initiating muscle and reciprocal inhibition. D. Muscle relaxation in the initiating muscle and reciprocal activation. 0% 0% Score: 2. 1/1 0% Repeated use of a particular neural pathway, such as in a rote task, will result in a temporary facilitation of the pathway called: Student Response A. saltatory conduction B. post-tetanic potentiation C. temporal summation D. spatial summation Score: Value 0% 100% 0% 0% 1/1 3. The relative refractory period occurs during: A. opening of Na+ gates B. opening of K+ gates + + C. closing of K gates when excess K has left the neuron. Student Response Value 0% 0% 100% D. opening of K+ gates when excess K+ has left the neuron. 0% Score: 1/1 4. A small local depolarization or hyperpolarization is known as: A. EPSP B. IPSP C. graded potential D. all of the above Student Response Value 0% 0% 0% 100% E. #1 and #2 only. 0% Score: 1/1 5. The period during which the trigger region is effectively inhibited but not prevented from generating an action potential is the: Student Response A. B. C. D. E. absolute refractory period relative refractory period period of depolarization period of hyperpolarization Both answers 1 and 3 F. Both answers 2 and 4 Score: 1/1 Value 0% 0% 0% 0% 0% 100% 6. Opening of the chemically-gated K+ channels would produce: Student Response A. B. C. D. E. depolarization hyperpolarization EPSP IPSP Both #1 and #3. F. Both #2 and #4. Score: Value 0% 0% 0% 0% 0% 100% 1/1 7. Prior sub-threshold hyperpolarization of a reflex pathway produces: Student Response A. facilitation B. inhibition C. divergence D. convergence Score: Value 0% 100% 0% 0% 1/1 8. When an action potential spreads from one node of R...
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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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