505 16 resting membrane potential once an action

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Unformatted text preview: ypes of muscle which exhibit striations are: Student Response A. skeletal muscle B. cardiac muscle C. smooth muscle D. Both 1 and 2 Value 0% 0% 0% 100% E. Both 2 and 3 0% Score: 0.5/0.5 Feedback 8. spinocerebellar tract Which of the following tracts does not send impulses ultimately to the cerebral cortex? Student Response spinocerebellar tract A. Value 100% B. Fasciculus cuneatus and fasciculus gracilis C. spinothalamic tract D. both #2 and #3 0% 0% 0% Score: Feedback 0.5/0.5 9. pons The brain center which mediates functions which are part voluntary and part involuntary is: Student Response thalamus hypothalamus substantia nigra basal nuclei E. pons A. B. C. D. Score: Value 0% 0% 0% 0% 100% Feedback 0.5/0.5 10. temporal summation If one input to a reflex releases a depolarizing neurotransmitter with a high frequency it could result in _____ at the receptive region of the receiving neuron. Student Response temporal summation A. Value 100% B. C. D. E. 0% 0% 0% 0% spatial summation action potential All of the above. #1 and #3 only. Score: 11. hypothalamus 0.5/0.5 Feedback The brain center which controls much of the endocrine and sympathetic systems is the: A. thalamus B. hypothalamus Student Response Value 0% 100% C. substantia nigra D. basal nuclei E. pons 0% 0% 0% Score: Feedback 0.5/0.5 12. pre-central gyrus The upper motor neurons originate in the: Student Response A. pre-motor cortex B. basal nuclei C. pre-central gyrus Value 0% 0% 100% D. post-central gyrus E. pre-frontal lobes 0% 0% Score: Feedback 0.5/0.5 13. inhibition of heart The fibers which control the heart at all times in the absence of stress are: Student Response A. cholinergic, nicotinic B. cholinergic, muscarinic Value 0% 100% C. adrenergic, alpha D. adrenergic, beta 0% 0% Score: Feedback 0.5/0.5 14. pyramidal tract fibers Fibers which cross in the pyramids are concerned with: Student Response A. Motor control on the same side of the body as Value 0% Feedback Student Response their origin. B. Motor control on the opposite side of the body from their origin. C. Motor control for equilibrium and balance. D. Proprioception and muscle sense. E. Both answers #3 and #4. Score: Value Feedback 100% 0% 0% 0% 0.5/0.5 15. reticular tissue The stroma of the body's soft organs is made of: Student Response A. dense irregular tissue B. reticular tissue 0% 100% C. areolar tissue D. dense regular tissue 0% 0% Score: Value Feedback 0.5/0.5 16. disk movement The intervertebral disks are what type of joint, classified by movement? Student Response Value A. synarthrosis B. amphiarthrosis C. diarthrosis Feedback 0% 100% 0% Score: 0/0.5 17. crossed extensor reflex The crossed extensor reflex consists of: Student Response Value A. A withdrawal reflex on one side of the body and 0% a stretch reflex on the other side. B. A withdrawal reflex on one side of the body and 0% a tendon reflex on the other side. C. A withdrawal reflex on one side of the body and 100% Feedback Student Response Value extension on the oth...
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