Saltatory conduction b post tetanic potentiation

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Unformatted text preview: ely to the cerebral cortex? Student Response spinocerebellar tract A. Value 100% B. Fasciculus cuneatus and fasciculus gracilis 0% C. spinothalamic tract 0% D. both #2 and #3 0% Score: 17. 0.5/0.5 lateral skull Match the parts shown. A parietal bone B sphenoid bone C lacrimal bone Feedback D zygomatic bone E zygomatic arch Statement A B C D E Score: 18. Response parietal bone sphenoid bone lacrimal bone zygomatic arch zygomatic bone Value 20.0% 20.0% 20.0% 20.0% 20.0 % 0.5/0.5 excitation of heart Receptors which mediate excitation of the heart in response to stress are: Student Response A. cholinergic, nicotinic B. cholinergic, muscarinic C. adrenergic, alpha D. adrenergic, beta Score: 19. Value 0% 0% 0% 100% Feedback 0.5/0.5 distal epiphyseal plate The distal epiphyseal plate of long bones hardens at: Student Response A. 1.5 to 2 years after birth B. late teens C. early twenties D. birth Score: 20. Value Feedback 0% 0% 100% 0% 0.5/0.5 glossopharyngeal nerve The autonomic function of the glossopharyngeal nerve is: A. B. C. D. E. F. G. Student Response sensory from taste buds sensory from baroreceptors in carotid sinus motor to muscles of swallowing motor to salivary glands all of the above #1 and #3 #2 and #4 Score: 0.5/0.5 View Attempt 8 of unlimited Title: Alternate Substitute Quiz Value 0% 0% 0% 0% 0% 0% 100% Feedback Started: Submitted: Time spent: December 6, 2008 3:52 PM December 6, 2008 4:03 PM 00:11:15 Total score: 9.5/10 = 95% Total score adjusted by 0.0 internal capsule 1. Maximum possible score: 10 Fibers of the _____ carry stimuli from the motor cortex to the corticospinal tracts. Student Response A. corona radiata B. internal capsule Value 0% 100% C. corpus callosum D. fornix 0% 0% Score: 2. Feedback 0.5/0.5 Ossification Ossification begins at about _____ in the developing embryo. A. 4 weeks B. 8 weeks Student Response Value 0% 100% C. birth D. 1.5 to 2 years after birth 0% 0% Score: 3. Feedback 0.5/0.5 Action potential An action potential is generated on the sarcolemma by which event of the following: 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 out of the muscle cell. F. Opening of the chemically-gated sodium channels. 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: 4. 0.5/0.5 post-central gyrus Pain stimuli terminate in the: Value 0% 0% 0% 0% 0% 0% 100% 0% 0% 0% 0% Feedback Student Response A. temporal lobe B. basal nuclei C. pre-central gyrus D. post-central gyrus E. pre-frontal lobes Score: 5. Value Feedback 0% 0% 0% 100% 0% 0.5/0.5 contraction trigger The trigger which causes vesicles of acetylch...
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