Student response a increasing b decreasing score 4

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Unformatted text preview: ore: Feedback 0.5/0.5 View Attempt 13 of unlimited Title: Started: Submitted: Time spent: Alternate Substitute Quiz December 6, 2008 4:45 PM December 6, 2008 4:50 PM 00:05:15 Total score: 7/10 = 70% Total score adjusted by 0.0 Ca++ binds to troponin C 1. Maximum possible score: 10 As soon as Ca++ ions are released into the sarcoplasm: 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. Value 0% 0% 0% 0% Feedback Student Response E. Na+ moves across the sarcolemma into 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: 2. Value Feedback 0% 0% 0% 0% 100% 0% 0% 0.5/0.5 anterior fontanel The large anterior fontanel hardens at: Student Response 1.5 to 2 years after birth A. Value 100% B. late teens C. early twenties D. birth 0% 0% 0% Score: 3. Feedback 0.5/0.5 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: 4. Feedback 0.5/0.5 voltage-gated ion channels Threshold depolarization will result in an action potential when it occurs at: Student Response A. chemically-gated ion channels only B. voltage-gated ion channels only Value 0% 100% C. Both chemically-gated and voltage-gated 0% ion channels. D. The receptive region. 0% Score: 5. 0.5/0.5 facilitation Prior sub-threshold depolarization of a reflex pathway produces: Feedback Student Response A. facilitation B. inhibition C. divergence D. convergence Score: 6. Value 100% Feedback 0% 0% 0% 0.5/0.5 parenchymal repair When a tissue experiences parenchymal repair the new tissue _____ produce the tissue's orignal function. A. does Student Response Value 100% B. does not 0% Score: 7. Feedback 0.5/0.5 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 Value 0% 0% 0% 0% 100% Feedback Student Response A. Upper portion of the pre-central gyrus. B. Lower portion of the pre-central gyrus. Value 0% 100% Feedback C. Upper portion of the post-central gyrus. D. Lower portion of the post-central gyrus. 0% 0% A. B. C. D. Score: 8. 0.5/0.5 Broca's area Broca's area is located alongside the: Score: 9. 0.5/0.5 Calcium homeostasis The primary hormone for calcium homeostasis is: Student Response A. calcitonin B. parathyroid hormone Value 0% 100% C. estrogen D. growth hormone E. Vitamin D3 0% 0% 0% Score: 0.5/0.5 Feedback 10. striations The types of muscle which exhibit striations are: Student Response skel...
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