Voltage gated ion channels only value 0 100 c both

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Unformatted text preview: periosteum 0% Score: 3. Feedback 0/0.5 specialization The hierarchy organization which produces body systems results in _____ specialization. Student Response A. increasing B. decreasing Score: 4. Value 100% Feedback 0% 0.5/0.5 inhibitory to heart The fibers which control the heart in the absence of stress come from the _____ portion of the CNS as part of the _____ division of the autonomic nervous system. Student Response A. cranial, parasympathetic B. cranial, sympathetic Value 100% 0% C. thoracic, parasympathetic 0% Feedback Student Response D. thoracic, sympathetic Score: 5. Value Feedback 0% 0/0.5 the cerebellum A constantly updating control of muscles which provides coordination is centered in the: Student Response A. pre-central gyrus B. pre-motor cortex C. basal nuclei D. cerebellum Score: 6. Value 0% 0% 0% 100% Feedback Value 0% 0% 100% Feedback 0.5/0.5 reative refractory period The relative refractory period occurs during: Student Response A. opening of Na+ gates B. opening of K+ gates + + C. closing of K gates when excess K has left the neuron. D. opening of K+ gates when excess K+ has left the neuron. Score: 7. 0% 0.5/0.5 pons The brain center which mediates functions which are part voluntary and part involuntary is: Student Response A. B. C. D. thalamus hypothalamus substantia nigra basal nuclei E. pons Score: 8. Value Feedback 0% 0% 0% 0% 100% 0.5/0.5 Sharpey's fibers Collagen fibers which run from the fibrous bone covering into the bone itself are called: Student Response Sharpey's fibers A. Value 100% B. red marrow C. yellow marrow D. periosteum 0% 0% 0% Score: 9. 0.5/0.5 vascularization Feedback Which of the following tissues is well vascularized and experiences true parenchymal repair? Student Response A. B. C. D. bone adipose cartilage all of the above E. Answers 1 and 2, but not 3. Score: 10. Value Feedback 0% 0% 0% 0% 100% 0.5/0.5 calcium absorption Increased calcium absorption is produced by: Student Response A. calcitonin B. parathyroid hormone 0% 0% C. estrogen D. growth hormone E. Vitamin D3 0% 0% 100% Score: 11. Value Feedback 0/0.5 glossopharyngeal nerve The autonomic function of the glossopharyngeal nerve is: Student Response A. sensory from taste buds B. sensory from baroreceptors in carotid sinus C. motor to muscles of swallowing D. motor to salivary glands E. all of the above F. #1 and #3 G. #2 and #4 Score: 12. Value Feedback 0% 0% 0% 0% 0% 0% 100% 0.5/0.5 Ca++ binds to troponin C 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. 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 Value 0% 0% 0% 0% 0% 0% 0% Feedback Student Response channels. H. Opening of potassium channels. I. Binding of calcium ions to Troponin C. J. Uptake of ATP by the myosin heads. K. Attachment o...
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