F opening of the chemically gated sodium channels g

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Unformatted text preview: row C. yellow marrow Value 0% 100% 0% D. periosteum 0% Score: 3. Feedback 0/0.5 specialization The hierarchy organization which produces body systems results in _____ specialization. Student Response A. increasing Value 100% Feedback Student Response B. decreasing Score: 4. Value 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 D. thoracic, sympathetic 0% 0% Score: 5. Feedback 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 Feedback 0% 0% 0% 100% 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. Value 0% 0% 100% Feedback 0% 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 A. B. C. D. Score: 8. 0.5/0.5 Sharpey's fibers Value 0% 0% 0% 0% 100% Feedback Collagen fibers which run from the fibrous bone covering into the bone itself are called: Student Response A. Sharpey's fibers Value 100% B. red marrow C. yellow marrow D. periosteum 0% 0% 0% Score: 9. Feedback 0.5/0.5 vascularization Which of the following tissues is well vascularized and experiences true parenchymal repair? Student Response bone adipose cartilage all of the above E. Answers 1 and 2, but not 3. A. B. C. D. Score: 10. Value 0% 0% 0% 0% 100% Feedback Value Feedback 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. 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 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: Feedback 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 channels. H. Opening of potassium channels. I. Binding...
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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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