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Unformatted text preview: The receptors which produce pupilary dilation are: Value 100% 0% 0% 0% A. cholinergic, nicotinic B. cholinergic, muscarinic C. adrenergic, alpha Student Response Value 0% 0% 100% D. adrenergic, beta 0% Score: 1/1 4. The fibers which control the heart at all times in the absence of stress are: Student Response A. cholinergic, nicotinic B. cholinergic, muscarinic C. adrenergic, alpha D. adrenergic, beta Score: Value 0% 100% 0% 0% 1/1 5. 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: Value 0% 0% 0% 100% 1/1 6. Most blood vessels are innervated only by the _____ division A. sympathetic Student Response Value 100% B. parasympathetic 0% Score: 1/1 7. Sympathetic stimulation of the eccrine sweat glands is through _____ fibers. Student Response Value Student Response B. cholinergic, muscarinic C. adrenergic, alpha D. adrenergic, beta Score: Value 100% 0% 0% 1/1 8. The autonomic function of the glossopharyngeal nerve is: Student Response A. B. C. D. E. F. 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 G. #2 and #4 Score: Value 0% 0% 0% 0% 0% 0% 100% 1/1 9. The autonomic nervous system differs from the somatic nervous system in which of the following ways: Student Response The autonomic system is motor only, while the somatic is both motor and sensory. The autonomic system has two motor neurons, the somatic has only one, in each reflex arc. The autonomic system has a ganglion in each motor pathway from the CNS, the somatic nervous system does not. All of the above. E. #2 and #3 only. A. B. C. D. Score: Value 0% 0% 0% 0% 100% 1/1 10. Most glands are _____ by the sympathetic nervous system. Student Response A. activated B. inhibited Score: 1/1 conscious sensations Which of the following tracts is responsible for conscious sensations? Value 0% 100% Student Response A. spinocerebellar tract B. Fasciculus cuneatus and fasciculus gracilis C. spinothalamic tract D. both #2 and #3 The spaces in spongy bone are initially filled with: Student Response A. Sharpey's fibers B. red marrow C. yellow marrow D. periosteum Value 0% 0% 0% 100% Value 0% 100% Feedback Feedback 0% 0% 2. Shifting of the troponin-tropomyosin complex. As a direct result of Ca+2 binding to troponin: 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. Breakdown of ACh by AChase. G. Opening of the voltage-gated sodium channels. H. Opening of potassium channels. I. The troponin-tropomyosin complex shifts, exposing the active sites on actin. J. Uptake of ATP by the myosin heads. K. Attachment of actin-myosin crossbridg...
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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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