Given what you know about the sympathetic nervous system, which of the following drugs could NOT be considered to act as, or in a manner comparable to, a sympathomimetic? Select one: a. amphetamine b. pilocarpine c. atropine d. nicotine e. tyramine 23. Overdose due to excessive exposure to organophosphate pesticides (acetylcholinesterase inhibitors) is treated with drugs that only manage the muscarinic receptor activation. The remaining excess nicotinic receptor activation can result in which of the following complications? Select one: a. bronchoconstriction b. difficulty breathing c. excessive urination (micturition) d. excessive sweating (diaphoresis)
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Sympathomimetic drugs mimic the effects of the sympathetic nervous system, which is responsible for the "fight or flight" response. These drugs typically increase heart rate, blood pressure, and dilate the bronchioles. a. Amphetamine is a sympathomimetic drug Show more…
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Indicate whether each of the following characteristics describes the sympathetic nervous system (S) or the parasympathetic nervous system (PS): a. Craniosacral division b. Fight-or-flight branch c. Thoracolumbar division d. Decreases urinary output e. Increases blood pressure f. Dilates pupil g. Increases metabolic rate h. Constricts bronchioles
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The sympathetic nervous system is a component of the a. peripheral nervous system. b. parasympathetic nervous system. c. autonomic nervous system. d. all of the above e. both a and $c$
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6. A psychoactive drug may produce its effect by ____. a) increasing the number of neurotransmitter molecules released b) decreasing the number of neurotransmitter molecules released c) binding to the receptors for a natural neurotransmitter and stimulating a similar response d) All of the above 7. Amphetamines cause physical and psychological effects by causing the release of certain neurotransmitters such as norepinephrine and dopamine. As a result, the drugs _______ a) elevate blood pressure b) increase heart rate c) open up airways in the lungs d) all correct 8. What area of the brain filters sensory information and helps to keep us alert? a) Cerebral cortex b) Hippocampus c) Medulla d) Reticular activating system (RAS)
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