NERVOUS SYSTEM

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Challenging questions on the Autonomic Nervous System.

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Genesis

Puerto Rico

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NERVOUS SYSTEM


NERVOUS SYSTEMVersion en ligne Challenging questions on the Autonomic Nervous System. par Genesis 1 Which neurotransmitters predominantly mediate the sympathetic system? a Epinephrine and Norepinephrine b Dopamine and Serotonin c Acetylcholine and GABA d Glutamate and GABA 2 Which division of the ANS predominates during rest and digestion? a Parasympathetic system b Cortical system c Sympathetic system d Enteric system 3 What is the main neurotransmitter of the parasympathetic system? a Epinephrine b Acetylcholine c Norepinephrine d Dopamine 4 Which eye effect is linked to parasympathetic dominance? a Retinal dilation b Lens flattening c Pupil constriction d Pupil dilation 5 Which organ systems are primarily regulated by the ANS? a Brain cortex, hippocampus, cerebellum b Endocrine glands only c Skeletal muscles, skin, bones d Blood vessels, heart, lungs, GI tract 6 Which neurotransmitters are major messengers of the sympathetic system? a Epinephrine and Norepinephrine b Acetylcholine and GABA c Glutamate and Glycine d Dopamine and Serotonin 7 What effect does sympathetic activation have on heart rate? a No change b Rate increased c Rate decreased d Variable with no pattern 8 Which system promotes bladder relaxation during flight-or-fight? a Somatic motor system b Enteric system c Sympathetic system d Parasympathetic system 9 Which condition is commonly associated with autonomic dysfunction? a Myasthenia gravis b Multiple sclerosis c ALS d Parkinson’s disease (as a contributing factor) 10 Which ANS branch governs bronchiolar smooth muscle tone during stress? a Enteric nervous system b Sympathetic system c CNS motor pathways d Parasympathetic system 11 Which response is typical of the parasympathetic system in the GI tract? a No GI change b GI vasoconstriction only c Reduced digestion d Increased digestion 12 What is the key role of the autonomic nervous system in homeostasis? a Control voluntary movement b Generate reflexes only c Store memories d Regulate involuntary functions 13 Which structure is primarily associated with sympathetic neurotransmission? a Adrenergic receptors b NMDA receptors c GABA receptors d Cholinergic receptors 14 Which system dominates pupil dilation? a Enteric system b Parasympathetic system c Sympathetic system d Somatic nervous system 15 What happens to intestinal motility under sympathetic influence? a Motility reduced b Motility increased c Unpredictable changes d No change 16 Which division is active during 'rest and digest'? a Somatic system b Central nervous system c Parasympathetic system d Sympathetic system 17 Which neurotransmitter is the main one for parasympathetic synapses on targets? a Acetylcholine b Norepinephrine c Dopamine d Epinephrine 18 Which ANS branch constricts the pupil during near focus? a Central autonomic network b Parasympathetic system c Sympathetic system d Enteric system 19 Which system increases heart force during activity? a Somatic system b Parasympathetic system c Sympathetic system d Enteric system 20 Which condition can cause dilated pupils besides normotension? a Conjunctivitis b Trauma or emotional stimuli c Miosis due to light d Retinal detachment 21 Which ANS effect is seen in the bladder under sympathetic influence? a No effect b Only sensation changes c Sphincter contraction and urination d Sphincter relaxation and urine retention 22 Which organ system pairs with acetylcholine as a main transmitter in the parasympathetic system? a Cardiac muscle and glands b Liver metabolism only c Bone and cartilage d Skeletal muscle exclusively 23 What is a key feature of autonomic dysfunction in disease states? a Enhanced voluntary control b Altered somatic motor strength c Impaired regulation of involuntary functions d Increased reflex speed Feedback 1 Sympathetic signaling centers on epinephrine/norepinephrine; acetylcholine is parasympathetic. 2 Parasympathetic promotes energy conservation and digestion. 3 Acetylcholine acts at parasympathetic targets; sympathetic uses norepinephrine. 4 Parasympathetic causes pupil constriction; sympathetic causes dilation. 5 ANS targets smooth muscle and glands in various organs, not skeletal muscle. 6 Sympathetic relies on adrenergic signaling via epinephrine/norepinephrine. 7 Sympathetic increases cardiac rate and contractility. 8 Sympathetic relaxes the bladder to store urine; parasympathetic promotes voiding. 9 ANS disorders can occur alone or with diseases like Parkinson’s. 10 Sympathetic dilates bronchioles to improve airflow; parasympathetic constricts. 11 Parasympathetic enhances digestion and gut motility. 12 ANS modulates breath, heart rate, digestion without conscious control. 13 Adrenergic receptors respond to epinephrine/norepinephrine. 14 Sympathetic drives mydriasis; parasympathetic causes constriction. 15 Sympathetic inhibits gut motility to allocate energy elsewhere. 16 Restful state is parasympathetic-dominant. 17 Parasympathetic synapses primarily use acetylcholine. 18 Parasympathetic causes pupil constriction for near vision. 19 Sympathetic increases contractility; parasympathetic reduces it. 20 Mydriasis can arise from trauma or emotional arousal; others are not typical causes. 21 Sympathetic promotes urine storage via sphincter contraction. 22 Parasympathetic targets heart and glands via acetylcholine. 23 Autonomic disorders disrupt involuntary regulation.

NERVOUS SYSTEM

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NERVOUS SYSTEMVersion en ligne

par Genesis

Which neurotransmitters predominantly mediate the sympathetic system?

Which division of the ANS predominates during rest and digestion?

What is the main neurotransmitter of the parasympathetic system?

Which eye effect is linked to parasympathetic dominance?

Which organ systems are primarily regulated by the ANS?

Which neurotransmitters are major messengers of the sympathetic system?

What effect does sympathetic activation have on heart rate?

Which system promotes bladder relaxation during flight-or-fight?

Which condition is commonly associated with autonomic dysfunction?

Which ANS branch governs bronchiolar smooth muscle tone during stress?

Which response is typical of the parasympathetic system in the GI tract?

What is the key role of the autonomic nervous system in homeostasis?

Which structure is primarily associated with sympathetic neurotransmission?

Which system dominates pupil dilation?

What happens to intestinal motility under sympathetic influence?

Which division is active during 'rest and digest'?

Which neurotransmitter is the main one for parasympathetic synapses on targets?

Which ANS branch constricts the pupil during near focus?

Which system increases heart force during activity?

Which condition can cause dilated pupils besides normotension?

Which ANS effect is seen in the bladder under sympathetic influence?

Which organ system pairs with acetylcholine as a main transmitter in the parasympathetic system?

What is a key feature of autonomic dysfunction in disease states?