题目内容

Alpha-1 agonists cause reflex bradycardia, which can be blocked by ( )

A. atenolol
B. atropine
C. mirtazapine
D. phenylephrine
E. propranolol

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Which one of the following effects is caused by the ingestion of mushrooms that contain pilocarpine?( )

A. Tachycardia
Bronchodilation
C. Diarrhea
D. Hypertension
E. Hyperthermia

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Increasing the concentration of norepinephrine in adrenergic synapses leads to ( )

A. activation of dopa decarboxylase
B. increased release of norepinephrine,
C. activation of presynaptic Gi coupled receptors
D. stimulation of MAO
E. activation of tyrosine hydroxylase

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Urination in the human subject is decreased by ( )

A. muscarinic agonists
B. muscarinic antagonists
C. AChase inhibitors
D. Nicotinic agonists
E. Spider venom

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A 5-year-old child becomes ill while visiting relatives who have a farm in Arkansas. His symptoms include severe abdominal cramps with vomiting and diarrhea and profuse lacrimation and salivation.Pupillary constriction is marked. The most likely cause is exposure to ()

A. herbicides
B. antifreeze
C. lead-based paint
D. insecticides
E. rat poison

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Alpha-1 agonists cause reflex bradycardia, which can be blocked by ( )

A. atenolol B. atropine C. mirtazapine D. phenylephrine E. propranolol

Which one of the following effects is caused by the ingestion of mushrooms that contain pilocarpine?( )

Increasing the concentration of norepinephrine in adrenergic synapses leads to ( )

Urination in the human subject is decreased by ( )

A 5-year-old child becomes ill while visiting relatives who have a farm in Arkansas. His symptoms include severe abdominal cramps with vomiting and diarrhea and profuse lacrimation and salivation.Pupillary constriction is marked. The most likely cause is exposure to ()

A. atenolol
B. atropine
C. mirtazapine
D. phenylephrine
E. propranolol