题目内容

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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Ganglion blocking agents are of little clinical value today but they are important drugs to know for solving cardiovascular drug problems because they can block ()

A. all muscarinic receptors
B. all nicotinic receptors
C. all autonomic reflexes
D. the direct actions of drugs on blood vessels
E. the direct actions of drugs on the heart

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Reflex tachycardia caused by the systemic administration of albuterol can be blocked by what drug?()

A. dobutamine
B. prazosin
C. phenylephrine
D. metoprolol
E. low-dose epinephrin

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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

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 ()

Ganglion blocking agents are of little clinical value today but they are important drugs to know for solving cardiovascular drug problems because they can block ()

Reflex tachycardia caused by the systemic administration of albuterol can be blocked by what drug?()

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