题目内容

Urination in the human subject is decreased by ( )

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

查看答案
更多问题

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

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

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

Which of the following best describes the effect of a competitive antagonist on the dose-response curve?()

A. Non-parallel left shift
B. Non-parallel right shift
C. Parallel left shift
D. Parallel right shift
E. No pacts on dose-response curve

答案查题题库