Pharmacology mcqs (final control) 3rd course

= Echothiophate

~ Neostigmine
45- Which of the following cholinomimetics is most widely used for paralytic ileus and atony of the urinary bladder?
~ Lobeline

= Neostigmine

~ Pilocarpine
~ Echothiophate
46- Chronic long-term therapy of myasthenia is usually accomplished with:
~ Edrophonium

= Neostigmine

~ Echothiophate
~ Carbachol
47- Which of the following cholinomimetics is a drug of choice for reversing the effects of nondepolarizing neuromuscular relaxants?
~ Echothiophate
~ Physostigmine

= Edrophonium

~ Pilocarpine

48- Indicate the reversible cholinesterase inhibitor, which penetrates the blood-brain barrier:

= Physostigmine

~ Edrophonium
~ Neostigmine
~ Piridostigmine

49- Which of the following cholinomimetics is used in the treatment of atropine intoxication?

~ Neostigmine
~ Carbochol

= Physostigmine

~ Lobeline
50- The symptoms of excessive stimulation of muscarinic receptors include all of the following EXCEPT:
~ Abdominal cramps, diarrhea
~ Increased salivation, excessive bronchial secretion
~ Miosis, bradycardia

= Weakness of all skeletal muscles

51- The excessive stimulation of muscarinic receptors by pilocarpine and choline esters is blocked competitively by:
~ Edrophonium

= Atropine

~ Pralidoxime
~ Echothiophate
52- The group of nicotinic receptor-blocking drugs consists of:
~ Ganglion-blockers
~ Atropine-similar drugs
~ Neuromuscular junction blockers

= Both a and c

53- M₃ receptor subtype is located:
~ In the myocardium
~ In sympathetic postganglionic neurons

= On effector cell membranes of glandular and smooth muscle cells

~ On the motor end plates
54- Which of the following drugs is both a muscarinic and nicotinic blocker?
~ Atropine