Pharmacology mcqs (final control) 3rd course

= Benztropine

~ Hexamethonium
~ Succinylcholine
55- Indicate a muscarinic receptor-blocking drug:

= Scopolamine

~ Pipecuronium
~ Trimethaphan
~ Pilocarpine
56- Which of the following antimuscarinic drugs is often effective in preventing or reversing vestibular disturbances, especially motion sickness?
~ Atropine
~ Ipratropium

= Scopolamine

~ Homatropine
57- Atropine causes:
~ Miosis, a reduction in intraocular pressure and cyclospasm

= Mydriasis, a rise in intraocular pressure and cycloplegia

~ Miosis, a rise in intraocular pressure and cycloplegia
~ Mydriasis, a rise in intraocular pressure and cyclospasm
58- Patients complain of dry or “sandy” eyes when receiving large doses of:

= Atropine

~ Hexamethonium
~ Pilocarpine
~ Carbachol

59- All of the following parts of the heart are very sensitive to muscarinic receptor blockade except:

~ Atria
~ Sinoatrial node
~ Atrioventricular node

= Ventricle

60- Compared with atropine, scopolamine has all of the following properties EXCEPT:
~ More marked central effect

= Less potent in decreasing bronchial, salivary and sweat gland secretion

~ More potent in producing mydriasis and cycloplegia
~ Lower effects on the heart, bronchial muscle and intestines
61- Which of the following drugs is useful in the treatment of Parkinson′s disease?

= Benztropine

~ Edrophonium
~ Succinylcholine
~ Hexamethonium
62- Indicate the antimuscarinic drug, which is used as a mydriatic:
~ Pilocarpine
~ Neostigmine