Pharmacology mcqs (final control) 3rd course

= All of the above

36- Which one of the following local anesthetics causes methemoglobinemia?

= Prilocaine

~ Procaine
~ Lidocaine
~ Ropivacaine

37- Procaine has all of the following properties EXCEPT:

~ It has ester linkage
~ Its metabolic product can inhibit the action of sulfonamides

= It readily penetrates the skin and mucosa

~ It is relatively short-acting
38- Correct statements concerning lidocaine include all of the following EXCEPT:
~ It is an universal anesthetic

= It has esteratic linkage

~ It widely used as an antiarrhythmic agent
~ It is metabolized in liver
39- Which of the following local anesthetics is more likely to cause allergic reactions?
~ Lidocaine
~ Bupivacaine

= Procaine

~ Ropivacaine
40- Tetracaine has all of the following properties EXCEPT:
~ Slow onset

= Low potency

~ Long duration
~ High toxicity
41- Correct statements concerning bupivacaine include all of the following EXCEPT:

= It has low cardiotoxicity

~ It has amide linkage
~ It is a long-acting drug
~ An intravenous injection can lead to seizures

42- Сholinesterase inhibitors do not produce:

~ Bradycardia, no change or modest fall in blood pressure
~ Increased strength of muscle contraction, especially in muscles weakened by myasthenia gravis
~ Miosis and reduction of intraocular pressure

= Dramatic hypertension and tachycardia

43- Which of the following cholinomimetics is commonly used in the treatment of glaucoma?

= Pilocarpine

~ Lobeline
~ Acethylcholine
~ Neostigmine
44- Indicate the organophosphate cholinesterase inhibitor, which can be made up in an aqueous solution for ophthalmic use and retains its activity within a week:
~ Physoctigmine
~ Edrophonium