Pharmacology mcqs (final control) 3rd course

= Selegiline

~ Haloperidol
~ Fluoxetine
100- Select the agent, which is preferred in the treatment of the drug-induced form of parkinsonism:
~ Levodopa
~ Bromocriptine

= Benztropine

~ Dopamine
101- Which of the following agents is the precursor of dopamine?
~ Bromocriptine

= Levodopa

~ Selegiline
~ Amantadine
102- The main reason for giving levodopa, the precursor of dopamine, instead of dopamine is:

= Dopamine does not cross the blood-brain barrier

~ Dopamine may induce acute psychotic reactions
~ Dopamine is intensively metabolized in humans
~ All of the above
103- Indicate a peripheral dopa decarboxylase inhibitor:
~ Tolcapone
~ Clozapine

= Carbidopa

~ Selegiline
104- Which of the following metabolic alterations may be associated with chronic alcohol abuse?
~ Hyperglycemia
~ Increased serum concentration of phosphate

= Severe loss of potassium and magnesium

~ Decreased serum concentration of sodium
105- Alcohol potentiates:
~ SNS depressants
~ Vasodilatators
~ Hypoglycemic agents

= All of the above

106- Which of the following drugs is most commonly used for causing a noxious reaction to alcohol by blocking its metabolism?
~ Naltrexone

= Disulfiram

~ Diazepam
~ Morphine

107- Which of the following agents is an inhibitor of aldehyde dehydrogenase?

~ Fomepizole
~ Ethanol

= Disulfiram

~ Naltrexone
108- Indicate the drug, which alters brain responses to alcohol:

= Naltrexone

~ Disulfiram
~ Amphetamine
~ Chlorpromazine
109- Which of the following agents is an opioid antagonist?
~ Amphetamine