Pharmacology Review- 4



Q- Which of the following agents may cause changes in the electroencephalogram (EEG) during anesthesia similar to those found in epilepsy?

A- Enflurane

B- Ketamine

C- Morphine

D- Propofol

A- Enflurane- It may cause spike and wave changes in the EEG although there is no convulsions occurs.



Q- Which of the following is a common side effect of lithium carbonate?

A- Dry mouth

B- Hypothyroidism

C- Leukoplakia

D- Tremors

D- Tremors- It is a common side effect for moderate and high doses. It causes hyperthyroidism, not hypothyroidism.



Q- Which of the following is the mechanism of action of methadone in rehabilitation of opioid infection?

A- Agonist of dopamine receptors

B- Agonist of opioid mu receptors

C- Antagonist of dopamine receptors

D- Antagonist of opioid mu receptors

B- Agonist of opioid mu receptors- It causes long-lasting saturation of these receptors leading to tolerance of short acting morphine and heroin.



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