Principles of Psychopharmacology — MCQs

Variation in sensitivity of response to different doses of a drug in different individuals is obtained from?

Choose the correct options regarding the route of administration and bioavailability. A- Intravenous =1 B- 0.75< Oral <1 C-0.75 <IM ≤ 1 D- 0.75<SC ≤ 1 IM - Intramuscular SC- Subcutaneous

Which of the following actions is NOT associated with tricyclic antidepressants?

Which one of the following drugs has a narrow therapeutic range?

At toxic doses, zero-order kinetics is seen in which of the following substances?

Which statement best describes first-order kinetics in pharmacokinetics?

Which of the following best describes a Type B adverse drug reaction?

A 25-year-old medical student who failed his exam tells his friends, "I didn't want to pass anyway. The exam was poorly designed and doesn't test real clinical knowledge." This is an example of which defense mechanism?

Which among the following are defence mechanisms adopted when an individual is faced with problems or failures? I. Rationalization II. Regression III. Projection IV. Replacement Select the correct answer using the code given below :

A 34-year-old woman with bipolar I disorder has been maintained on lithium carbonate 900 mg/day for the past 18 months with good mood stabilisation. She presents to the outpatient clinic complaining of a worsening skin condition that began approximately 3 months after starting lithium. Her serum lithium level is 0.8 mEq/L (therapeutic range). She has no prior personal or family history of skin disease. Over the past 6 weeks, she has been using a moderate-potency topical corticosteroid prescribed by her dermatologist with no meaningful improvement; the eruption has continued to spread and now involves the face, scalp, and upper back, causing significant distress and social impairment. A dermatology referral photograph is shown (Image 1). Which of the following is the most appropriate next step in management?