Answer to Question 1
Ans: A, C, F
Manifestations associated with a lithium concentration less than 1.5 mEq/L include a metallic taste in the mouth, diarrhea or loose stools, and muscular weakness or fatigue. Ataxia and slurred speech are associated with blood lithium concentration between 1.5 and 2.5 mEq/L. Fasciculations are associated with a lithium blood concentration over 2.5 mEq/L.
Answer to Question 2
Ans: C, D, E
Both valproate and carbamazepine may be lethal if high doses are ingested. Toxic symptoms appear in 1 to 3 hours and include neuromuscular disturbances, dizziness, stupor, agitation, disorientation, nystagmus, urinary retention, nausea and vomiting, tachycardia, hypotension or hypertension, cardiovascular shock, coma, and respiratory depression.