Pharmacology · single question

Which of the following is NOT a typical effect of amphetamine use?

  1. Xerostomia
  2. Hypothermia
  3. Tachycardia and hypertension
  4. Bruxism and clenching
Show answer and explanation

Correct answer: B. Hypothermia

  • A. Expected — sympathomimetic reduction in salivary flow, a major driver of 'meth mouth.'
  • B. Correct as the exception. Amphetamines cause HYPERthermia through increased metabolic rate and impaired heat dissipation — hypothermia is not an expected effect.
  • C. Expected — catecholamine release drives tachycardia and hypertension, which is why vasoconstrictors must be used cautiously.
  • D. Expected — CNS stimulation produces intense clenching and grinding with rapid tooth wear.

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