Which of the following exerts its major systemic pharmacological action when administered orally_____________?

Correct answer: B. Chloral hydrate

  • A. Insulin
  • B. Chloral hydrate
  • C. Procaine
  • D. Streptomycin

Explanation

Chloral hydrate is absorbed after oral administration and produces systemic sedative-hypnotic effects. Insulin, procaine and streptomycin are not effective for routine systemic oral therapy because they are poorly absorbed or degraded.

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