Multiple choice

Hiccups are caused due to ____________.

  1. involuntary contraction of the diaphragm

  2. convulsive expulsion of air from the lungs

  3. forceful sudden expiration

  4. uncontrolled cough

  5. sore throat

Reveal answer Fill a bubble to check yourself
A Correct answer
Explanation

Hiccups are an involuntary spasm of the diaphragm and respiratory organs, with a sudden closure of the glottis and a characteristic gulping sound.