Asphyxia: Practice Question

Which of the following are the most common causes of a "foam cone" found in the mouth at autopsy?
  1. congestive heart failure, opiates, drowning
  2. cardiac tamponade, opiates, viral pneumonia
  3. upper airway obstruction, opiates, amphetamines
  4. congestive heart failure, amphetamines, opiates
  5. opiates, ethanol, amphetamines
Show Answer and Explanations

congestive heart failure, opiates, drowning — Correct answer

Correct. Three common causes of a foam cone are CHF, opiates and drowning.

cardiac tamponade, opiates, viral pneumonia

Incorrect. Opiates frequently cause a foam cone.

upper airway obstruction, opiates, amphetamines

Incorrect. Opiates frequently cause a foam cone.

congestive heart failure, amphetamines, opiates

Incorrect. Congestive heart failure and opiates frequently cause a foam cone.

opiates, ethanol, amphetamines

Incorrect. Opiates frequently cause a foam cone.

Summary

Summary: Three common causes of a ?foam cone? at the mouth include opiates, drowning and CHF.
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