Ethylene Dichloride Is an Effective Cooling Agent When Allowed to Evaporate

question 64

Multiple Choice

Ethylene dichloride is an effective cooling agent when allowed to evaporate. The heat of vaporization is 85.3 calories per gram. How much heat could be removed from the skin if 2.70 grams of ethylene dichloride were sprayed on and allowed to evaporate?

• A)31.6 cal
• B)230 cal
• C)0.00320 cal
• D)0.00400 cal

Grasp the concept and hierarchy of evidence in clinical practice.

Develop effective PICOT questions for evidence-based practice.

Recognize the role and guide of clinical decision-making in evidence-based practice.

Appreciate the impact of evidence-based practice on quality of care, patient outcomes, and clinician satisfaction.

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Definitions:

Hibiclens

An antiseptic and antimicrobial skin cleanser that is effective in killing bacteria, viruses, and fungi.

Hydrogen peroxide

A chemical compound with the formula H₂O₂, commonly used as an oxidizer, bleaching agent, and antiseptic.

Venipuncture

The puncture of a vein with a needle for the purpose of drawing blood.

Evacuation system

A coordinated plan and set of procedures designed to safely remove people from a dangerous or potentially dangerous area.