What Is True About Electrical Injuries? (Select All That Apply

question 1

Multiple Choice

What is true about electrical injuries? (Select all that apply.)

• A) Alternating current causes tetanic skeletal muscle contractions.
• B) Direct current is more dangerous than alternating current.
• C) Electrical injury causes more tissue necrosis in nerves than other tissues.
• D) Lightning is less lethal because the duration of electrical strike is short.
• E) Low-voltage contact has no potential to be lethal.

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Definitions:

Numerator

The top number in a fraction that represents the part of the whole that is being considered.

Denominator

The bottom number in a fraction that shows how many equal parts the item or group is divided into.

Categorical Variable

A variable with categorical data.

Dummy Variables

Variables used in regression analysis to represent categorical data by converting it into a series of binary values.