Which Statement Is True of Dermatomyositis

question 6

Multiple Choice

Which statement is true of dermatomyositis?

• A) It most commonly affects male children.
• B) It is a wasting of smooth and cardiac muscle.
• C) It commonly displays the Erlenmeyer flask deformity on plain film radiographs.
• D) It is associated with an elevated incidence of visceral carcinomas in adults.

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Definitions:

Nonpolar Covalent

Nonpolar Covalent bonds are chemical bonds where two atoms share a pair of electrons equally, resulting in molecules that have no overall dipole moment.

Polar Covalent

A type of chemical bond where electrons are unequally shared between atoms, leading to a distribution of charge.

Proton Acceptor

A substance that receives hydrogen ions in a chemical reaction.

Proton Donor

A substance that can release (donate) a proton (H+ ion) in a chemical reaction, typically an acid in a chemical context.