A Nurse Is Preparing a Teaching Session for Parents on Prevention

question 13

Multiple Choice

A nurse is preparing a teaching session for parents on prevention of childhood hearing loss. What is the most common cause of hearing impairment in children?

• A) Auditory nerve damage
• B) Congenital ear defects
• C) Congenital rubella
• D) Chronic otitis media

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Definitions:

Epigenesis

The control of genetic expression by both regulatory DNA and environmental factors.

Genetic Expression

The process by which information from a gene is used to synthesize functional gene products, such as proteins, which can influence an organism's traits.

Transcription

The complex chain of cellular processes that involves translating the code specified by a gene into the production of a protein. This series of biochemical events ultimately accounts for genetic expression or influence.

Translation

One step in a cell’s production of a protein, in which the cell “reads” the code represented in a strand of mRNA and creates a protoprotein based on that code.