A 4-Year-Old Girl Is Evaluated by a Pediatrician for a Possible

question 39

Multiple Choice

A 4-year-old girl is evaluated by a pediatrician for a possible ear infection. In her ear, the physician finds a large amount of discharge, also called:

• A) otorrhea.
• B) hordeolum.
• C) otalgia.
• D) vertigo.

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Definitions:

Negative Feedback

A regulatory mechanism in which a 'decrease' or 'increase' in a given output leads to actions that restore the system to its baseline state.

Aldosterone

A steroid hormone produced by the adrenal glands to regulate sodium and potassium balance in the blood.

Iodine

A chemical element necessary for the synthesis of thyroid hormones, lacking in the diet can lead to goiter and other health issues.

Tyrosine

An amino acid that is important for protein synthesis and is a precursor to several significant hormones and neurotransmitters.