A 3-Year-Old Boy Is Brought to the Office with 5

question 199

Multiple Choice

A 3-year-old boy is brought to the office with 5 days of productive cough and fever.  Examination shows a tachypneic, ill-appearing child with rales over the right lower lung.  Chest x-ray reveals right lower lobe pneumonia.  The boy is admitted to the hospital for intravenous antibiotics.  Review of his medical history shows 4 prior pneumonias, and his weight is at the third percentile.  Further testing demonstrates high sweat chloride content, and genetic sequencing shows a mutation in a transmembrane protein.  Which of the following best describes the dysfunctional transmembrane protein causing this patient's disease?

• A)ATP-gated
• B)Cyclic nucleotide-gated
• C)Mechanically gated
• D)Temperature-gated
• E)Voltage-gated

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Definitions:

Pubic Hair

Hair that grows on the genital area after reaching puberty, serving as a sign of sexual maturity.

LGBTQ

LGBTQ stands for Lesbian, Gay, Bisexual, Transgender, and Queer, representing a community of individuals with diverse sexual orientations and gender identities.

Sexual Orientation

An enduring pattern of emotional, romantic, or sexual attractions to men, women, or both sexes.

Ethnic Identification

The process by which an individual associates themselves with a specific ethnic group, sharing its customs, culture, and often language.