A 5-Year-Old Boy Has Been Admitted with Severe Asthma

question 11

Multiple Choice

A 5-year-old boy has been admitted with severe asthma.His initial PaCO₂ was 30 mm Hg.One hour later his PaCO₂ is 45 mm Hg,and 1 hour after that,his PaCO₂ is 56 mm Hg.Which of the following interventions would be anticipated?

• A) High-dose steroids
• B) Chest percussion and vibration
• C) Fluid resuscitation with normal saline
• D) Mechanical ventilation

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Definitions:

Cell Cycle

A series of events that take place in a cell leading to its division and duplication, consisting of interphase (G1, S, G2) and mitotic phase.

Cytoplasmic Division

The process, also known as cytokinesis, during which the cytoplasm of a parental cell divides to form two daughter cells.

Nuclear Division

The process by which a nucleus divides, resulting in the segregation of the genome to two daughter nuclei. This occurs via mitosis or meiosis.

Proto-oncogenes

Normal genes that can become oncogenes if mutated or expressed at high levels, potentially leading to cancer.