During Your Examination of a 14-Year-Old with Cystic Fibrosis, You

question 8

Multiple Choice

During your examination of a 14-year-old with cystic fibrosis, you note moderate clubbing throughout all digits. This clubbing is caused by

• A) acute hypoxemia.
• B) chronic hypoxemia.
• C) lack of performance of fine motor skills.
• D) medication side effects.

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Definitions:

Substance P

A neuropeptide involved in the transmission of pain and other sensory information to the central nervous system.

Pheromones

Chemical substances produced and released into the environment by an animal, affecting the behavior or physiology of others of the same species.

Cytokines

Signaling proteins secreted by cells, playing a critical role in immune system responses and inflammation.

Pyrimidines

A class of nitrogenous organic compounds with a single six-member ring, found in nucleic acids (DNA and RNA).