Cystic Fibrosis

Cystic Fibrosis ( 34 Questions)

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Question 7 :

A nurse is discussing the role of the cystic fibrosis transmembrane conductance regulator (CFTR) protein with a patient. What is the primary function of the CFTR protein in normal physiology?

A "The CFTR protein regulates sodium absorption in the kidneys."

Incorrect. The CFTR protein primarily functions in the respiratory and digestive systems, not the kidneys.

B "The CFTR protein facilitates chloride secretion in the gastrointestinal tract."

Incorrect. While CFTR plays a role in chloride secretion, its primary role is related to mucus production and chloride ion movement in the respiratory and digestive systems.

C "The CFTR protein controls the production of red blood cells in the bone marrow."

Incorrect. The CFTR protein is not involved in the production of red blood cells.

D "The CFTR protein regulates mucus production and the movement of chloride ions in the respiratory and digestive systems."

Correct. The CFTR protein is responsible for regulating mucus consistency and chloride ion transport in the respiratory and digestive systems.

Cystic Fibrosis

Cystic Fibrosis ( 34 Questions)

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