Question

A 10 month old infant has poor weight gain, a persistent cough, and a history of several bouts of pneumonitis. The mother describes the child as having very large, foul-smelling stools for months. Which of the following diagnostic manoeuvres is likely to result in the correct diagnosis of this child?
A) CT of the chest
B) Serum Igs
C) TB skin test
D) Inspiratory and expiratory CXR
E) Sweat chloride test

Answer 1

Answer:

The correct answer is - option E.

Explanation:

The medical condition which is described the symptoms of a medical condition which is most likely to be the cystic fibrosis. Cystic fibrosis is a condition that cause multi system disease due to the error in the action of the CFTR protein.

It cause abnormal secretion are produced or released of ionised chloride due to to less permeability. Chloride is part of the of the electrolyte balance of the body and sweat test measures the amount of this ion in sweat to confirm the cystic fibrosis.

Thus, the correct answer is - option E.