Saturday, August 11, 2018
Repeated USMLE Questions Step 2 CK- 261
Which of the following diagnostic techniques will provide you with the correct diagnosis of this patient?
A- TB skin test
B- CT of the chest
C- Serum immunoglobulins
D- Sweat chloride test
Keeping the symptoms of the baby in mind, doctors will first suspect cystic fibrosis, which generally presents during infancy with poor growth and recurrent respiratory and/or intestinal diseases. The sweat chloride test is one of the most common diagnostic tests used to evaluate a patient if you suspect cystic fibrosis. Cystic fibrosis impacts the manner in which chloride moves in and out of cells. As sweat contains chloride in the form of sodium chloride, sweat chloride test is used as the standard method for diagnosing cystic fibrosis.
The correct answer is D