PATHOLOGY MCQ
RESPIRATORY SYSTEM
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Question
[CLICK ON ANY CHOICE TO KNOW THE RIGHT ANSWER]
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Test performed on blood serum to detect the presence of streptolysin enzyme O, which is secreted by beta-hemolytic streptococcus. Positive results indicate streptococcal infection.
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Visual examination of the larynx, trachea, and bronchi via a flexible bronchoscope.
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Test measures the acidity (pH) and the levels of oxygen and carbon dioxide in the blood.
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Test performed on sputum to detect the presence of Mycobacterium tuberculosis, an acid-fast bacilli. Positive results indicate tuberculosis.
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Detailed explanation-1: -What is bronchoscopy? Bronchoscopy is a procedure to look directly at the airways in the lungs using a thin, lighted tube (bronchoscope). The bronchoscope is put in the nose or mouth. It is moved down the throat and windpipe (trachea), and into the airways.
Detailed explanation-2: -The visual examination of the bronchi of the lungs by the use of the bronchoscope which may be inserted into the oral or nasal cavities. The larynx, pharynx, and trachea may be visualized as the scope is passed to the bronchi. It may serve other purposes also.
Detailed explanation-3: -Bronchoscopy is a procedure a doctor uses to look inside the lungs. This is done with a bronchoscope, a thin, flexible tube with a light and a lens or small video camera on the end.
Detailed explanation-4: -Flexible bronchoscopy is a procedure that allows a clinician to examine the breathing passages (airways) of the lungs (figure 1). Flexible bronchoscopy can be either a diagnostic procedure (to find out more about a possible problem) or a therapeutic procedure (to try to treat an existing problem).