Rose Bengal test is used in the diagnosis of?

Chitranjjan National Cancer Institute Kolkata - 2021

Community Health Nursing

Easy

Appeared in: Chitranjjan National Cancer Institute Kolkata - 2021

Explanation

The Rose Bengal Plate Test (RBPT) is a rapid slide agglutination method specifically designed for the serological screening of Brucellosis.
It uses a stained Brucella abortus antigen that clumps together in the presence of specific antibodies in the patient's serum.
Due to its simplicity, low cost, and high sensitivity, it is widely used as a primary screening tool in both human and veterinary medicine, especially in endemic areas.
A positive Rose Bengal test indicates probable infection and necessitates confirmation with more specific tests like the Standard Agglutination Test (SAT) or ELISA.

Option B: Byssinosis is an occupational lung disease, not an infection diagnosed by serology. Its diagnosis relies on a history of exposure to cotton/flax/hemp dust and pulmonary function tests.
Option C: Whooping cough (Pertussis) is a bacterial respiratory infection. The gold standard for diagnosis is isolating Bordetella pertussis via culture or detecting its genetic material through PCR from a nasopharyngeal swab.
Option D: Bronchiectasis is a structural lung disease characterized by permanent dilation of the airways. It is diagnosed through imaging, not a blood test for antibodies.

Clinical Relevance

Nursing practice connection: Use the key finding related to Diagnostic screening for Brucellosis to guide bedside assessment, documentation, and the next nursing action.
Nurses are crucial in preventing Brucellosis by educating patients, especially in rural and high-risk communities, about the dangers of consuming unpasteurized milk and dairy products.
When collecting blood for Brucellosis testing, nurses must use standard precautions and ensure the sample is correctly labeled, alerting the laboratory of the suspected diagnosis due to the high risk of laboratory-acquired infection.
What if? If a patient with a positive Rose Bengal test is a pregnant woman, the nurse must be aware that certain standard treatments (like doxycycline) are contraindicated. The nurse should anticipate a different treatment regimen, such as trimethoprim-sulfamethoxazole, and provide appropriate patient education.

How to Approach the Question

This is a factual recall question that tests your knowledge of specific diagnostic tests.
Identify the key term in the question stem: 'Rose Bengal test'.
Access your memory about common laboratory and diagnostic procedures.
Recall that the Rose Bengal test is a type of agglutination test used for screening an infectious disease.
Evaluate each option to find the correct association. Brucellosis is a zoonotic infection for which serological screening is common. The other options are primarily diagnosed through other means (pulmonary function tests, PCR, or imaging).
Conclude that the Rose Bengal test is used for the diagnosis of Brucellosis.

Concept Tested & Keywords

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