AIIMS CRE 2025
Medical & Surgical Nursing
Medium
Which of the following is NOT an AIDS-defining condition?
Appeared in: AIIMS CRE 2025
Explanation
- A single, isolated episode of bacterial pneumonia, such as that caused by Streptococcus pneumoniae, is not classified as an AIDS-defining condition.
- The official CDC and WHO criteria specify recurrent bacterial pneumonia (defined as two or more episodes within a 12-month period) as an AIDS-defining illness.
- While people with HIV are more susceptible to bacterial pneumonia at any stage, a one-time occurrence does not, by itself, signify the progression to AIDS.
Why Other Options Were Wrong
- Option A: Pneumocystis pneumonia (PCP), caused by the fungus Pneumocystis jirovecii, is a classic and one of the most common AIDS-defining opportunistic infections.
- Option B: Toxoplasmosis affecting the central nervous system (brain) is a severe parasitic infection that is a well-established AIDS-defining condition.
- Option C: While oral candidiasis (thrush) is common in HIV, the infection extending into the esophagus is a specific and more severe criterion for an AIDS-defining illness.
Related Visual
- Visual 1: Table: A comprehensive list of AIDS-defining conditions as per CDC guidelines, categorized by pathogen type (viral, bacterial, fungal, protozoal) and malignancies.
- Visual 2: Chart: Illustrating the relationship between declining CD4+ T-cell counts and the increasing risk of specific opportunistic infections.
Clinical Relevance
- Nursing practice connection: This is primarily an exam-oriented knowledge point with limited direct bedside application, so retain Identification of AIDS-defining conditions as background academic context rather than a clinical decision trigger.
- Nurses play a crucial role in educating HIV-positive patients on the signs and symptoms of opportunistic infections (e.g., persistent cough, fever, vision changes, difficulty swallowing) and the importance of reporting them promptly.
- Monitoring CD4 counts is a key nursing responsibility, as it helps predict the risk for specific AIDS-defining illnesses and guides decisions for starting prophylactic (preventive) medications.
- What if? If the patient had experienced two documented episodes of streptococcal pneumonia within the last year, the condition would be classified as 'recurrent bacterial pneumonia,' which is an AIDS-defining illness. This would change the diagnosis and necessitate a review of the patient's antiretroviral therapy and overall management plan.
How to Approach the Question
- First, identify the core of the question: it asks to find the condition that is not used to define AIDS.
- Recognize the negative framing ('NOT'). This means three options will be true (are AIDS-defining) and one will be false (is not).
- Recall the list of major opportunistic infections and malignancies that constitute an AIDS diagnosis.
- Evaluate each option against this knowledge. Is Pneumocystis pneumonia on the list? Yes. Is toxoplasmosis of the brain? Yes. Is esophageal candidiasis? Yes.
- Evaluate the final option, Streptococcal pneumonia. Remember the specific nuance: while people with HIV are susceptible, the official criterion for an AIDS-defining illness is recurrent bacterial pneumonia, not a single episode.
- Conclude that a single episode of Streptococcal pneumonia is the correct answer as it is the exception among the choices.
Concept Tested & Keywords
- Concept Tested: Identification of AIDS-defining conditions
- Stem keywords: AIDS-defining condition, HIV
- Lead-in keywords: NOT
- Negative lead-in flag: The question asks to identify the option that is NOT an AIDS-defining condition.
Question ID
Q-tx2gt7Ps98d5-WK10Sbi
Practise the full AIIMS CRE 2025
Attempt every question from this paper in a timed mock, then review the full solution for each one.
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