**Core Concept**
The question tests the association between various infections and nephropathies, which are diseases of the kidneys. Infections can cause nephropathies through immune-mediated mechanisms, direct invasion of renal tissue, or toxin production.
**Why the Correct Answer is Right**
Since the correct answer is not provided, let's discuss the general mechanism. Infections like **poststreptococcal glomerulonephritis** (PSGN) are well-known to cause nephropathies. PSGN occurs after an infection with certain strains of **group A beta-hemolytic streptococci**. The immune response to the infection leads to the deposition of immune complexes in the glomeruli, causing inflammation and renal damage.
**Why Each Wrong Option is Incorrect**
**Option A:** Typically, infections such as PSGN have a clear association with nephropathies.
**Option B:** Certain viral infections can cause nephropathies, such as **HIV-associated nephropathy**.
**Option C:** Bacterial infections, including those caused by **Staphylococcus**, can lead to nephropathies.
**Option D:** Parasitic infections, like **malaria**, have been linked to kidney diseases.
**Clinical Pearl / High-Yield Fact**
Infections can cause nephropathies through various mechanisms, including immune complex deposition and direct tissue invasion. Recognizing these associations is crucial for diagnosing and managing renal diseases.
**Correct Answer:** D. Malaria
Free Medical MCQs Β· NEET PG Β· USMLE Β· AIIMS
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