The wet form of beri beri characterized by involvement of:

Appeared in: NVS- 2025

Explanation

Wet beriberi is defined by its primary impact on the cardiovascular system.
The term 'wet' refers to the edema (fluid accumulation) that results from high-output cardiac failure, a hallmark of this condition.
Key cardiac manifestations include tachycardia (rapid heart rate), vasodilation, cardiomegaly (enlarged heart), and eventually, congestive heart failure.
This form of thiamine deficiency impairs myocardial energy metabolism, leading to a weakened and inefficient heart.

Option B: Involvement of the nerves is the primary characteristic of 'dry' beriberi, not 'wet' beriberi.
Option C: The kidneys are not the primary organ system affected in beriberi. Renal dysfunction can occur, but it is a secondary consequence of the severe heart failure and fluid overload seen in wet beriberi.
Option D: Brain involvement is characteristic of cerebral beriberi, specifically Wernicke-Korsakoff syndrome.

Clinical Relevance

Nursing practice connection: This is primarily an exam-oriented knowledge point with limited direct bedside application, so retain Clinical manifestations of wet beriberi as background academic context rather than a clinical decision trigger.
Nurses must be able to differentiate between wet and dry beriberi based on clinical signs. Recognizing cardiac symptoms (tachycardia, edema, dyspnea) points to wet beriberi and requires urgent cardiac monitoring and intervention.
Thiamine deficiency is a critical consideration in at-risk populations, including patients with chronic alcoholism, malnutrition, post-bariatric surgery status, or those on long-term parenteral nutrition. A high index of suspicion is key.
What if? If a patient with known alcoholism presents with confusion and an unsteady gait, the priority shifts from cardiac assessment (for wet beriberi) to neurological assessment for Wernicke-Korsakoff syndrome (cerebral beriberi), and immediate IV thiamine administration is critical before giving glucose to prevent worsening of the encephalopathy.

How to Approach the Question

First, identify the core concept in the question: 'wet form of beri beri'.
Recall that beriberi is a thiamine (B1) deficiency disease with different forms.
Use a mnemonic or association: 'Wet' implies fluid, like the edema seen in heart failure. Therefore, wet beriberi is associated with the cardiovascular system (Heart).
Contrast this with 'dry' beriberi, which affects the 'dry' wiring of the body—the nerves.
Evaluate the options: 'Heart' directly aligns with the cardiovascular effects of wet beriberi. 'Nerves' relates to dry beriberi, and 'Brain' to cerebral beriberi. 'Kidney' is a secondary effect, not primary. This confirms 'Heart' as the correct answer.

Concept Tested & Keywords

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E6 Nelson Textbook of Pediatrics(2024) — Volume 1 p. 504-506

E6 Medicine Harrison 22e Part 2 p. 1516-1518

Practise the full NVS- 2025

Attempt every question from this paper in a timed mock, then review the full solution for each one.