Niacin deficiency in human adults results in___________________?
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Answer: D. All the above
Explanation
A deficiency in niacin or vitamin B3 leads to pellagra which manifests multiple systemic symptoms. Affected individuals classically develop dementia along with severe diarrhea and painful skin inflammation. Option D is correct because all listed clinical manifestations are associated with this deficiency. Niacin serves as a crucial precursor for vital coenzymes involved in cellular energy metabolism. Dietary sources include meat poultry fish and enriched grain products consumed globally. Pellagra historically affected populations subsisting primarily on unfortified corn based diets.
Nutritional counseling helps prevent deficiency diseases through balanced diet education and food fortification. Public health programs routinely add vitamins to staple flours to eradicate deficiency disorders. Clinicians evaluate multiple overlapping symptoms when diagnosing complex nutritional disorders in patients. Option A highlights only the neurological symptom while ignoring other classic clinical signs. Option B focuses solely on gastrointestinal distress without acknowledging the broader systemic syndrome. Option C mentions oral ulcers which represent just one component of the broader clinical presentation.
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- Agriculture
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- Agriculture
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