Fish is a source of all except?

Appeared in: RUHS, Jaipur, M.Sc Nursing Entrance Exam-2021

Explanation

Fish is not considered a primary or rich source of iron, especially when compared to other animal sources like red meat and liver.
While some fish contain iron, the concentration is generally lower than its content of other nutrients like iodine and vitamin A.
Dietary guidelines for addressing iron deficiency typically emphasize consumption of red meat, poultry, and legumes over fish.

Option B: This is incorrect because sea fish are one of the richest natural sources of iodine.
Option C: This is incorrect because marine (sea) fish are a known dietary source of fluoride.
Option D: This is incorrect because oily fish and fish liver oils are exceptionally rich sources of Vitamin A.

Clinical Relevance

Nursing practice connection: This is primarily an exam-oriented knowledge point with limited direct bedside application, so retain This question tests knowledge of the primary micronutrients found in fish as background academic context rather than a clinical decision trigger.
When providing dietary counseling, nurses should recommend appropriate food sources based on the patient's specific nutritional deficiencies. For iron-deficiency anemia, red meat and legumes are superior choices to fish.
For patients with thyroid disorders, recommending iodine-rich foods like sea fish is an important intervention.
Understanding food sources is crucial for patient education on preventing deficiencies, such as recommending fluoride from fish/water for dental health or Vitamin A from fish for vision.

How to Approach the Question

First, identify the keyword 'except'. This indicates you are looking for the option that does not fit with the others.
The question asks what nutrient fish is NOT a significant source of.
Recall or look up the major nutrients found in fish.
Evaluate each option: Is fish a good source of Iodine? Yes. Is it a good source of Fluoride? Yes. Is it a good source of Vitamin A? Yes, especially oily fish.
Evaluate the last option: Is fish a good source of Iron? It contains some, but it's not considered a primary source like red meat.
Conclude that Iron is the nutrient for which fish is the least significant source among the given choices.

Concept Tested & Keywords

Concept Tested: This question tests knowledge of the primary micronutrients found in fish.
Stem keywords: Fish, source, nutrient
Lead-in keywords: except
Negative lead-in flag: The question uses the word 'except', asking to identify the nutrient for which fish is NOT a significant source.

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E6 Pharmacology Nursing Lilley 11e Part 3 p. 196-198

E6 Medicine Davidson Principles Practice 24e p. 737-739

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