UPUMS Nsg.Officer-2024
Applied Nutrition & Dietetics
Easy
Which type of the following food is rich in omega 3 fatty acids?
Appeared in: UPUMS Nsg.Officer-2024
Explanation
- Oily fish, such as salmon, mackerel, herring, and sardines, are exceptionally rich dietary sources of the omega-3 fatty acids EPA (eicosapentaenoic acid) and DHA (docosahexaenoic acid).
- These long-chain polyunsaturated fats are considered essential because the human body cannot synthesize them in sufficient amounts, making dietary intake crucial.
- The concentration of omega-3s in oily fish is significantly higher than in any of the other food options listed.
- These fatty acids play a vital role in cell membrane structure, particularly in the brain and nervous system, and have potent anti-inflammatory and cardiovascular benefits.
Why Other Options Were Wrong
- Option B: Pork is primarily a source of protein and saturated fats. It contains negligible amounts of omega-3 fatty acids.
- Option C: Chicken is a source of lean protein but is not rich in omega-3 fatty acids. The fat in chicken is predominantly monounsaturated and saturated fat.
- Option D: While eggs do contain some omega-3 fatty acids (especially omega-3 enriched eggs), the quantity is significantly lower than that found in oily fish.
Related Visual
Clinical Relevance
- Nursing practice connection: This is primarily an exam-oriented knowledge point with limited direct bedside application, so retain Dietary sources of omega-3 fatty acids as background academic context rather than a clinical decision trigger.
- Nurses often provide dietary counseling to patients, especially those at risk for cardiovascular disease. Recommending the consumption of oily fish 1-2 times per week is a key evidence-based intervention to improve lipid profiles and reduce inflammation.
- Omega-3 fatty acids are essential for fetal and infant brain development. Pregnant and breastfeeding mothers are encouraged to consume low-mercury oily fish.
- What if? If a patient is vegetarian or vegan and cannot eat fish, the nurse should recommend plant-based sources of ALA omega-3s, such as flaxseeds, chia seeds, and walnuts. For direct sources of EPA and DHA, an algae-based supplement would be the appropriate recommendation.
How to Approach the Question
- First, identify the key concept in the question, which is finding the 'richest' source of 'omega-3 fatty acids'.
- Mentally scan the nutritional profiles of the four options provided: Oily fish, Pork, Chicken, and Egg.
- Recall that 'oily fish' is a food category specifically known for its high content of healthy fats, particularly omega-3s.
- Compare this with the other options. Pork and chicken are primarily known as protein sources, with different fat profiles. Eggs are known for protein and contain some fats, but not in the high concentrations seen in oily fish.
- Conclude that oily fish is the most concentrated and significant source of omega-3s among the choices.
Concept Tested & Keywords
- Concept Tested: Dietary sources of omega-3 fatty acids
- Stem keywords: food, rich, omega 3 fatty acids
- Lead-in keywords: Which type
- Negative lead-in flag: false
Question ID
QgvtzcIvkRXkg5cQDDMhr0
Reference Book
E6 textbook of Applied Biochemistry and Nutrition & DieteticsHarbans Lal (pp 26-464 of 479) p. 278-280
E6 Robert Boland, Marcia L. Verduin - Kaplan and Sadock's Comprehensive Text of Psychiatry-Wolters Kluwer Health (2024) (pp 1-16525 of 16525) p. 13453-13455
E6 Kaplan Sadock's Synopsis of Psychiatry-2022 (pp 1-3768 of 3768) p. 3069-3071
Practise the full UPUMS Nsg.Officer-2024
Attempt every question from this paper in a timed mock, then review the full solution for each one.
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