āĻŦāĻŋāĻˇāĻ¯āĻŧāĻ đ WBHRB āĻ¸ā§āĻāĻžāĻĢ āĻ¨āĻžāĻ°ā§āĻ¸ CBT āĻā§āĻ¸ā§āĻ â 20 ( Nutrition )
𧎠āĻā§āĻāĻ: đ WBHRB āĻ¸ā§āĻāĻžāĻĢ āĻ¨āĻžāĻ°ā§āĻ¸ CBT āĻā§āĻ¸ā§āĻ â 20 ( Nutrition )
𧎠āĻŽā§āĻ āĻĒā§āĻ°āĻļā§āĻ¨: 50 āĻāĻŋ
âą āĻ¸āĻŽāĻ¯āĻŧāĻ¸ā§āĻŽāĻž: 60 Minute
â āĻ¨ā§āĻā§āĻāĻŋāĻ : -0.5 āĻĒā§āĻ°āĻ¤āĻŋ āĻĒā§āĻ°āĻļā§āĻ¨ā§
â ī¸ āĻā§āĻāĻ āĻļā§āĻˇ āĻšāĻ˛ā§ āĻ¸ā§āĻŦāĻ¯āĻŧāĻāĻā§āĻ°āĻŋāĻ¯āĻŧāĻāĻžāĻŦā§ āĻ°ā§āĻāĻžāĻ˛ā§āĻ āĻĻā§āĻāĻ¤ā§ āĻĒāĻžāĻŦā§āĻ¨āĨ¤
Time over
đ WBHRB āĻ¸ā§āĻāĻžāĻĢ āĻ¨āĻžāĻ°ā§āĻ¸ CBT āĻā§āĻ¸ā§āĻ â 20 ( Nutrition )
1 / 50
1. Which amino acid becomes essential during severe metabolic stress?
Some non-essential amino acids become conditionally essential during trauma or sepsis.
2 / 50
2. Which nutrient enhances absorption of calcium in the intestine?
Vitamin D increases calbindin synthesis.
3 / 50
3. Which amino acid is precursor for nitric oxide synthesis?
Arginine â NO via nitric oxide synthase.
4 / 50
4. Which vitamin deficiency can cause impaired fatty acid β-oxidation?
B2 (FAD) is needed for acyl-CoA dehydrogenase.
5 / 50
5. Which mineral deficiency leads to impaired wound healing?
Required for collagen synthesis and immune function.
6 / 50
6. Which lipoprotein carries cholesterol from tissues to liver?
Known as âgood cholesterolâ due to reverse cholesterol transport.
7 / 50
7. Which amino acid is essential for glutathione synthesis?
Cysteine is the rate-limiting residue.
8 / 50
8. Main energy source for the brain in prolonged starvation?
During long starvation, the brain shifts from glucose to another fuel.
9 / 50
9. Which fatty acid is essential in humans?
Humans cannot synthesize certain polyunsaturated fatty acids.
10 / 50
10. Which vitamin deficiency reduces activity of succinate dehydrogenase?
Succinate dehydrogenase requires FAD (B2).
11 / 50
11. Which amino acid is precursor for melanin production?
Tyrosine â DOPA â melanin.
12 / 50
12. Which mineral toxicity causes "milk-alkali syndrome"?
Excess calcium intake with alkali causes hypercalcemia.
13 / 50
13. Severe thiamine deficiency results in which condition?
Affects nervous system due to impaired glucose metabolism.
14 / 50
14. Which mineral is crucial for thyroid hormone synthesis?
Necessary for T3/T4 formation.
15 / 50
15. Which mineral plays a key role in taste sensation ("hypogeusia")?
Zinc is required for gustin enzyme.
16 / 50
16. Which mineral imbalance causes tetany even when calcium is normal?
Low magnesium blocks PTH release â tetany.
17 / 50
17. What is the major fuel used by the brain during prolonged starvation (>5 days)?
Brain shifts to ketone bodies (β-hydroxybutyrate).
18 / 50
18. Which enzyme requires both thiamine and magnesium as cofactors?
Pyruvate dehydrogenase requires TPP (B1) + Mg²âē.
19 / 50
19. Lactose intolerance results due to deficiency of which enzyme?
Inability to digest milk sugar occurs due to failure to break disaccharide.
20 / 50
20. Deficiency of which vitamin impairs tryptophan to niacin conversion?
Tryptophan converts to niacin only with this vitamin as cofactor.
21 / 50
21. Which vitamin toxicity causes hypercalcemia?
Excess of this fat-soluble vitamin leads to calcium imbalance.
22 / 50
22. Which enzyme requires niacin (NADâē) for its function?
Lactate dehydrogenase uses NADâē.
23 / 50
23. Pellagra is caused by deficiency of which nutrient?
Characterized by dermatitis, diarrhea, dementia.
24 / 50
24. Which vitamin deficiency causes megaloblastic anemia besides B12?
Essential for DNA synthesis in rapidly dividing cells.
25 / 50
25. Which vitamin is essential for collagen hydroxylation?
Necessary for forming stable collagen triple helices.
26 / 50
26. Which amino acid becomes conditionally essential during hepatic failure?
Tyrosine becomes essential due to impaired phenylalanine metabolism.
27 / 50
27. Which vitamin deficiency leads to elevated homocysteine without anemia?
B6 deficiency increases homocysteine but not RBC changes.
28 / 50
28. Which nutrient deficiency causes impaired wound healing and decreased fibroblast activity?
Vitamin C essential for collagen hydroxylation.
29 / 50
29. Which pathway generates ribose-5-phosphate?
This molecule is required for nucleic acid synthesis.
30 / 50
30. Which nutrient deficiency leads to macrocytic anemia with normal methylmalonic acid?
Folate deficiency (B12 elevates MMA).
31 / 50
31. Which vitamin deficiency leads to oxidation of membrane lipids?
Acts as a major antioxidant protecting cell membranes.
32 / 50
32. Deficiency of which vitamin causes bleeding tendency?
Required for synthesis of clotting factors II, VII, IX, X.
33 / 50
33. Which vitamin facilitates iron absorption by reducing FeÂŗâē to Fe²âē?
Vitamin C enhances non-heme iron uptake.
34 / 50
34. Which enzyme is the rate-limiting step in the urea cycle?
A single enzyme controls the speed of ammonia detoxification in the urea cycle.
35 / 50
35. Which nutrient deficiency causes impaired collagen cross-linking?
Copper is needed for lysyl oxidase.
36 / 50
36. Pernicious anemia occurs from deficiency of which nutrient?
This deficiency blocks DNA synthesis and RBC maturation.
37 / 50
37. What is the main cause of hypomagnesemia in chronic alcoholism?
Poor intake + renal wasting due to alcohol.
38 / 50
38. Which nutrient deficiency causes impaired ornithine cycle function?
Arginine is needed for urea cycle.
39 / 50
39. Which nutrient deficiency causes night blindness?
Retina requires this vitamin for rhodopsin formation.
40 / 50
40. Which hormone most strongly stimulates gluconeogenesis?
Gluconeogenesis rises during fasting and stress.
41 / 50
41. Which amino acid is strictly ketogenic?
Ketogenic amino acids produce ketone bodies but not glucose.
42 / 50
42. Which vitamin is needed for methylation of homocysteine to methionine?
B12 + folate are needed; B12 is essential methyl donor.
43 / 50
43. Which nutrient is vital for preventing neural tube defects?
Needed during early pregnancy for fetal neural tissue development.
44 / 50
44. Which trace element deficiency causes cardiomyopathy in parenteral nutrition?
Selenium deficiency â Keshan-like disease.
45 / 50
45. Which glucose transporter works independently of insulin?
Some tissues absorb glucose without insulin stimulation.
46 / 50
46. Which vitamin deficiency reduces kynurenine pathway activity?
B6 acts as cofactor in tryptophan â niacin pathway.
47 / 50
47. Which protein source has the highest biological value?
BV measures the efficiency with which dietary protein supports tissue growth.
48 / 50
48. Which nutrient deficiency causes "gooseflesh" hyperkeratosis?
Vitamin A deficiency leads to follicular hyperkeratosis.
49 / 50
49. Which nutrient deficiency causes Kwashiorkor?
Characterized by edema due to severe protein deficiency.
50 / 50
50. Which nutrient is essential for glutathione peroxidase function?
Selenium forms selenocysteine in GPx.
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