38. Riboflavin (B2) is a structural component of:

39. Pellagra, characterized by the "3 Ds" (Dementia, Dermatitis, Diarrhea), is caused by a deficiency of:

40. Pyridoxine (B6) serves as a cofactor for:

41. Low maternal Folate intake during pregnancy is associated with:

42. Vitamin C (Ascorbate) is essential for:

43. Which vitamin is a component of Rhodopsin (visual purple)?

44. The active form of Vitamin D, produced in the kidneys, is:

45. Deficiency of Vitamin E is associated with:

46. Vitamin K is essential for the synthesis of which clotting factors?

47. Zinc is a cofactor for which of these enzymes?

48. Wilson's disease is caused by an excess of:

49. Selenium is a component of which antioxidant enzyme?

50. Excess Manganese (Mn) can cause symptoms similar to:

51. Chromium deficiency is associated with:

52. Lead poisoning inhibits enzymes in:

53. Chronic Mercury poisoning primarily affects the:

54. Aluminium toxicity in renal impairment leads to:

55. Which part of the nephron is responsible for isosmotic reabsorption?

56. A reduction in GFR with normal tubular function leads to:

57. Tubular dysfunction with normal GFR results in:

58. Pre-renal causes of Acute Kidney Injury include: