Water-Soluble Vitamins Quiz
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Questions and Answers

Which enzyme is involved in oxidative decarboxylation reactions in energy metabolism as a coenzyme role of Vitamin B1?

  • Transketolase
  • Acetyl-CoA
  • Branch-chain keto-acid dehydrogenase
  • Pyruvate dehydrogenase (correct)

    • Which condition is associated with Wet Beriberi due to Vitamin B1 deficiency?

  • Oedema (correct)
  • Muscle wasting
  • Stiffness and cramps in legs
  • Nervous system weakness

    • What is the usual presentation of Vitamin B1 deficiency in alcoholics?

  • Wernicke's encephalopathy
  • Wernicke-Korsakoff syndrome (correct)
  • Korsakoff’s psychosis
  • Dry Beriberi

    • Which metabolic pathway does Transketolase participate in as a coenzyme role of Vitamin B1?

    <p>Pentose phosphate pathway</p> Signup and view all the answers

    Which molecule is involved in the reaction catalyzed by α-ketoglutarate dehydrogenase, requiring thiamine diphosphate (TDP) as a coenzyme?

    <p>α-ketoglutarate</p> Signup and view all the answers

    What is the result of chronic deficiency and high carbohydrate intake of Vitamin B1?

    <p>Beriberi (weakness)</p> Signup and view all the answers

    Which of the following is a non-coenzyme role of Vitamin B1 in nerve conduction?

    <p>Needed for nerve membrane Na transport protein</p> Signup and view all the answers

    What is the effect of Vitamin B1 deficiency on the heart in Wet Beriberi?

    <p>Arterioles dilate, fast blood flow and pulse</p> Signup and view all the answers

    In which metabolic pathway is Thiamine diphosphate (TDP) (TPP) involved as a coenzyme in energy metabolism?

    <p>Oxidative decarboxylation</p> Signup and view all the answers

    Which vitamin is water soluble and known for its antioxidant properties?

    <p>Vitamin C</p> Signup and view all the answers

    Which vitamin is also known as pyridoxine?

    <p>Vitamin B6</p> Signup and view all the answers

    Which food item is a good source of thiamin (Vitamin B1)?

    <p>Pork, lean (cooked) 3 ounces</p> Signup and view all the answers

    Which vitamin is essential for the formation of red blood cells?

    <p>Vitamin B12</p> Signup and view all the answers

    Which vitamin is involved in the metabolism of carbohydrates, fats, and proteins?

    <p>Riboflavin (B2)</p> Signup and view all the answers

    Which vitamin is important for the health of the skin, eyes, and immune system?

    <p>Vitamin C</p> Signup and view all the answers

    Which vitamin is involved in the production of coenzymes that are essential for energy metabolism?

    <p>Vitamin B3</p> Signup and view all the answers

    Which vitamin is important for the synthesis of fatty acids and the production of steroid hormones?

    <p>Vitamin B5</p> Signup and view all the answers

    Which vitamin is known for its role in the metabolism of amino acids and the production of neurotransmitters?

    <p>Vitamin B6</p> Signup and view all the answers

    Which food item is the best source of thiamin (Vitamin B1) per serving?

    <p>Pork, lean (cooked) 3 ounces</p> Signup and view all the answers

    Which of the following is a non-coenzyme role of Vitamin B1 in nerve conduction?

    <p>Formation of myelin sheath</p> Signup and view all the answers

    What is the chemical structure of Thiamine diphosphate (TDP) (TPP)?

    <p>Pyrimidine ring and thiazole ring</p> Signup and view all the answers

    Which condition is associated with Wet Beriberi due to Vitamin B1 deficiency?

    <p>Cardiac failure</p> Signup and view all the answers

    In which metabolic pathway is Transketolase involved as a coenzyme role of Vitamin B1?

    <p>Pentose phosphate pathway</p> Signup and view all the answers

    What is the result of chronic deficiency and high carbohydrate intake of Vitamin B1?

    <p>Beriberi</p> Signup and view all the answers

    What is the effect of Vitamin B1 deficiency on the heart in Wet Beriberi?

    <p>Dilation</p> Signup and view all the answers

    Which vitamin is known for its role in the metabolism of amino acids and the production of neurotransmitters?

    <p>Vitamin B6 (Pyridoxine)</p> Signup and view all the answers

    Which vitamin is important for the synthesis of fatty acids and the production of steroid hormones?

    <p>Vitamin B5 (Pantothenic acid)</p> Signup and view all the answers

    Which enzyme is involved in the oxidative decarboxylation of pyruvate as a coenzyme role of Vitamin B1?

    <p>Pyruvate dehydrogenase</p> Signup and view all the answers

    Which condition is associated with the nervous system in Dry Beriberi due to Vitamin B1 deficiency?

    <p>Muscle wasting and paralysis</p> Signup and view all the answers

    Which of the following is a non-coenzyme role of Vitamin B1 in nerve conduction?

    <p>Nerve membrane Na transport protein</p> Signup and view all the answers

    Which syndrome is the usual presentation of Vitamin B1 deficiency in alcoholics?

    <p>Wernicke-Korsakoff syndrome</p> Signup and view all the answers

    Which vitamin is associated with Oedema in Wet Beriberi?

    <p>Vitamin B1 (Thiamin)</p> Signup and view all the answers

    Which metabolic pathway does Transketolase participate in as a coenzyme role of Vitamin B1?

    <p>Pentose phosphate pathway</p> Signup and view all the answers

    Which molecule is involved in the reaction catalyzed by α-ketoglutarate dehydrogenase, requiring thiamine diphosphate (TDP) as a coenzyme?

    <p>α-ketoglutarate</p> Signup and view all the answers

    Which of the following is a synthesis role of Vitamin B1 in energy metabolism?

    <p>Synthesis of fatty acids</p> Signup and view all the answers

    Which vitamin is essential for nerve conduction as a non-coenzyme role?

    <p>Vitamin B1 (Thiamin)</p> Signup and view all the answers

    Which of the following is a metabolic function of Vitamin B2 (Riboflavin)?

    <p>Electron carriers in oxidation and reduction reactions</p> Signup and view all the answers

    What is the recommended daily intake of Vitamin B2 (Riboflavin) in mg per MJ?

    <p>1.3-1.6</p> Signup and view all the answers

    Which of the following is a food source of Vitamin B2 (Riboflavin)?

    <p>Salmon</p> Signup and view all the answers

    What is the coenzyme role of Vitamin B2 (Riboflavin) in the TCA cycle?

    <p>FAD</p> Signup and view all the answers

    Which enzyme is associated with Vitamin B2 (Riboflavin) deficiency, leading to an inflammatory lesion in the mouth?

    <p>Glutathione reductase</p> Signup and view all the answers

    Which of the following is a function of Flavin mononucleotide, a component of Vitamin B2 (Riboflavin)?

    <p>Electron transport chain</p> Signup and view all the answers

    What is the role of Vitamin B2 (Riboflavin) in oxidative/reduction reactions?

    <p>Acting as an antioxidant enzyme</p> Signup and view all the answers

    In which metabolic process is Vitamin B2 (Riboflavin) involved as a coenzyme?

    <p>Amino acid oxidation</p> Signup and view all the answers

    What is the role of Vitamin B2 (Riboflavin) in the Mitochondrial electron transport chain?

    <p>Donating electrons to the chain</p> Signup and view all the answers

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