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 (A)</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 (B)</p> Signup and view all the answers

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

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

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

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

Which vitamin is also known as pyridoxine?

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

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

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

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

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

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

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

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

<p>Vitamin C (D)</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 (A)</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 (A)</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 (D)</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 (D)</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 (A)</p> Signup and view all the answers

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

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

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

<p>Cardiac failure (A)</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 (D)</p> Signup and view all the answers

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

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

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

<p>Dilation (D)</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) (D)</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) (C)</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 (B)</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 (B)</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 (B)</p> Signup and view all the answers

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

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

Which vitamin is associated with Oedema in Wet Beriberi?

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

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

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

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

<p>Salmon (A)</p> Signup and view all the answers

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

<p>FAD (B)</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 (D)</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 (B)</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 (A)</p> Signup and view all the answers

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

<p>Amino acid oxidation (D)</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 (C)</p> Signup and view all the answers

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