Podcast
Questions and Answers
Which of the following is the coenzyme form of vitamin B1 (thiamine)?
Which of the following is the coenzyme form of vitamin B1 (thiamine)?
- Thiamine pyrophosphate (TPP) (correct)
- Niacin
- Flavin adenine dinucleotide (FAD)
- Flavin mononucleotide (FMN)
What is the primary function of thiamine pyrophosphate (TPP)?
What is the primary function of thiamine pyrophosphate (TPP)?
- Fatty acid oxidation
- Citric acid cycle
- Coenzyme for pyruvate dehydrogenase (which converts pyruvate to acetyl CoA) (correct)
- Involved in mitochondrial respiratory chain
Which of the following is a manifestation of wet (cardiac) beriberi, a deficiency of vitamin B1?
Which of the following is a manifestation of wet (cardiac) beriberi, a deficiency of vitamin B1?
- Edema and difficulty in breathing (correct)
- Angular stomatitis
- Glossitis
- Peripheral neuropathy
Which of the following vitamins is involved in mitochondrial respiratory chain, fatty acid oxidation, and citric acid cycle?
Which of the following vitamins is involved in mitochondrial respiratory chain, fatty acid oxidation, and citric acid cycle?
Which of the following is a deficiency manifestation of riboflavin (vitamin B2)?
Which of the following is a deficiency manifestation of riboflavin (vitamin B2)?
What is the recommended dietary allowance (RDA) for vitamin B1 (thiamine)?
What is the recommended dietary allowance (RDA) for vitamin B1 (thiamine)?
Which of the following is a good source of vitamin B2 (riboflavin)?
Which of the following is a good source of vitamin B2 (riboflavin)?
Which of the following is a manifestation of Wernicke's encephalopathy and Korsakoff's psychosis, seen in alcoholics with vitamin B1 deficiency?
Which of the following is a manifestation of Wernicke's encephalopathy and Korsakoff's psychosis, seen in alcoholics with vitamin B1 deficiency?
What is the primary role of pyridoxine (vitamin B6) in relation to a high-protein diet?
What is the primary role of pyridoxine (vitamin B6) in relation to a high-protein diet?
What is the recommended daily allowance (RDA) for folic acid (vitamin B9)?
What is the recommended daily allowance (RDA) for folic acid (vitamin B9)?
Which of the following is NOT a function of folic acid (vitamin B9)?
Which of the following is NOT a function of folic acid (vitamin B9)?
Which condition is NOT listed as a cause of folic acid deficiency?
Which condition is NOT listed as a cause of folic acid deficiency?
What is the primary manifestation of folic acid deficiency?
What is the primary manifestation of folic acid deficiency?
Which of the following is NOT a good dietary source of folic acid?
Which of the following is NOT a good dietary source of folic acid?
What is the coenzyme form of folic acid?
What is the coenzyme form of folic acid?
Which of the following is a potential adverse effect of the anticancer drug methotrexate?
Which of the following is a potential adverse effect of the anticancer drug methotrexate?
What is the main source of vitamin B12?
What is the main source of vitamin B12?
Which form of vitamin B12 is required for the enzyme methionine synthase?
Which form of vitamin B12 is required for the enzyme methionine synthase?
What can cause a deficiency in vitamin B12 due to impaired absorption?
What can cause a deficiency in vitamin B12 due to impaired absorption?
Which manifestation is associated with megaloblastic anemia caused by a deficiency in vitamin B12?
Which manifestation is associated with megaloblastic anemia caused by a deficiency in vitamin B12?
What is the consequence of a deficiency in vitamin B12 regarding homocysteine levels?
What is the consequence of a deficiency in vitamin B12 regarding homocysteine levels?
What neurological symptoms can occur due to a deficiency in vitamin B12?
What neurological symptoms can occur due to a deficiency in vitamin B12?
What enzymatic activity does deoxyadenosylcobalamin support?
What enzymatic activity does deoxyadenosylcobalamin support?
What group of individuals could be at risk for vitamin B12 deficiency due to decreased intake?
What group of individuals could be at risk for vitamin B12 deficiency due to decreased intake?
What is the primary function of vitamin B5 (pantothenic acid)?
What is the primary function of vitamin B5 (pantothenic acid)?
Which vitamin deficiency can lead to dermatitis and hair loss?
Which vitamin deficiency can lead to dermatitis and hair loss?
What is the recommended dietary allowance (RDA) for vitamin C in adults?
What is the recommended dietary allowance (RDA) for vitamin C in adults?
Which of the following is NOT a function of vitamin C?
Which of the following is NOT a function of vitamin C?
Which symptom is NOT associated with vitamin C deficiency (scurvy)?
Which symptom is NOT associated with vitamin C deficiency (scurvy)?
Which of the following is a good dietary source of vitamin B5 (pantothenic acid)?
Which of the following is a good dietary source of vitamin B5 (pantothenic acid)?
What is the coenzyme form of vitamin B5 (pantothenic acid) called?
What is the coenzyme form of vitamin B5 (pantothenic acid) called?
What is the primary function of vitamin C in the body?
What is the primary function of vitamin C in the body?
What is the primary function of NAD+ in the body?
What is the primary function of NAD+ in the body?
Which coenzyme functions more often in biosynthetic reactions like the synthesis of fatty acids and cholesterol?
Which coenzyme functions more often in biosynthetic reactions like the synthesis of fatty acids and cholesterol?
What are the manifestations of niacin deficiency?
What are the manifestations of niacin deficiency?
Which vitamin deficiency manifests as irritability, depression, confusion, and glossitis?
Which vitamin deficiency manifests as irritability, depression, confusion, and glossitis?
Inadequate dietary intake is a cause for deficiency of which coenzyme form?
Inadequate dietary intake is a cause for deficiency of which coenzyme form?
Which coenzyme acts as a coenzyme for heme synthesis and glycogenolysis?
Which coenzyme acts as a coenzyme for heme synthesis and glycogenolysis?
Which syndrome is associated with niacin deficiency?
Which syndrome is associated with niacin deficiency?
