Quiz 🩺 Medicine
Fat and water soluble Vitamins Quiz
Quiz generated from Fat and water soluble Vitamins
Want to study this quiz?
Copy it to your free Gradiuz library and make it your own.
Question 1
Which set contains only fat-soluble vitamins?
- A, D, E, K
- B1, B2, B3
- B5, B6, B7
- C, folate, B12
Question 2
The fat-soluble vitamins are A, D, E, and ________.
Fill in the blank
Question 3
Which condition is a classic sign of vitamin A deficiency?
- Nyctalopia
- Scurvy
- Pellagra
- Beriberi
Question 4
Which disorder is caused by vitamin D deficiency in adults?
- Osteomalacia
- Rickets
- Keratomalacia
- Hemolytic anemia
Question 5
Vitamin D acts as a hormone and is synthesized in the skin.
- True
- False
Question 6
Which condition is associated with vitamin E deficiency, especially in premature infants?
- Hemolytic anemia
- Megaloblastic anemia
- Iron deficiency anemia
- Sickle cell anemia
Question 7
Which enzyme depends on vitamin K?
- Gamma-glutamyl carboxylase
- 25-hydroxylase
- 1α-hydroxylase
- Transketolase
Question 8
Vitamin K deficiency causes hemorrhagic disease but does not cause connective tissue abnormalities or prolonged bleeding time.
- True
- False
Question 9
Wernicke-Korsakoff syndrome results from deficiency of which vitamin?
- Thiamine (B1)
- Niacin (B3)
- Riboflavin (B2)
- Vitamin E
Question 10
Which deficiency causes cheilosis, magenta-colored tongue, and corneal neovascularization?
- Riboflavin (B2)
- Thiamine (B1)
- Niacin (B3)
- Vitamin A
Question 11
Which coenzyme is made from pantothenic acid (vitamin B5)?
- Coenzyme A
- NADH
- FADH2
- Thiamine pyrophosphate
Question 12
Niacin deficiency causes pellagra, whose four D's are dermatitis, dementia, diarrhea, and ________.
Fill in the blank
Question 13
Which condition is classically associated with vitamin B5 deficiency?
- Peripheral nerve damage (burning foot syndrome)
- Convulsions
- Sideroblastic anemia
- Fasting hypoglycemia
Question 14
Vitamin B5 is involved in which pair of metabolic processes?
- Fatty acid activation and TCA cycle
- Protein catabolism and heme synthesis
- Carboxylase activity and cell-cycle regulation
- Methyl-group transfer
Question 15
The active coenzyme form of vitamin B6 is abbreviated as ___.
Fill in the blank
Question 16
Which enzymes require vitamin B6 (PLP)?
- Aminotransferases such as AST and ALT, and δ-aminolevulinate synthase
- Methylmalonyl-CoA mutase and homocysteine methyltransferase
- Carboxylases
- Dehydrogenases
Question 17
Vitamin B6 participates in heme synthesis.
- True
- False
Question 18
A patient has cheilosis, convulsions, and sideroblastic anemia. Which vitamin deficiency is most likely?
- Vitamin B6
- Vitamin B2
- Vitamin B5
- Vitamin B7
Question 19
Isoniazid therapy is associated with deficiency of which vitamin?
- Vitamin B6
- Vitamin B12
- Vitamin B7
- Vitamin B5
Question 20
Which class of enzymes depends on biotin (vitamin B7)?
- Carboxylases
- Aminotransferases
- Methyltransferases
- Mutases
Question 21
Biotin (B7) is only a carboxylase coenzyme and has no role in cell-cycle regulation.
- True
- False
Question 22
Which statement about biotin deficiency is correct?
- Its most common cause is avidin from uncooked egg whites, and features can include fasting hypoglycemia and dermatitis.
- It causes burning foot syndrome.
- It is caused by isoniazid and leads to sideroblastic anemia.
- It causes convulsions and cheilosis.
Question 23
Which pair of enzymes requires vitamin B12?
- Methylmalonyl-CoA mutase and homocysteine methyltransferase
- Aminotransferases and δ-aminolevulinate synthase
- Carboxylases
- Fatty acyl-CoA synthetases
Question 24
Vitamin B12 participates in methyl-group transfer through homocysteine methyltransferase.
- True
- False
Made with Gradiuz
Turn any PDF into quizzes, flashcards and summaries - free.