Vitamins

Question 1

organic compound that is required in the diet in small amounts for the maintenance of normal metabolic integrity

Answer 1

Vitamins

Question 2

have low catalytic activity in cellular reactions if vitamins are not present ?

Answer 2

Enzymes

Question 3

Essential for vision, reproduction, growth, and maintenance of epithelial tissues

Answer 3

Vitamin A

Question 4

Deficiency could be caused by fat malabsorption or impaired liver function

Answer 4

Vitamin A

Question 5

Act as an antioxidant protecting unsaturated lipids from peroxidation,

Protecting the erythrocyte membrane from oxidative stress

Sources: vegetable oils, nuts, and grains

Answer 5

Vitamin E

Question 6

Sources: fatty fish, liver, egg yolk and fortified dairy

Essential in maintaining adequate plasma levels of calcium and phosphate

Answer 6

Vitamin D

Question 7

Chronic kidney disease and hypoparathyroidism caused by ?

Answer 7

Vitamin D deficiency

Question 8

Deficiency is Associated with loss of appetite, nausea, thirst, and stupor

Answer 8

vitamin D

Question 9

Which vitamin the Active form is hydroquinone ?

Answer 9

Vitamin K

Question 10

Sources: cabbage, kale, spinach, egg yolk, and liver. Produced by gut bacteria too

Answer 10

Vitamin K

Question 11

Antibiotics could lead to deficiency of vitamin?

Answer 11

Vitamin K

Question 12

Act as a coenzyme in hydroxylation reactions
collagen synthesis
maintenance of normal connective tissue
as well as for wound healing
Act as an antioxidant

Answer 12

Vitamin C

Question 13

Vitamin deficiency leads to scurvy and seen in sailors historically?

Answer 13

Vitamin c

Question 14

Sources: meat, dairy, and grains

Act as a coenzyme in
decarboxylation
reactions

Pentose phosphate
pathway

Krebs cycle

Answer 14

Thiamine (B1)

Question 15

Associated with alcoholism

Answer 15

Wernicke-Korsakoff syndrome

Question 16

abnormal eye movements (nystagmus), ophthalmoplegia,
ataxia, and cognitive impairment

Answer 16

Wernicke’s encephalopathy

Question 17

confusion, dementia, and hallucination

Answer 17

Korsakoff psychosis:

Question 18

Acts as an electron carrier in redox reaction ,

forming FMNH2 FADH2

Citric acid (Krebs) cycle

Electron transport chain

Coenzyme to glutathione reductase

Answer 18

Riboflavin (B2)

Question 19

Source: unrefined grains, meat (liver), and milk

synthesized in the body by tryptophan

Forms NAD+ and NADP+

Answer 19

Niacin (B3)

Question 20

Deficiency due to malnutrition causes Pellagra (rough skin)

used as hyperlipidemia treatment - strongly inhibits lipolysis in adipose tissue

Answer 20

Niacin (B3) nicotinic acid

Question 21

coenzyme for carboxylases
Fatty acid synthesis
mark of histone modification
regulate gene expression

Answer 21

Biotin (B7)

Question 22

Symptoms: dermatitis, glossitis, loss of
appetite and nausea.

Answer 22

Biotin (B7)

Question 23

Source: Eggs, liver, and yeast

component of Coenzyme A

functions in the transfer of
acyl groups

essential in multiple metabolic pathways in
the body

Answer 23

Pantothenic acid (B5)

Question 24

Used in immunohistochemistry

Answer 24

Biotin ( B7)