Review questions from slides - water soluble vitamins

Question 1

Vitamin C is required for which post-translational modification in collagen synthesis

Answer 1

hydroxylation (of proline and valine)

Question 2

A male smoker should consume how much vitamin C daily

Answer 2

125 mg (90 (RDA) + 35 (for smoking))

Question 3

True or false; hypertension is one of the 4 H’s in scurvy

Answer 3

false; hyperkeratosis, hematologic, hypochondriasis, hemorrhagic

Question 4

TTP (thiamine B1 product) is used in what

Answer 4

Na+/Cl- transport (nervous system synapses)

Question 5

True or false; Acute beri beri is the only beri beri that is ONLY caused by a dietary issue

Answer 5

true; the rest also have absorptive issues as well as dietary

Question 6

True or false; biotin (B7) and Riboflavin (B2) are involved in the pyruvate to acetyl-CoA step

Answer 6

false; Pantothenic acid (B5) and thiamin (B1) are

Question 7

True or false; vitamin C is involved in the ETC

Answer 7

false

Question 8

True or false; niacin synthesis requries riboflavin

Answer 8

true

Question 9

glossitis with a magnet tongue is a clinical indication of which deficiency

Answer 9

riboflavin

Question 10

NAD is a coenzyme for which class of enzymes

Answer 10

Dehydrogenases

Question 11

True or false; biotin (B7) and Thiamin (B1) are not involved in Beta oxidation of even numbered FA

Answer 11

true (Biotin used in odd numbered)

Question 12

True or false; pantothenic acid (B5) is not used in OHOT

Answer 12

true (biotin and riboflavin are)

Question 13

Pantothenic acid (B5) is involved in FA synthesis as part of what

Answer 13

Aceoactyl CoA (anytime see CoA - think B5)

Question 14

True or false; meat is a good source of biotin (B7)

Answer 14

false; mostly formed in gut or plants