Deficiency syndromes of water-soluble vitamins — Flashcards

Flashcard 1: Pellagra (B3 deficiency) is associated with _____-pigmentation of sun-exposed limbs

Answer: hyper

Flashcard 2: Vitamin B12 deficiency is characterized by _____ serum methylmalonic acid

Answer: increased

Flashcard 3: Folate deficiency is characterized by _____ serum methylmalonic acid

Answer: normal

Flashcard 4: Collagen Synthesis: Hydroxylation of selected prolines and lysines during collagen synthesis requires vitamin _____

Answer: C

Flashcard 5: Which tissues are affected first in vitamin B1 (thiamine) deficiency? _____

Answer: Highly aerobic tissue (e.g. brain, heart)

Flashcard 6: Does vitamin B9 (folate) deficiency cause neurologic symptoms? _____

Answer: No

Flashcard 7: What vitamins (3) function as antioxidants?_____

Answer: Vitamins A, C, and E

Flashcard 8: Mild deficiencies of vitamin B3 cause _____

Answer: glossitis

Flashcard 9: vitamin B2 (riboflavin)

Answer: component of FADH2, cofactor in redox

Extra: angular chelitis

Flashcard 10: vitamin B3 (niacin)

Answer: component of NAD+, NADP+, cofactor in redox

Extra: