Vitamins Quiz Flashcards
A patient presents with convulsions and irritability. What vitamin deficiency is causing these symptoms?
Vit B6 (pyridoxine) deficiency
Which vitamin deficiency results in gum bleeding, bruising, anemia, and poor wound healing?
Vit C. This is scurvy
Vitamin C is necessary for the hydroxylation of which amino acids in collagen synthesis.
Proline and lysine —-Vit C—-> Hydroxyproline and hydroxylysine
What vitamin in excess can cause hpyercalcemia?
Vit D but also vitamin A.
What vitamins have a function similar to reduced glutathione?
Vitamins A, C and E (antioxidants)
An alcoholic develops a rash, diarrhea, and altered mental status. What is the the vitamin deficiency
Niacin deficiency (Vit B3). The three D’s of B3!! Dont simply think thiamine when it is an alcoholic.
Which vitamin deficiency? increased RBC fragility
Vit E (alpha tocopherol) deficiency
Which vitamin deficiency? dermatitis, cheilosis, glossitis
B2 (Riboflavin), B3 (Niacin), B9 (Folate), B12 (cobalamin), and iron deficiencies
Which vitamin deficiency? Peripheral neuropathy, angular cheilosis, glossitis
B12 (cobalamin) deficiency
Which vitamin deficiency? Hemorrhagic disease
Vit K deficiency -> cant make clotting factors
Which vitamin deficiency? Neural tube defects
Folate (Vit B9) deficiency
Which vitamin deficiency? Dermatitis, Diarrhea, Dementia
Vit B3 (Niacin). The 3 D’s of Vit. B3
Which vitamin deficiency? Megaloblastic anemia
Vit B9 (Folate) and Vit B12 (Cobalamin)
Which vitamin deficiency? Pernicious anemia
Vit B12 (cobalamin) deficiency
Which vitamin deficiency? Bitot spots, keratomalacia, xerophthalmia
Vit A deficiency
Which vitamin deficiency? Osteomalacia
Vit D deficiency
Which vitamin deficiency? Rickets
Vit D deficiency
Which vitamin? can be used to treat acne and psoriasis
Retinoic acid (Vit A)
Which vitamin? used in oxidation reduction reactions
Vit B2 (riboflavin) -> used to make FMN and FAD, Vit B3 (niacin)-> used to make NAD+ and NADP+
Which vitamin? used in carboxylation reactions
Vit B7 (biotin)
Which vitamin? involved in the hydroxylation of prolyl residues
Vit C
Which vitamin? requires intrinsic factor for absorption
Vit B12 (cobalamin)
Which vitamin? deficiency may result from kidney disease
Vit D
Which vitamin? used by pyruvate dehydrogenase and alpha-ketogluterate dehydrogenase
Tender loving care for nobody -> Thiamine (B1), Lipoic acid, CoA (B5), FAD (B2), NAD (B3)
Which vitamin? given prophylactically to newborns
Vit K (to prevent hemorrhagic disease of the newborn)
Which vitamin? can be used to elevate HDL and lower LDL
Niacin (Vit B3)
Which vitamin? deficiency can be caused by isoniazid (INH) use
Vit B3 (Niacin), Vit B6 (pyridoxine)
Which vitamin? Cobalt is found within this vitamin
Vit B12 (cobalamin)
Which vitamin? critical for DNA synthesis
Vit B12 (cobalamin) and Vit B9 (folate)
What are the symptoms of zinc deficiency?
Poor wound healing. Essential in remodeling of wounds (zinc is needed for metaloproteases)
What enzyme is inhibited by the drug fomepizole?
Alcohol dehydrogenase (can give with methanol or ethylene glycol intoxication aka antifreeze ingestion).
What is the difference between Kwashiorkor and Marasmus?
Kwashiorkor is protein malnutrition mainly causing a large belly (edema) and fatty liver. Marasmus is a complete nutrient deficiency causing muscle wasting (no protuberant belly).
What vitamins should vegetarian supplement in their diet?
The main one is Vit B12 (cobalamin).
What are the symptoms of vitamin A toxicity?
Bitot spots, keratomalacia, xerophthalmia (EYE PROBLEMS)
