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| 3099917839 | Methylenetetrahydrofolate reductase | Which enzyme catalyzes the conversion of 5,10-methylenetetrahydrofolate to 5-methyltetrahydrofolate, which is a cosubstrate for homocysteine remethylation to methionine? | 0 | |
| 3099933722 | What is the most common genetic cause of hyperhomocysteinemia? | Genetic defects in 5-MTHF reductase. | 1 | |
| 3099976786 | What are the functions of methionine? | It is an essential amino acid containing sulfur that acts as a chelating agent for heavy metals, a lipotropin agent to prevent fat buildup in the liver, a protector of cells against aging, and absorbs selenium and zinc. | 2 | |
| 3100027571 | How does methionine function in translation? | The amino acid that is coded by the initiation codon AUG. | 3 | |
| 3100046369 | Cyanocobalamin | What form of Vitamin B12 is utilized in nutritional supplements? | 4 | |
| 3100058875 | Amblyopia | What is the term for eye nerve damage that occurs if a B12 deficiency cannot be treated with cyanocobalamin supplements? | 5 | |
| 3100080036 | How can allergies be treated with Vitamin B12? | Can be treated with vitamin B12 supplements, which stimulates TH1 suppressor cells which reduce the production of IgE. | 6 | |
| 3100101641 | List 6 Vitamin B12 diagnostic tests: | VB12 level, homocysteine, MMA, MTHFR, FIGLU, Schilling's test (obsolete). | 7 | |
| 3100154900 | What are some typical Vitamin B12 deficiency laboratory findings? | Low serum iron, High serum LDH, Increased MMA or homocysteine, hyperhsegmented neutrophils, high MCV, severe pancytopenia, giant bands. | 8 | |
| 3100272742 | What are some typical Vitamin B12 deficiency chemistry findings? | Decreased serum haptoglobin binding capacity, normal folate, increased serum iron, increased transferrin saturation, LDH increased, increased unconjugated bilirubin, elevated methylmalonic acid and homocysteine, decreased uric acid. | 9 | |
| 3100334560 | What causes pernicious anemia? | Autoimmune disease against Intrinsic Factor or parietal cells of the stomach. Intrinsic factor is crucial for normal absorption of vitamin B12. | 10 |
