560I- Functional Medicine | 190 Questions with 100 % correct Answers | Verified

Vitamin B6 deficiency causes elevated homocysteine by what mechanism? A.) Accelerating the conversion of methionine to homocysteine B.) Blocking the transfer of methyl groups to THF C.) Impairing the conversion of homocysteine to cysteine D.) Reducing the active form of vitamin B12 Impairing the conversion of homocysteine to cysteine - C.) Impairing the conversion of homocysteine to cysteine Finding elevated urinary alpha-ketoisocaproate and alpha-ketoisovalerate is an indication of what essential nutrient deficiency? A.) Coenzyme Q10 B.) Vitamin B1 C.) Vitamin B6 D.) Vitamin D - B.) Vitamin B1 When serum lipid peroxides are elevated even though all serum antioxidant vitamins are in their upper normal ranges, what other abnormality is likely to be present? A.) High vitamin D B.) High polyunsaturated fatty acids in plasma C.) Low polyunsaturated fatty acids in plasma D.) Low biotin - B.) High polyunsaturated fatty acids in plasma Which compound is measured as a laboratory test for vitamin K deficiency? A.) Sepiapterin B.) Undercarboxylated osteocalcin C.) 7-Dehydrocholesterol D.) Dehydroascorbic acid - B.) Undercarboxylated osteocalcin Assessment of vitamin D deficiency is done by measuring serum levels of what compound? A.) 1,25-Dihydroxyvitamin DB.) Calcitriol C.) 25-Hydroxyvitamin D D.) Previtamin D3 - C.) 25-Hydroxyvitamin D