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Questions and Answers
What is the general cause of deficiency for lipid-soluble vitamins?
What is the general cause of deficiency for lipid-soluble vitamins?
Which of the following vitamins act as hormones?
Which of the following vitamins act as hormones?
Which lipid-soluble vitamin is not readily absorbed from the diet?
Which lipid-soluble vitamin is not readily absorbed from the diet?
What are the shared characteristics of lipid-soluble vitamins?
What are the shared characteristics of lipid-soluble vitamins?
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Which vitamin can be toxic in excess, according to recent evidence?
Which vitamin can be toxic in excess, according to recent evidence?
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When may deficiency of lipid-soluble vitamins develop?
When may deficiency of lipid-soluble vitamins develop?
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Which of the following is a risk factor for developing hemorrhagic disease of the newborn due to vitamin K deficiency?
Which of the following is a risk factor for developing hemorrhagic disease of the newborn due to vitamin K deficiency?
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Which vitamin is required for the post-translational modification of coagulation factors II, VII, IX, and X?
Which vitamin is required for the post-translational modification of coagulation factors II, VII, IX, and X?
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What can cause deficiency of vitamin K in humans?
What can cause deficiency of vitamin K in humans?
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Which condition may result from vitamin E deficiency in premature infants?
Which condition may result from vitamin E deficiency in premature infants?
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Which factor contains carboxylated residues requiring vitamin K for their activation?
Which factor contains carboxylated residues requiring vitamin K for their activation?
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What is the primary function of vitamin E?
What is the primary function of vitamin E?
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What condition is associated with deficiency of vitamin K in newborn infants?
What condition is associated with deficiency of vitamin K in newborn infants?
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What group of drugs inhibits the action of vitamin K?
What group of drugs inhibits the action of vitamin K?
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What is the main source of vitamin K for newborn infants?
What is the main source of vitamin K for newborn infants?
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What condition may develop in premature infants due to vitamin E deficiency?
What condition may develop in premature infants due to vitamin E deficiency?
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Which vitamin is required for the carboxylation of specific glutamic acid residues in coagulation factors?
Which vitamin is required for the carboxylation of specific glutamic acid residues in coagulation factors?
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What may cause hemorrhagic disease of the newborn due to vitamin K deficiency?
What may cause hemorrhagic disease of the newborn due to vitamin K deficiency?
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Which of the following is true about the transport of calcitriol in plasma?
Which of the following is true about the transport of calcitriol in plasma?
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What is the primary stimulus for the synthesis of 1,25(OH)2D3 from 25(OH)D3?
What is the primary stimulus for the synthesis of 1,25(OH)2D3 from 25(OH)D3?
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What is the function of calcitriol in the intestinal epithelium?
What is the function of calcitriol in the intestinal epithelium?
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What is a common outcome of vitamin D deficiency during pregnancy and infancy?
What is a common outcome of vitamin D deficiency during pregnancy and infancy?
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What are the adverse health outcomes linked to low vitamin D levels during pregnancy and infancy?
What are the adverse health outcomes linked to low vitamin D levels during pregnancy and infancy?
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What is the most likely cause of the 28-year-old woman's symptoms based on the given information?
What is the most likely cause of the 28-year-old woman's symptoms based on the given information?
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What is the primary source of α-tocopherol?
What is the primary source of α-tocopherol?
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Which lipid-containing structures are associated with α-tocopherol due to its lipid solubility?
Which lipid-containing structures are associated with α-tocopherol due to its lipid solubility?
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What is the main function of α-Tocopherol?
What is the main function of α-Tocopherol?
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Which statement about vitamin D toxicity is correct based on the given information?
Which statement about vitamin D toxicity is correct based on the given information?
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Which of the following is the most likely cause of night blindness and dry, scaly skin in a 32-year-old woman with decreased serum levels of retinol?
Which of the following is the most likely cause of night blindness and dry, scaly skin in a 32-year-old woman with decreased serum levels of retinol?
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What is the storage form of vitamin D found in the liver and in the circulation?
What is the storage form of vitamin D found in the liver and in the circulation?
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Which form of vitamin D is synthesized in the skin by UV irradiation of 7-dehydrocholesterol?
Which form of vitamin D is synthesized in the skin by UV irradiation of 7-dehydrocholesterol?
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What can cause vitamin D deficiency by disturbing enterohepatic circulation?
What can cause vitamin D deficiency by disturbing enterohepatic circulation?
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Which vitamin is a plant pigment that serves as a pro-vitamin for vitamin A?
Which vitamin is a plant pigment that serves as a pro-vitamin for vitamin A?
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In which organ is retinol esterified and stored in the form of retinyl esters, bound to the cytosolic retinol-binding proteins?
In which organ is retinol esterified and stored in the form of retinyl esters, bound to the cytosolic retinol-binding proteins?
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Which hydroxylase forms calcitriol (1α,25dihydroxycholecalciferol; 1,25[OH]2D3) from calcidiol (25hydroxycholecalciferol; 25[OH]D3) in the renal tubules?
Which hydroxylase forms calcitriol (1α,25dihydroxycholecalciferol; 1,25[OH]2D3) from calcidiol (25hydroxycholecalciferol; 25[OH]D3) in the renal tubules?
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What is the most common symptom of retinoid deficiency in children and pregnant women?
What is the most common symptom of retinoid deficiency in children and pregnant women?
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Which receptor interacts with all-trans and 9-cis-retinoic acid?
Which receptor interacts with all-trans and 9-cis-retinoic acid?
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What does retinoic acid interact with to regulate growth, differentiation, and proliferation of cells during embryonic development and organogenesis?
What does retinoic acid interact with to regulate growth, differentiation, and proliferation of cells during embryonic development and organogenesis?
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What health condition may result from excessive intake of retinoid?
What health condition may result from excessive intake of retinoid?
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What is the precursor and storage form of retinol found in animals?
What is the precursor and storage form of retinol found in animals?
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