26 Questions
What is the primary function of Gla proteins?
To trap calcium ions
Which of the following is NOT mentioned as a cause for vitamin K deficiency?
Excessive alcohol consumption
What is the reason for vitamin K deficiency in newborns, particularly premature ones?
Both A and C
What is the effect of anticonvulsant treatment on vitamin K absorption?
It interferes with vitamin K absorption
What is the primary difference between vitamin K and vitamin C deficiencies in terms of their effects on blood clotting?
Vitamin K deficiency increases prothrombin time, while vitamin C deficiency has no effect on blood clotting
Which of the following is NOT mentioned as a Gla protein in the text?
Prothrombin
What is the role of bile salts in the absorption of fat-soluble vitamins like vitamin K?
Bile salts are necessary for the absorption of fat-soluble vitamins
What is the consequence of prolonged antibiotic treatment on vitamin K levels?
It decreases vitamin K levels by killing the intestinal flora responsible for its production
Which of the following is NOT a manifestation of vitamin K deficiency mentioned in the text?
Nosebleeds
What is the chemical symbol for potassium?
K
What is the primary consequence of impaired synthesis of calcitriol mentioned in the text?
Symptoms and signs of vitamin D deficiency
What is the underlying cause of the vitamin D deficiency mentioned in the text?
Impaired synthesis of calcitriol
Which of the following is a potential consequence of the vitamin D deficiency mentioned in the text?
Increased risk of hypertension
What is the primary role of calcitriol in the body?
Regulating calcium and phosphate homeostasis
Which of the following is a potential cause of the impaired synthesis of calcitriol mentioned in the text?
All of the above
What is the primary function of vitamin D in the body?
Regulating calcium and phosphate homeostasis
Which of the following is a common symptom of vitamin D deficiency?
Muscle weakness
What is the role of the kidneys in the synthesis of calcitriol?
They convert 25-hydroxyvitamin D to calcitriol
How does impaired synthesis of calcitriol affect calcium and phosphate homeostasis?
It decreases calcium and phosphate levels
What is the primary role of vitamin D in bone health?
Regulating calcium and phosphate homeostasis
Which of the following is a potential symptom associated with gum hyperplasia?
Delayed wound healing
How does inflammation contribute to poor wound healing as mentioned in the text?
By facilitating collagen synthesis
What is a potential consequence of skeletal deformity mentioned in relation to the conditions described?
Impaired mobility
How does gum hyperplasia potentially affect dental health?
Leads to tooth loss
In what way may poor wound healing impact overall health?
Increases susceptibility to infections
What effect might inflammation have on the body's response to injuries?
Suppresses the immune system
Test your knowledge about the different forms of vitamin A including retinol, retinal, retinoic acid, and beta carotene. Learn about the other names for vitamin A and its importance in the diet.
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