Newborn Vitamin K Quiz
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Newborn Vitamin K Quiz

Test your knowledge on Vitamin K and its importance in newborn nutrition with this quiz. Learn about Vitamin K deficiency-related bleeding (VKDB) and the recommended prophylaxis for newborns.

Created by
@IdealSalamander

Questions and Answers

What is the primary source of phylloquinone, a form of vitamin K?

Kale

Which form of vitamin K is produced by gut microbiota?

Menaquinone

What deficiency can result from limited stores of vitamin K at birth and insufficient intake from breast milk?

Vitamin K deficiency-related bleeding (VKDB)

What is the main source of menaquinone (Vitamin K2)?

<p>Synthesized by intestinal bacteria</p> Signup and view all the answers

How is phylloquinone (Vitamin K1) absorbed in the body?

<p>Absorbed in small intestine in micelles</p> Signup and view all the answers

What is the main function of Vitamin K in blood clotting?

<p>Activates clotting factors and converts prothrombin to thrombin</p> Signup and view all the answers

What can result from Vitamin K deficiency in newborn infants?

<p>Uncontrolled internal bleeding</p> Signup and view all the answers

How is Vitamin K related to bone formation?

<p>Aids in the synthesis of osteocalcin and helps skeletal proteins to bind calcium</p> Signup and view all the answers

What is the recommended approach to prevent Vitamin K deficiency in newborn infants?

<p>Administering a single dose of Vitamin K at birth</p> Signup and view all the answers

What is the potential risk associated with high doses of Vitamin K?

<p>Reduced effectiveness of anticoagulant drugs</p> Signup and view all the answers

What is the role of Vitamin K in carboxylation?

<p>Acts as a cofactor in the carboxylation of glutamate residues</p> Signup and view all the answers

Which food item is the richest source of Vitamin K based on the provided information?

<p>Kale, raw 1 cup (chopped) 547</p> Signup and view all the answers

What is the synthetic form of Vitamin K called?

<p>Menadiol</p> Signup and view all the answers

What is the primary source of phylloquinone, a form of vitamin K?

<p>Kale, raw 1 cup (chopped) 547</p> Signup and view all the answers

What is the primary source of menaquinone (Vitamin K2)?

<p>Synthesized by intestinal bacteria</p> Signup and view all the answers

How is phylloquinone (Vitamin K1) absorbed in the body?

<p>Absorbed in small intestine in micelles</p> Signup and view all the answers

What is the main function of Vitamin K in blood clotting?

<p>Activates clotting factors</p> Signup and view all the answers

What can result from Vitamin K deficiency in newborn infants?

<p>Uncontrolled internal bleeding</p> Signup and view all the answers

How is Vitamin K related to bone formation?

<p>Effects bone mineralization</p> Signup and view all the answers

What deficiency can result from limited stores of vitamin K at birth and insufficient intake from breast milk?

<p>Vitamin K Deficiency Bleeding (VKDB)</p> Signup and view all the answers

What is the potential risk associated with high doses of Vitamin K?

<p>Can reduce effectiveness of anticoagulant drugs</p> Signup and view all the answers

What is the recommended approach to prevent Vitamin K deficiency in newborn infants?

<p>Administering a single dose of vitamin K at birth</p> Signup and view all the answers

What is the formula to calculate the α-tocopherol equivalents?

<p>mg \ α-tocopherol + 0.5 \times mg \ β-tocopherol + 0.1 \times mg \ γ-tocopherol + 0.3 \times mg \ α-tocotrienol</p> Signup and view all the answers

What is the α-tocopherol equivalent content of 1 ounce of hazelnuts?

<p>4.3 mg</p> Signup and view all the answers

What is the α-tocopherol content in 1 tablespoon of safflower oil?

<p>4.6 mg</p> Signup and view all the answers

Which food item has the highest combined content of α-tocopherol and γ-tocopherol per tablespoon?

<p>Sunflower oil</p> Signup and view all the answers

What is the α-tocopherol equivalent content of 1 tablespoon of corn oil?

<p>9.1 mg</p> Signup and view all the answers

What is the total α-tocopherol equivalent content of 1 ounce of almonds?

<p>7.6 mg</p> Signup and view all the answers

What is the combined content of α-tocopherol and γ-tocopherol in 1 tablespoon of soybean oil?

<p>11.2 mg</p> Signup and view all the answers

What is the α-tocopherol equivalent content of 1 ounce of peanuts?

<p>3.0 mg</p> Signup and view all the answers

What is the α-tocopherol equivalent content of ½ cup of raw chopped carrots?

<p>2.8 mg</p> Signup and view all the answers

What is the combined content of α-tocopherol and γ-tocopherol in 1 tablespoon of sunflower oil?

<p>6.3 mg</p> Signup and view all the answers

What is the α-tocopherol equivalent content of ½ cup of raw spinach?

<p>0.6 mg</p> Signup and view all the answers

What is the primary function of dietary antioxidants in humans?

<p>To significantly decrease the adverse effects of reactive species on normal physiological function</p> Signup and view all the answers

What is the main function of Vitamin E in the body?

<p>To limit radical damage from oxidation of PUFAs</p> Signup and view all the answers

What is the potential effect of high levels of free radicals in the body?

<p>Damage to cells, contributing to cellular dysfunction and disease</p> Signup and view all the answers

What is the association between high blood concentrations of vitamin E and cardiovascular disease (CVD) incidence?

<p>Epidemiology studies show a clear association between high blood concentrations of vitamin E and lower incidence of CVD</p> Signup and view all the answers

What has been the outcome of randomized controlled trials with high dose vitamin E supplements?

<p>All of the above</p> Signup and view all the answers

What are the body's defense mechanisms against free radicals?

<p>Antioxidant vitamins, cofactors, and enzymes</p> Signup and view all the answers

What is the role of Vitamin C in the metabolism of Vitamin E radical?

<p>To reduce Vitamin E radical back to tocopherol</p> Signup and view all the answers

What is the potential consequence of low antioxidant intake in the diet?

<p>Oxidative stress and increased disease risk</p> Signup and view all the answers

What are the examples of diseases that may result from high levels of free radicals?

<p>Cancer, cardiovascular disease, cataracts</p> Signup and view all the answers

What is the function of VLDL in relation to Vitamin E absorption and metabolism?

<p>Transports Vitamin E to other tissues</p> Signup and view all the answers

What is the effect of free radicals on cell membranes, DNA, and RNA?

<p>Damage</p> Signup and view all the answers

What is the potential risk associated with high doses of Vitamin E supplements?

<p>Increased health risks</p> Signup and view all the answers

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