Exam 12: Fat-Soluble Vitamins

Antibiotics and intestinal diseases can interfere with absorption of vitamin

The most likely cause of a vitamin A toxicity would be

The maintenance of mucus-forming cells depends on adequate amounts of

What vitamin would most likely lead to death in both deficient and toxic levels?

Of the following,the best source of preformed vitamin A is

The most nutrient-dense food sources of vitamin K are

Functions of vitamin D include

As calcitriol,vitamin D functions in calcium and bone metabolism by

Healthy,light-skinned individuals can make sufficient vitamin D to meet the body's needs with about ________ of sun exposure on their face,arms,and hands 2 or 3 times per week.

Supplements of bee pollen,lecithin,and inositol are often recommended by dietitians for weight loss.

Of the following,the best source of provitamin A is

A nutrient synthesized by bacteria in the large intestine is vitamin

When taken in megadoses,vitamins may act like drugs.

Vitamin A toxicity is known to cause all of the following EXCEPT

A deficiency of vitamin A can lead to development of a condition called

Why does vitamin K not have an established UL?

A potential danger of using oral Accutane for acne is that it

An important role of vitamin K is the synthesis of

Newborns usually receive an injection of vitamin _________ to protect them against deficiency until the gastrointestinal tract has matured.

Nutrients most likely to cause toxicity if consumed in excessive amounts include