Questions and Answers
What do the letters 'vitamin' stand for?
Vital amines
How are fat-soluble vitamins typically transported and excreted in the body?
They are closely associated with and transported by dietary lipids, and are generally excreted with feces
What is the main function of vitamins in the human body?
To regulate metabolism and physical function
What is the main source of the preformed vitamin A, retinol?
Signup and view all the answers
What is the main source of the provitamin A, beta-carotene?
Signup and view all the answers
Where are vitamin A compounds primarily deposited in the body?
Signup and view all the answers
What is the primary source of vitamin A in human nutrition?
Signup and view all the answers
What factor can negatively affect the absorption of vitamin A?
Signup and view all the answers
How can vitamin D be synthesized in the body?
Signup and view all the answers
Which two forms of vitamin D are nutritionally significant?
Signup and view all the answers
What is the role of vitamin E in the absorption of vitamin A?
Signup and view all the answers
What effect does protein-energy malnutrition have on the absorption of vitamin A?
Signup and view all the answers
