Retinoids
Carotenoids
Absorption
Deficiency/Toxicity
Functions
100

What is the alcohol form of vitamin A?

Retinol

100

What are the three provitamins of vitamin A?

Alpha-carotene, beta-carotene, and beta-cryptoxanthin
100

Where does absorption of vitamin A start?

Small intestine

100

What are the three categories of vitamin A toxicity?

Acute, chronic, and teratogenic

100

What part of the eye does vitamin A help with?

Retina


200

What is the aldehyde form of vitamin A?

Retinal

200

Where are carotenoids found in foods?

Dark-green and yellow-orange vegetables and fruits

200

What two molecules separate retinyl esters?

Retinol and Fatty Acids


200

If deficiency of vitamin A is not treated, what is the worse-case scenario?

Blindness

200

What is the process of immature cells developing specific functions 

Cell differentiation

300

What is the acid form of vitamin A?

Retinoic Acid

300

True or False: There is no RDA or UL for beta-carotene

True

300

Where does retinyl ester go to after packing into the chylomicron?

Lymphatic System

300

What is the softening of the cornea called?

Keratomalacia

300

True or False: Accutane does not contain vitamin A

False

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