Polyunsaturated Fatty Acids Flashcards Preview

RUSVM Nutrition Summer 2017 > Polyunsaturated Fatty Acids > Flashcards

Flashcards in Polyunsaturated Fatty Acids Deck (8):
1

What enzyme do cats lack, that makes them unable to elongate linoleic acid?

delta 6 desaturase.

2

Because cats can't elongate linoleic acid, what fatty acid must be present in their diet?

arachidonic acid.

3

What fatty acid is required to produce ceramides? What animals require ceramides?

linoleic acid. All mammals require it.

4

This PUFA is rquired by dogs, NOT cats.

alpha-linolenic acid

5

What is arachidonic acid used for? Do dogs require this as well?

Needed for inflammation, the immune system, and cell membranes (makes 20-25% of total FA of cell membranes). Dogs do not require this.

6

If you start administering eicosapentaenoic acid, how long until you see the benefits?

12-14 WEEKS.

7

What are some clinical signs of essential fatty acid deficiency?

poor growth and weight gain, cutaneous changes, infertility and poor wound healing.

8

What are the 2 most important series of PUFA?

n-3 and n-6