Feeding and Fasting With Cases Flashcards Preview

MS2 - Digestive, Endocrine, and Metabolic Systems > Feeding and Fasting With Cases > Flashcards

Flashcards in Feeding and Fasting With Cases Deck (4)
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1
Q

You cannot turn fat into __________.

A

sugar, but you can convert them into ketones, which the brain can use

2
Q

What inhibits pyruvate kinase? (Think of the pathway.)

A

Protein kinase Aphosphorylating it – stimulated by the rise in glucagon.

This occurs because you don’t want PEP converted to pyruvate if you’re performing gluconeogenesis.

3
Q

The only tissue that contains glycerol kinase is ___________.

A

the liver (because it’s the only one that can perform gluconeogenesis to supply the body)

4
Q

What is one reason the brain uses ketone bodies?

A

Because RBCs only use glucose, so having the brain rely on ketone bodies helps to save glucose for RBCs

Decks in MS2 - Digestive, Endocrine, and Metabolic Systems Class (133):