Biochem Exam 3: Ketone Body Metabolism

Ketone bodies can move through the blood.

• True

• False

ketone Bodies are the ideal fuel source for the brain.

• True
• False

Answer explanation

Glucose is the ideal energy source for the brain. Ketone bodies are an alternative energy source in the absence of glucose

How long after a meal is it considered the "fasting state"?

• 3-8 hours

• 4-24 hours

• 1-2 hours

Postprandial means

• before a meal

• after a meal

• during a meal

• fasting state

During the fasting state, what is released from adipose tissues?

• nitric oxide

• glucose

• fatty acids stored as TAGs

What enzyme cleaves 3 FAs from TAGs?

• pancreatic enzymes

• HS lipase

• debranching enzyme

What transports free Fatty acids through the blood?

• Albumin

• chylomicrons

Where are FA oxidized to generate Acetyl-CoA, NADH and FADH2?

• muscle

• adipose tissue

• kidney

• liver

What is generated from B-oxidation of fatty acids in the liver?

• NADH

• NADPH

• acetyl-CoA

• FADH2

What is an alternate fuel source during fasting?

• ketones

• glulcose