Prep for Final Semi 2

What structural characteristic distinguishes trans fats from cis fats?

• Number of carbon atoms

• Length of the hydrocarbon chain

• Position of double bonds

• Saturation level

• Solubility in water

Hypertriglyceridemia is most commonly associated with which of the following?

• Deficient production of chylomicrons

• Lipoprotein lipase deficiency

• Elevated HDL levels

• Increased beta-oxidation

• High dietary cholesterol

In abetalipoproteinemia, which of the following lipoproteins is NOT absent in plasma?

• HDL

• LDL

• Chylomicrons

• VLDL

• IDL

Which enzyme catalyzes the first step of beta-oxidation?

• Acetyl-CoA synthetase

• Acyl-CoA dehydrogenase

• Enoyl-CoA hydratase

• 3-Ketoacyl-CoA thiolase

• HMG-CoA synthase

Which of the following is the main substrate for ketogenesis?

• Fatty acids

• Glucose

• Pyruvate

• Amino acids

• Lactate

In ketoacidosis, elevated ketone bodies result in which of the following acid-base imbalances?

• Metabolic alkalosis

• Respiratory acidosis

• Metabolic acidosis

• Respiratory alkalosis

• Mixed acidosis

Chylomicrons are primarily responsible for transporting:

• Endogenous triglycerides

• Dietary triglycerides

• Cholesterol esters

• Free fatty acids

• Phospholipids

The main apolipoprotein of HDL is:

• ApoA-I

• ApoB-100

• ApoC-II

• ApoE

• ApoB-48

Fat malabsorption can result in deficiency of which of the following vitamins?

• Vitamin C

• Vitamin B6

• Vitamin A

• Vitamin B12

• Folic acid

Which is the primary site of ketone body production?

• Brain

• Adipose tissue

• Liver

• Skeletal muscle

• Pancreas