Which of the Following Factors Is a Primary Contributor Underlying

Multiple Choice

Which of the following factors is a primary contributor underlying cause of familial hypercholesterolemia?

A) defective LDL receptors on the cell membranes
B) poor attachment of the cholesterol to the extracellular matrix of cells
C) a poorly formed lipid bilayer that cannot incorporate cholesterol into cell membranes
D) inhibition of the cholesterol active transport system in red blood cells