<prompt> Familial hypercholesterolemia is:Deficient LDL receptorsDeficient HDL receptorsHMG-CoA reductase deficiencyDeficient VLDL receptors  <response>: Ans. A. Deficient LDL receptorsRef: Harrison 19e, Table356.3Frederickson TypeNomenclatureMolecular DefectType IIaFamilial hypercholesterolemia FHLDL receptorFamilial defective Apo B FDBApo B100Autosomal dominant hypercholesterolemia Type II ADH Type II Autosomal dominant hypercholesterolemia Type III ADH Type IIIPCS K9Autosomal recessive hypercholesterolemia ARHLDL receptor adapter protein LDLRAPSitosterolemiaABCG5 or ABCG8 