Cholesterol content in blood serum of a 12-year-old boy is 25 mmol/l. Anamnesis states hereditary familial hypercholesterolemia caused by synthesis disruption of receptor-related proteins for:

Answer options

1. High-density lipoproteins
2. Middle-density lipoproteins
3. Low-density lipoproteins
4. Chylomicrons
5. Very low-density lipoproteins

Explanation

Low-density lipoproteins take cholesterol from the Liver to target organs e.g Adrenal gland for steroid hormone synthesis. In the deficiency of LDL, hypercholesteremia occurs.