When discussing hyperlipidemia with a group of adolescents, the nurse should explain that cardiovascular disease can be prevented by high levels of:
a. cholesterol.
b. triglycerides.
c. low-density lipoproteins (LDLs).
d. high-density lipoproteins (HDLs).
ANS: D
HDLs contain very low concentrations of triglycerides, relatively little cholesterol, and high levels of proteins. It is thought that HDLs protect against cardiovascular disease. Cholesterol, triglycerides, and LDLs are not protective against cardiovascular disease.
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