Which statement by a patient about lipid levels does the nurse need to clarify?
A) "High levels of very low-density lipoproteins are good for me."
B) "High levels of high-density lipoproteins are desirable for a healthy heart."
C) "I want to raise my low-density lipoproteins as high as I can."
D) "High levels of triglycerides are good for me."
B) "High levels of high-density lipoproteins are desirable for a healthy heart."
Explanation: A) Almost all triglycerides are transported to adipose tissue for storage by very low-density lipoproteins (VLDL). Through a series of steps, the VLDLs are transformed into LDL molecules after the triglycerides have been transported to adipose tissue. Thus, high levels of VLDL lead to high levels of LDL, which are associated with increased risk of cardiovascular disease.
B) High-density lipoproteins (HDLs) help to clear cholesterol from the arteries, transporting it to the liver for excretion. Therefore, higher levels of HDL are desirable.
C) Elevated levels of low-density lipoproteins (LDLs) promote atherosclerosis because LDL deposits cholesterol on arterial walls.
D) In addition to LDL and HDL, triglyceride levels are an important risk factor for cardiovascular disease.
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