The Following Advertisement Is Focused on LDL Particle Number (LDL-P)

question 398

Multiple Choice

The following advertisement is focused on LDL particle number (LDL-P) testing, a novel new screening method used for assessing LDL.
A 54-year-old man comes to the physician for a routine health examination.  He has no complaints and feels well.  He has a history of hypertension and his current medications include aspirin, hydrochlorothiazide, and lisinopril.  The patient has smoked 1 pack of cigarettes a day for the past 35 years but denies alcohol or illicit drug use.  He exercises twice a week and eats a low-fat diet.  His father died of a myocardial infarction at age 52.  His vital signs are within normal limits.  Physical examination shows a BMI of 26 kg/m² but is otherwise unremarkable.  The patient is concerned about having a heart attack because of his family history.  The physician considers obtaining the patient's LDL-P levels.  Based on the advertisement, 95% of patients will most likely have LDL-P levels that lie between which of the following limits?

• A)250 and 550 nmol/L
• B)250 and 500 nmol/L
• C)300 and 500 nmol/L
• D)350 and 500 nmol/L
• E)350 and 450 nmol/L

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Definitions:

Lumbar Portion

The part of the lower back comprising the five lumbar vertebrae, often associated with back pain due to its weight-bearing function.

Lordosis

Abnormal anterior curvature of the lumbar spine.

Axial Skeleton

Consists of the bones along the body's long axis, including the skull, vertebral column, and rib cage, supporting the central part of the body.

Spinal Column

The structure consisting of vertebrae protecting the spinal cord and supporting the body; also known as the vertebral column.