Clinical Chemistry Test 3

Premature atherosclerosis can occur when which of the following becomes elevated?

Transportation of 60-75% of the plasma cholesterol is performed by:

Which of the following diseases results from a familial absence of high density lipoprotein?

A 1-year-old girl with a hyperlipoproteinemia and lipoprotein lipase deficiency has the lipid profile results shown in this table:

A serum specimen from this patient that is refrigerated overnight would most likely appear:

Which of the following lipid results would be expected to be falsely elevated on a serum specimen from a non-fasting patient?

A 9-month-old boy from Israel has gradually lost the ability to sit up, and develops seizures.

He has an increased amount of a phospholipid called GM2-ganglioside in his neurons, and he lacks the enzyme hexosaminidase A in his leukocytes. These findings suggest:

Apolipoprotein A1 is the major component of which lipoprotein?

The lipoprotein that transports cholesterol away from the tissues is:

A fasting serum sample from an asymptomatic 43-year-old woman is examined visually and chemically with the results shown in this table:

This sample contains predominantly:

Chylomicrons are present in which of the following dyslipidemias?

The function of the major lipid components of the very low-density lipoproteins (VLDL) is to transport:

Turbidity in serum suggests elevation of:

A lipemic serum is separated and frozen at -20C for assay at a later date. One week later, prior to performing an assay for triglycerides, the specimen should be:

As part of a hyperlipidemia screening program, the results shown in this table are obtained from a 25-year-old woman 6 hours after eating:

Which of the following is the best interpretation of these results?

Blood is collected in a serum separator tube on a patient who has been fasting since midnight. The time of collection is 7 AM. The laboratory test that should be recollected is:

Which of the following is the formula for calculating absorbance given the percent transmittance(%T) of a solution?

The substance that is measured to estimate the serum concentration of triglycerides by most methods is:

Which of the following methods for quantitation of high-density lipoprotein is most suited for clinical laboratory use?

Hemoglobin A₁c represents:

The principle of the occult blood test depends upon the: