Examination of Joint Fluid on a 60-Year-Old Patient with Right

question 39

Multiple Choice

Examination of joint fluid on a 60-year-old patient with right knee pain reveals many intracellular needlelike crystals that polarize yellow to blue. What is the most likely identification of the crystal?

• A) Calcium pyrophosphate
• B) Cholesterol crystal
• C) Monosodium urate
• D) Talc particle

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Definitions:

Chyme

Thick, semiliquid food material that passes from the stomach to the small intestine.

Sodium Bicarbonate

A chemical compound commonly known as baking soda, used in baking, cleaning, and as an antacid.

Neutralization

A chemical reaction in which an acid and a base react quantitatively, producing water and a salt, effectively nullifying extreme pH levels.

Folic Acid

A B-vitamin that is essential for DNA synthesis and repair, and is crucial during early pregnancy to prevent neural tube defects in the embryo.