What Error Was Probably Made If Red Cells Are Seen

question 18

Multiple Choice

What error was probably made if red cells are seen when attempting to manually count white blood cell (WBCs) on a hemocytometer?

• A) The Unopette was not mixed before charging the hemocytometer.
• B) Diluent was squeezed out and lost when filling the Unopette.
• C) The wrong dilution was made.
• D) The Unopette was not allowed to sit for 10 minutes for complete red blood cell (RBC) lysis.

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Definitions:

Budget Constraint

The limitations on the purchasing power of a consumer, stemming from their income and the prices of goods and services.

Clothing

Clothing and items donned on the body, usually crafted from textiles or cloths.

Food

Consumable items produced through agriculture, farming, hunting, fishing, or food processing that individuals eat for nutrition and pleasure.

Perfectly Competitive Market

A theoretical market structure characterized by many buyers and sellers, homogeneous products, and no barriers to entry or exit, where all entities are price takers.