Practice Quiz

Veterinary Technician

Category - Lab Procedures

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When preparing a blood specimen for glucose testing, which of the following statements is TRUE?
  1. Serum and plasma must be separated from erythrocytes immediately after collection
  2. Whole blood specimens should "rest" at room temperature for 60 minutes before separation
  3. The most accurate time for sample collection is immediately following ingestion of a meal.
  4. Both B and C
Explanation
Answer: A - When preparing blood specimens for Glucose testing, it is important to separate the serum and plasma from erythrocytes immediately after collection. Erythrocytes utilize glucose for energy. If left in contact with each other, the glucose readings will decrease enough to produce a false- normal result. The level of glucose present in the blood can drop by as much as 10% per hour left at room temperature.
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