Pens up, lets check your answers.

1-5. When can blood be used as a specimen? Identify 5 tests.

Blood can be used in a wide array of Chemistry studies, as well as Hematological studies.

• FBG
• BUN
• Bilirubin
• Uric Acid
• Testing for Insulin levels

6. What is the specimen of choice in testing for Insulin levels?

Blood, serum preferred and heparinized blood can be used.

7 & 8. Give 2 other tests that can be used in testing for Insulin levels.

• Fasting Plasma Glucose (FPG)
• Casual Plasma Glucose (CPG)

9 & 10. What are the two preferred collection tubes to be used in testing for Insulin and Glucose tests?

• Red-topped tube
• Grey-topped tube

Case Study:

A pregnant woman has been complaining of having a problem when urinating. She consulted the doctor and has been suspected to have UTI. She was sent to the laboratory for some tests. Will blood be used as a specimen of choice in her situation? If yes, explain. If no, what is the specimen to be used?

ANSWER: No, blood cannot be used as a specimen of choice in this situation. It is because, she has been suspected to have UTI, and in testing for this urine will be the specimen of choice.