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Clinical Chemistry Lab 1: Introduction to Clinical Analysis

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Clinical Chemistry Lab 1: Introduction to Clinical Analysis

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Questions and Answers

What is the most effective method for treating lipemia in a blood sample?

Chemical extraction
Ultra-Centrifugation (correct)
Sample dilution
Heat treatment

What is the time frame for centrifuging a blood sample according to CLSI recommendations?

Within 1-2 hours at 1100-1300 RCF (correct)
Within 3-4 hours at 1100-1300 RCF
Within 4-5 hours at 1300-1500 RCF
Within 2-3 hours at 1500-1800 RCF

What is the primary cause of spectral interference in the range of 420-590nm?

Icterus
Hemolysis (correct)
Lipemia
Bilirubin

What is the purpose of hemoglobind in a clinical chemistry setting?

To reduce interference caused by hemoglobin (B) Signup and view all the answers

What is the range of spectral interference caused by bilirubin?

400-540nm (B) Signup and view all the answers

What is the primary focus of clinical biochemistry?

The study of chemicals and biochemical mechanisms of the body in relation to a certain disease (B) Signup and view all the answers

What is a crucial factor to consider when choosing a method for clinical analysis?

All of the above (D) Signup and view all the answers

What type of tubes should not be used for metals and metalloenzymes analyses?

Oxalate, citrate, and EDTA tubes (D) Signup and view all the answers

What is a common source of error in phlebotomy?

All of the above (D) Signup and view all the answers

What is the consequence of collecting samples with vacuum tubes compared to manual aspiration?

Increased free hemoglobin (B) Signup and view all the answers