Blood Specimen Types and Collection Methods
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Questions and Answers

What does the Nitroprusside test detect?

  • Sucrose
  • Fructose
  • Glucose
  • Acetoacetate (correct)

Which test is recommended for detecting dyslipidemia as a risk factor for Type 2 DM?

  • Ketostix
  • Gerardht's test
  • Ferric chloride test
  • C-Peptide test (correct)

Why is OGTT not recommended for non-pregnant adults?

  • It can cause complications in non-pregnant adults
  • It is unreliable
  • It can lead to high glucose levels
  • It is not accurate for non-pregnant adults (correct)

What does HBA1c reflect in terms of blood glucose levels?

<p>Glucose levels over the past 2-3 months (A)</p> Signup and view all the answers

Why is it important to properly prepare a patient before blood collection?

<p>To ensure accurate test results (B)</p> Signup and view all the answers

What happens if the plasma/serum is not separated from the red top or red cells for a period of time?

<p>Glucose level increases (D)</p> Signup and view all the answers

What is the difference in estimated glucose levels if yellow top is used instead of red top for testing?

<p>12% lower in yellow top (A)</p> Signup and view all the answers

How long is the glucose level stable at room temperature according to the text?

<p>8 hours (C)</p> Signup and view all the answers

Which chemical method involves the reduction of cupric ions to cuprous ions by glucose in hot alkaline conditions?

<p>Alkaline Copper Reduction Method (B)</p> Signup and view all the answers

What is the chromogen used in the Folin-Wu Method for glucose measurement?

<p>Phosphomolybdate (C)</p> Signup and view all the answers

Which method uses Alkaline Ferric Reduction for glucose measurement?

<p>Benedict’s Method (A)</p> Signup and view all the answers

Which method is the most specific and only reacts with beta-d-glucosidase?

<p>Glucose Oxidase Method (D)</p> Signup and view all the answers

In the context of glucose measurement, which method uses a toxic and corrosive agent, making it not commonly done?

<p>Ortho-Toluidine Method (D)</p> Signup and view all the answers

Which method is considered the reference method and measures NADH at 340 nm?

<p>Hexokinase Method (D)</p> Signup and view all the answers

Which enzyme-based method is derived from bacteria (Bacillus cereus) and highly specific for glucose?

<p>Glucose Dehydrogenase (D)</p> Signup and view all the answers

Which glucose measurement method involves the rate of disappearance of oxygen?

<p>Glucose Oxidase Method (D)</p> Signup and view all the answers

Which non-enzymatic method for glucose is considered to be the most specific?

<p>Ortho-Toluidine Method (B)</p> Signup and view all the answers

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