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Author Question: A plasma sample appears hemolyzed or red. Which of the following is true? a. The patient has ... (Read 54 times)

codyclark

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on: Jun 25, 2018
A plasma sample appears hemolyzed or red. Which of the following is true?
 
  a. The patient has extravascular hemolysis.
  b. The patient has increased haptoglobin.
  c. The patient has increased hemopexin.
  d. The plasma hemoglobin is greater than 50 mg/dL.

Question 2

Which of the following is found normally in urine?
 
  a. Conjugated bilirubin
  b. Urobilinogen
  c. Stercobilin
  d. Unconjugated bilirubin


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rachel

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Reply #1 on: Jun 25, 2018
Answer to Question 1

ANS: D
Plasma hemoglobin can be detected when the concentration of hemoglobin is greater than 50 mg/dL. Free hemoglobin is seen in plasma, giving it its red color when excessive intravascular hemolysis exists. Both haptoglobin and hemopexin will be decreased as an attempt to salvage iron occurs.

Answer to Question 2

ANS: B
Bacteria in the gut oxidize conjugated bilirubin into various water-soluble compounds that together are called urobilinogen. A small amount of this is normally reabsorbed into the plasma and because of its water solubility will be filtered by the renal glomerulus and excreted into urine.


codyclark

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Reply #2 on: Jun 25, 2018
Thank you :)


rachel

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Reply #3 on: Jun 25, 2018
Happy to help you


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