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Author Question: What is the test commonly used to monitor the high heparin doses used in cardiac bypass surgery? ... (Read 83 times)

sammy

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on: Jun 25, 2018
What is the test commonly used to monitor the high heparin doses used in cardiac bypass surgery?
 
  a. PTT
  b. Prothrombin time
  c. Thrombin clotting time
  d. Fibrinogen

Question 2

Which of the following is necessary for normal platelet aggregation?
 
  a. Ristocetin
  b. von Willebrand factor (VWF)
  c. Epinephrine
  d. Fibrinogen


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Moriaki

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

ANS: A
The high heparin doses used in cardiac bypass surgery can be monitored using the PTT.

Answer to Question 2

ANS: D
Normal platelet aggregation requires fibrinogen. Ristocetin is a substance added in vitro that causes platelet to clump. VWF is needed for normal platelet adhesion. Epinephrine is a platelet agonist stimulating platelet aggregation, but it is not necessary.


sammy

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Reply 2 on: Jun 25, 2018
Great answer, keep it coming :)

LVPMS

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Reply 3 on: Yesterday
Excellent

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