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Author Question: Which of the following is normal in a patient regularly taking aspirin? a. Bleeding time b. ... (Read 100 times)

geodog55

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on: Jun 25, 2018
Which of the following is normal in a patient regularly taking aspirin?
 
  a. Bleeding time
  b. Platelet cyclooxygenase function
  c. Synthesis of thromboxane A2
  d. Platelet count

Question 2

What types of hemostatic complications are found in patients with myeloproliferative disorders?
 
  a. Hemorrhagic
  b. Thrombotic
  c. Abnormal platelet function
  d. All of the above


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diesoon

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

ANS: D
Only the platelet count, of those evaluations listed, is normal in a patient who regularly takes aspirin. Aspirin acetylates cyclooxygenase, which is necessary for the synthesis of thromboxane A2. This prolongs the bleeding time.

Answer to Question 2

ANS: D
Patients with one of the chronic myeloproliferative disorders, such as polycythemia vera and essential thrombocythemia, may have abnormal platelet function; clinically, they may result in either abnormal bleeding or abnormal thrombosis. Some patients develop both, although this is rare.


geodog55

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Reply 2 on: Jun 25, 2018
Gracias!

mohan

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Reply 3 on: Yesterday
:D TYSM

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