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Author Question: What is the upper limit of normal for the fasting blood glucose level? a. 50 mg/dl b. 85 mg/dl ... (Read 136 times)

penguins

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What is the upper limit of normal for the fasting blood glucose level?
 
  a. 50 mg/dl
  b. 85 mg/dl
  c. 120 mg/dl
  d. 140 mg/dl

Question 2

A patient receiving heparin has a prothrombin time (PT) of 19 sec and an International Standard-ized Ratio (INR) of approximately 5.0, what does this indicate?
 
  a. High likelihood of excessive bleeding.
  b. Patient's results are normal.
  c. High likelihood of increased clotting.
  d. Possible embolism.



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beccamahon

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Answer to Question 1

ANS: D
A blood glucose level above 140 mg/dl on two occasions indicates diabetes is present in most cases.

Answer to Question 2

ANS: A
Prothrombin time (PT) is defined as the time in seconds required by plasma to form a fibrin clot following exposure to tissue factors. Clinically, abnormal increases in PT and PTT are found in patients with vitamin K deficiencies, and patients on anticoagulation therapy such as warfarin or heparin. PT is accompanied by an additional measurement known as the International Standard-ized Ratio (INR). The INR expresses PT relative to an established sample value. A normal INR value is 0.9 to 1.3. INR values of approximately 5.0 indicate a high likelihood for bleeding. Val-ues of 0.5 are associated with a tendency toward increased clotting.





 

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