If blood is collected through an indwelling catheter, care must ...

[Bernana]

If blood is collected through an indwelling catheter, care must be taken to:
 
  a. Prevent the citrate contamination of the line
  b. Flush the line with saline and discard the first 5 ml of blood
  c. Draw the sample quickly to prevent clotting
  d. Flush the line with sterile water

Question 2

The aPTT is the most common procedure used to monitor the unfractionated heparin therapy. Which of the reagents used in the test provides the activation of the formation of the fibrin clot?
 
  a. Thromboplastin/calcium mixture
  b. Activated partial thromboplastin and calcium
  c. Thrombin and fibrinogen
  d. Normal pooled plasma and thrombin

[Edwyer]

Answer to Question 1

Correct Answer: B

Answer to Question 2

Correct Answer: B