Author Question: Which of the following is a ratio that compares results to ensure consistency from one lab to ... (Read 91 times)

ss2343 · **on:** Jun 25, 2018

Which of the following is a ratio that compares results to ensure consistency from one lab to another?
A) PT
B) aPTT
C) Bleeding time
D) INR

Question 2

Which of the following is not a guideline for performing an ESR?
A) The test must be timed for precisely two hours.
B) The tube must remain undisturbed in a vertical position.
C) Do not place tubes in direct sunlight.
D) The test should be performed within two hours of collection.