The normal prothrombin time is 11-15 seconds, although there is some variation depending on the source of the thromboplastin used in the test.
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if i scored 237 on my pt test how many promotion point is that
D-
4.5 qt = 9 pt
A collection of pitches arranged in ascending and descending order constitutes a scale.
There are 2 pt per qt. 5 qt * 2 pt / qt = 10 qt. Since 5 qt = 10 pt, 5 qt is less than 12 pt.