Normal values of coagulation studies include: Select all that apply
1. Prothrombin time (PT): 12 to 15 seconds.
2. Thrombin time: 8 to 12 seconds.
3. Fibrinogen: 200 to 400 mg/dL.
4. Activated partial thromboplastin tme (aPTT): 60 seconds.
5. Bleeding time: less than 1 minute.
1. Prothrombin time (PT): 12 to 15 seconds.
2. Thrombin time: 8 to 12 seconds.
3. Fibrinogen: 200 to 400 mg/dL.
Rationale: Prothrombin time (PT): 12 to 15 seconds. This value is within the correct time parameters. Thrombin time: 8 to 12 seconds. This time is within the normal parameters. Fibrinogen: 200 to 400 mg/dL. This value is within the normal parameters. Activated partial thromboplastin time (aPTT): 60 seconds. This is too long; the normal value is 30 to 45 seconds. Bleeding time: less than 1 minute. This is too short of a time period; normal parameters are 1 to 6 minutes.
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