Laboratory studies related to heparin therapy include
1. aPtt.
2. serum heparin studies.
3. complete blood studies.
4. sedimentation rate.
Correct Answer: 1
Rationale 1: aPtt is the study of choice for heparin therapy.
Rationale 2: These are not valid studies.
Rationale 3: Complete blood studies can be done, but are not necessarily related to heparin.
Rationale 4: Sedimentation rate is not needed for heparin therapy.
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True False
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