PT and PTT are used to ________.
A. measure the effectiveness of an anticoagulant drug
B. calculate the percentage of red blood cells in a blood sample
C. monitor the progress of HIV infection
D. diagnose pernicious anemia
Answer:A
PT and PTT are used to ________.
A. measure the effectiveness of an anticoagulant drug B. calculate the percentage of red blood cells in a blood sample C. monitor the progress of HIV infection D. diagnose pernicious anemia
Explanation: A) Correct!