★ Hematology Quiz
The anticoagulant of choice for most routine coagulation studies is:
A. sodium oxalate
B. sodium citrate
C. EDTA
D. heparin
Select your answer:
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Endodontic Surgery › ViewA patient has a root canal infection and is pregnant. Which of the following is the most appropriate course of action?
A. Extract the tooth
B. Perform an apicoectomy
C. Perform root canal retreatment
D. Perform apexification
Biochemistry › View
Where is most of an atom’s mass located?
A. In the electrons
B. In the nucleus
C. In the electron shells
D. Evenly distributed throughout