HEMATOLOGY: CHAPTER 41 - RODAKS
6TH EDITION Exam Questions and
Answers 100% Pass
platelet-poor plasma - Most hemostasis procedures are performed on
_______________________ prepared from venous whole blood collected
by venipuncture
platelet-poor plasma - Plasma whose platelet count is less tha...
✔✔Preferred needle gauge and length for transfer of blood from syringe
to tube
buffered 0.105 to 0.109 M (3.2%) sodium citrate - ✔✔The anticoagulant
used for most hemostasis testing is _____________________________
Sodium citrate - ✔✔binds calcium ions to prevent coagulation, and the
buffer stabilizes specimen pH as long as the tube closure remains in place
9:1 - ✔✔Upon collection, the anticoagulant solution mixes with blood to
produce a ________ ratio
9 ; 1 - ✔✔Under sodium citrate anticoagulant solution, there are ___
parts of whole blood to ___ part of anticoagulant
55% or below - ✔✔The 9:1 blood-to-anticoagulant ratio is effective,
provided the patient's hematocrit is
falsely prolonged - ✔✔In polycythemia the decrease in plasma volume
relative to whole blood unacceptably raises the anticoagulant-to-plasma
ratio, which causes _________________ results for clot-based coagulation
test
True - ✔✔True or False.
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