SPECIMEN PROCESSING CH15
✅✅
The hematocrit represents the percentage of ________ in the total blood volume -
-RBCs
✅✅
What purpose do the gauze squares or wipes serve when collecting a sample using
a microhematocrit tube? - -To clean the excess blood from the outside of the
microhematocrit tube
✅✅
The two values of the microhematocrit (one from each tube) should match within
_________ - -2%
✅✅
After carefully opening up the tube of blood, the microhematocrit tube will fill with
blood by __________ - -capillary action
The buffy coat consists of: - ✅✅-WBCs and platelets
✅✅
Tubes must be processed in pairs for balance in the centrifuge and ______________
- -validity of test results
✅✅
When using a reagent strip for urine testing, the correct technique is to: -
-Immerse the strip in the urine and then tap the strip sideways to remove
excess urine
When labeling a patient's urine container, place the label on/in the: - ✅✅-side of
the container
Reagent strip tests are used to screen for the presence of - ✅✅-urobilinogen
✅✅
A urine specimen should be examined within ________ hour(s) to avoid changes to
or deterioration of the contents - -1 (one)
✅✅
A basic precaution for reagent strips is to use them within ________ months of
opening the container - -6 (six)
Most reagent strip pads are invalid after ________ minutes - ✅✅-2 (two)
What is another name for Point of Care Testing? - ✅✅-near patient testing
Point of Care Testing instruments are usually: - ✅✅-- portable
- easy to use devices
- operated with minimal training
Testing for guaiac is a stool test for the presence of: - ✅✅-blood
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