Exam 12: Dermal Puncture

To produce a rounded drop of blood, finger punctures should be made:

When preparing a blood smear, the spreader is placed:

Gloves should be worn when handling unfixed blood smears.

The filter paper screening test for phenylketonuria (PKU) uses:

Scraping a microcollection tube across the puncture site is acceptable if the first drop of blood has been wiped away.

Blood smears are prepared for all of the following tests except:

Blood is removed from the bleeding time incision:

Order of collection for a hematocrit, blood smear, and glucose by dermal puncture is:

A phlebotomist receives requisitions for a stat bleeding time in Pediatrics at 1015 and a bilirubin in the Nursery at 1100. -Is it important to collect the bilirubin at 1100? Why or why not?

Failure to wipe away the first drop of blood when collecting a neonatal filter paper screening test could:

Amber-colored Microtainer tubes are used to collect specimens for:

Which of the following pairings is incorrect?

Microcollection tubes and capillary tubes are held horizontally while being filled.

A phlebotomist stocks the phlebotomy tray with both red and blue banded microhematocrit tubes. -What is the significance of the blue band?

The capillary pipette on a Unopette must be completely filled to obtain accurate results.

When preparing a blood smear, raising the angle of the spreader slide will:

A sharps container is not needed when performing dermal punctures using:

Microcollection tubes containing separation gel are available.

Pushing instead of pulling the blood with the spreader slide produces a blood smear that:

Select the response that describes how the collection of a dermal puncture sample for capillary blood gasses from a newborn or a young child differs from other capillary collections.