Chapter 9 Study Guide
1.
According to CAP guidelines, drugs that interfere with blood tests should be stopped
Should be stopped 4 to 24 hrs prior to blood collection
2.
A patient's arm is in anatomical position. There appears to be a loop under the skin
between the wrist and the elbow. You feel a buzzing sensation when you touch it. What
are you most likely feeling is:
AV graft
3.
You insert the needle in a patient's arm and properly engage the tube. No blood flows into
the tube. You make subtle needle adjustments and there is still no blood flow. What is the
is the best thing to do next?
Stop, asses and correct; check tube position first and then assess needle position
4.
Results of which test have a direct correlation with the patient's age?
RBC, WBC, and creatinine clearance
5.
Which of the following tests is affected the most if collected from a crying infant?
Elevated WBC
6.
While you are in the middle of drawing a blood specimen, your patient starts to faint. The
first thing you should do is
Watch for signs of fainting and if pt has history of fainting you should have pt be laying down;
you should stay with your pt until they have regained consciousness and advise them to wait for
about 15 minutes before they leave
7.
The serum or plasma of a hemolyzed specimen would most likely look:
Pink or reddish
8.
A patient has had a mastectomy on the left side and has an IV midway down the right
arm. Where is the best place to perform a venipuncture?
Their hand or distal to the IV on right arm
9.
The medical term for fainting is:
Syncope
10.
What can cause a hematoma?
Blood leakage into the tissues during or following venipuncture
11.
Underfilling this tube will most likely result in a hemolyzed specimen:
Excessive sodium fluoride in underfilled gray tops
