NEEDLE
Basic information that should be present on all requisition forms includes which of the following?
A. Patient’s identification number
B. Tests requested
C. Patient’s name
D. All of the above
D. All of the above
The appearance of petechiae on a patient’s arm during site selection indicates that the:
A. basilic vein should not be used.
B. tourniquet is tied too tightly.
C. patient has deep veins.
D. radial pulse beat is very strong.
tourniquet is tied too tightly.
A blood collector can interrupt a physician-patient visit:
A. when the physician is not examining the patient.
B. when the patient is scheduled for routine phlebotomy rounds.
C. if the collection is a timed sample.
D. if the patient has visitors present.
C. if the collection is a timed sample.
A blood collector may be required to obtain information from a second wrist band when collecting samples for:
A. coagulation.
B. HIV.
C. chemistry.
D. blood bank.
D. blood bank
A sample collected from a patient who has recently eaten may appear:
A. icteric.
B. watery.
C. lipemic.
D. hemolyzed.
C. lipemic.
The most important procedure in blood collection is to:
A. initial the requisition form.
B. organize equipment at the bedside.
C. identify the patient correctly.
D. introduce yourself to the patient.
C. identify the patient correctly.
Failure to allow the alcohol to dry on the patient’s arm after site cleansing can cause which of the following?
A. A stinging sensation for the patient
B. Sample hemolysis
C. A possible unsterile site
D. All of the above
D. All of the above
When encountering a patient who is sleeping, the blood collector should:
A. notify the nursing station.
B. return at another time.
C. awaken the patient before collecting the sample.
D. try to collect the sample without waking the patient.
C. awaken the patient before collecting the sample.
A tourniquet is not applied when collecting a sample for:
A. glucose.
B. ammonia.
C. cortisol.
D. lactic acid.
D. lactic acid.
Blood tests that are affected by the patient’s posture are those that measure:
A. small molecules.
B. large molecules.
C. electrolytes.
D. glucose.
B. large molecules.
Which of the following are used to identify a patient?
A. Identification band
B. Requisition form
C. Bar codes
D. All of the above
D. All of the above
Which of the following is performed first when the last tube is collected?
A. The filled tube is removed from the holder.
B. Pressure is applied to the site.
C. Gauze is placed over the needle.
D. The needle is removed.
A. The filled tube is removed from the holder.
If a suitable vein is not located in the left arm, the blood collector should:
A. puncture in the area of the median cubital vein.
B. apply the tourniquet above the hand.
C. apply a blood pressure cuff.
D. check the right arm.
D. check the right arm.
The puncture site may require additional pressure to stop bleeding when the patient:
A. is taking anticoagulants.
B. Both B and C
C. frequently takes aspirin.
D. has low blood pressure.
B. Both B and C
Collection of blood from a vigorously crying child may cause a falsely:
A. decreased glucose level.
B. increased white blood cell count.
C. decreased white blood cell count.
D. increased glucose level.
B. increased white blood cell count.
Palpate means to:
A. examine by sound.
B. examine by touch.
C. obtain a sample from an IV line.
D. perform a venipuncture.
B. examine by touch.
Prior to bandaging the puncture site, the blood collector should:
A. thank the patient.
B. apply pressure for at least 5 minutes.
C. examine the site for bleeding.
D. instruct a fasting patient to eat.
C. examine the site for bleeding.
When collecting blood from a patient with a very edematous right arm and a large hematoma in the antecubital area of the left arm, the blood collector should collect the sample from:
A. the antecubital area of the left arm.
B. the antecubital area of the right arm.
C. below the hematoma.
D. above the hematoma.
C. below the hematoma.
Applying a tourniquet to or drawing blood from an arm located on the same side of the body as a recent mastectomy can be harmful to the patient and may produce erroneous test results. The application of a tourniquet as part of such blood collections is discouraged for which of the following reasons?
A. Causes increases in the blood level of lymphocytes and waste products in the area
B. All of the above
C. Increases the danger of developing lymphedema in the affected area
D. Interferes with the flow of lymph fluid in the area
B. All of the above
Recent strenuous exercise may affect the results of tests for:
A. lactate dehydrogenase and creatine kinase.
B. glucose and blood urea nitrogen.
C. amylase and uric acid.
D. bilirubin and alanine transaminase.
A. lactate dehydrogenase and creatine kinase.
Prolonged application of a tourniquet will cause:
A. hemolysis.
B. excessive bleeding.
C. difficulty locating a vein.
D. clotting.
A. hemolysis.
When properly used and organized before performing a venipuncture, the patient requisition forms will allow the blood collector to do which of the following?
A. Confirm that all requisitions for a specific patient are organized by the day and time of draw.
B. All of the above
C. Review any special conditions or patient preparation for this sample collection.
D. Review the tests ordered and the time and date for sample collection.
B. All of the above
Collection of blood from an area that is edematous:
A. may produce a hemoconcentrated sample.
C. is acceptable for venipuncture.
B. should be avoided.
D. is acceptable for dermal puncture.
B. should be avoided.
When using a syringe to fill blood collection tubes:
A. use a blood transfer device and allow the evacuated tubes to fill according to the vacuum in the tube; do not force the plunger.
B. use the blood transfer device only for potentially combative patients.
C. fill all of the evacuated tubes with the same needle used for collection.
D. activate the needle safety device after filling all of the evacuated tubes with the blood transfer device
A. use a blood transfer device and allow the evacuated tubes to fill according to the vacuum in the tube; do not force the plunger.
A patient who presents with petechiae prior to tourniquet application may require:
A. additional reassurance.
B. additional pressure following needle removal.
C. blood to be drawn from a hand vein.
D. use of a blood pressure cuff.
B. additional pressure following needle removal.