Which of the following tests can be run using a light blue collection tube?
C-reactive protein (CRP)
Partial thromboplastin time (PTT)
Glucose
Lactate
The Correct Answer is B
A. C-reactive protein (CRP): CRP is typically tested using a serum sample collected in a gold or red-top tube, not a light blue tube.
B. Partial thromboplastin time (PTT): PTT is a coagulation test that requires a light blue top tube containing sodium citrate, which acts as an anticoagulant. This tube is specifically used for coagulation studies.
C. Glucose: Glucose levels are commonly measured using a gray-top tube containing sodium fluoride to inhibit glycolysis, not a light blue tube.
D. Lactate: Lactate levels are typically measured using a gray-top tube or green-top tube, depending on the specific protocol, not a light blue tube.
Nursing Test Bank
Naxlex Comprehensive Predictor Exams
Related Questions
Correct Answer is C
Explanation
A. Convulsions: Convulsions are not a common complication of phlebotomy; they are unrelated to the procedure.
B. Petechiae: Petechiae are small red spots that can occur but are less common than hematomas in phlebotomy.
C. Hematoma: A hematoma, or bruise, is the most common complication resulting from the accumulation of blood outside the vein after a blood draw.
D. Hypovolemia: Hypovolemia, or low blood volume, is not a common complication from routine phlebotomy.
Correct Answer is B
Explanation
A. Call for the provider. Calling for the provider may not address the immediate concern of the patient’s anger and can escalate the situation if not handled calmly first.
B. Speak to the patient using a low tone of voice. Speaking in a calm and low tone can help de-escalate the situation and show that the assistant is attentive and empathetic.
C. Tell the patient to calm down. Telling a patient to calm down can come across as dismissive and may worsen their frustration.
D. Respond in the same tone as the patient. Matching the patient’s angry tone is unprofessional and can escalate the situation further.
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