Podcast
Questions and Answers
What is the responsibility of the phlebotomist in relation to test results?
What is the responsibility of the phlebotomist in relation to test results?
- Controlling pre-analytical variables (correct)
- Ensuring proper transport conditions
- Analyzing the specimen
- Managing post-analytical variables
What can cause hemolysis if done incorrectly during specimen collection?
What can cause hemolysis if done incorrectly during specimen collection?
- Holding the syringe upright
- Filling the tube slowly
- Activating the safety device on the needle
- Pushing on the plunger while filling the tube (correct)
Which type of variable can be affected by pre-analytical variables such as collection time or transport conditions?
Which type of variable can be affected by pre-analytical variables such as collection time or transport conditions?
- Control variables
- Analytical variables (correct)
- Specimen variables
- Post-analytical variables
Where do most errors in pre-analytical variables occur?
Where do most errors in pre-analytical variables occur?
What effect do samples from patients on anticoagulants have on clotting times?
What effect do samples from patients on anticoagulants have on clotting times?
How quickly do samples with clot activators clot?
How quickly do samples with clot activators clot?
What is the principle of balancing samples in a centrifuge?
What is the principle of balancing samples in a centrifuge?
Why is repeated centrifugation of a specimen not recommended?
Why is repeated centrifugation of a specimen not recommended?
What danger does an unbalanced load in a centrifuge pose?
What danger does an unbalanced load in a centrifuge pose?
Amber-colored microtubes are used to collect samples to expose them to light.
Amber-colored microtubes are used to collect samples to expose them to light.
Samples are transported to the laboratory depending on the size of the institution and the degree of specialization within it.
Samples are transported to the laboratory depending on the size of the institution and the degree of specialization within it.
In larger hospitals, samples are hand-carried by the phlebotomist or another member of the laboratory team.
In larger hospitals, samples are hand-carried by the phlebotomist or another member of the laboratory team.
A logbook at the drop-off and pickup area should include the patient's name, hospital number, specimen type, and the date and time of delivery.
A logbook at the drop-off and pickup area should include the patient's name, hospital number, specimen type, and the date and time of delivery.
Some institutions use a pneumatic tube system for sample transport that travels within a network of tunnels.
Some institutions use a pneumatic tube system for sample transport that travels within a network of tunnels.
What is a common task for a phlebotomist when transferring serum or plasma to plastic transport tubes?
What is a common task for a phlebotomist when transferring serum or plasma to plastic transport tubes?
What are the potential consequences of improper sample collection in a laboratory setting?
What are the potential consequences of improper sample collection in a laboratory setting?
Why is specimen adequacy checking considered a critical factor in test result accuracy and usefulness?
Why is specimen adequacy checking considered a critical factor in test result accuracy and usefulness?
What is a major factor leading to the rejection of samples in laboratory testing?
What is a major factor leading to the rejection of samples in laboratory testing?
What are some reasons for insufficient volume in samples collected from patients?
What are some reasons for insufficient volume in samples collected from patients?
How can incorrect phlebotomy practices contribute to pre-analytical errors?
How can incorrect phlebotomy practices contribute to pre-analytical errors?