A medical assistant needs to collect four tubes during a blood draw. Which of the following tubes should be filled last?
Yellow
Light blue
Red
Gray
The Correct Answer is D
A. Yellow: The yellow tube, used for blood cultures, is typically collected first to prevent contamination.
B. Light blue: The light blue tube is used for coagulation studies and should be collected before tubes containing additives that could interfere with coagulation tests.
C. Red: The red tube, which may contain no additives or a clot activator, is usually collected after the light blue tube.
D. Gray: The gray tube is used for glucose testing and should be filled last as it contains additives that could interfere with other tests if collected earlier.
Nursing Test Bank
Naxlex Comprehensive Predictor Exams
Related Questions
Correct Answer is A
Explanation
A. Label the tube after collection, including the date and time of collection: Labels should be applied to the tube immediately after the sample is collected to ensure accuracy and prevent mix-ups. Including the date and time helps with tracking and documentation.
B. Label the tube after collection, including the provider's name: While it is important to include identifying information, the primary focus should be on the date and time of collection to ensure the sample's accuracy.
C. Label the tube prior to collection, including the date and time of collection: Labels should be applied after the collection to avoid potential errors and ensure the correct sample is labeled.
D. Label the tube prior to collection, including the provider's name: Labeling prior to collection may lead to mistakes if the wrong sample is placed in the labeled tube. The correct practice is to label after collection.
Correct Answer is C
Explanation
A. Pleura: Pleura refers to the membranes surrounding the lungs, not fingers or toes.
B. Plexus: Plexus refers to a network of nerves or vessels in the body, not fingers or toes.
C. Phalanges: Phalanges are the correct term for the bones in the fingers and toes. This is the correct plural form of the term.
D. Pharynges: Pharynges is the plural form of pharynx, which refers to the part of the throat behind the mouth and nasal cavity, not fingers or toes.
Whether you are a student looking to ace your exams or a practicing nurse seeking to enhance your expertise , our nursing education contents will empower you with the confidence and competence to make a difference in the lives of patients and become a respected leader in the healthcare field.
Visit Naxlex, invest in your future and unlock endless possibilities with our unparalleled nursing education contents today
Report Wrong Answer on the Current Question
Do you disagree with the answer? If yes, what is your expected answer? Explain.
Kindly be descriptive with the issue you are facing.