Which of the following actions should a clinical medical assistant take when labeling a vacuum tube manually?
Label the tube after collection, including the date and time of collection.
Label the tube after collection, including the provider's name.
Label the tube prior to collection, including the date and time of collection.
Label the tube prior to collection, including the provider's name.
The Correct Answer is A
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.
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Correct Answer is D
Explanation
A. Pinky: The pinky is not typically used for capillary punctures due to its small size and lower blood flow.
B. Thumb: The thumb is not preferred due to its thick skin and reduced blood flow compared to other fingers.
C. Ring: While the ring finger can be used, the index finger is generally preferred due to its larger surface area and better blood flow.
D. Index: The index finger is preferred for capillary punctures in patients older than 1 year due to its size and ease of access.
Correct Answer is D
Explanation
A. "This test measures my estrogen serum ratio after menopause." ESR stands for erythrocyte sedimentation rate, not estrogen serum ratio. This is an incorrect interpretation of the test.
B. "This test measures the fluctuation of serum protein." The ESR does not directly measure serum protein levels. It measures the rate at which red blood cells sediment in a period of one hour.
C. "This test measures my hemoglobin levels." Hemoglobin levels are measured by a hemoglobin test, not an ESR. This statement is incorrect.
D. "This test measures the distance my RBCs have dropped." This is the correct understanding. ESR measures the rate at which red blood cells settle at the bottom of a test tube over a specified period, indicating the distance the RBCs have dropped.