A phlebotomist is collecting several different tubes for a variety of laboratory tests. One of the tubes that is needed is a gray top tube for glucose testing. At her facility, this is a tube that is rarely used, but fortunately she finds some in the back of the phlebotomy supply cabinet. According to the order of draw, this tube is filled last. She successfully fills the light-blue, green, and lavender top tubes, but the gray top tube barely fills half-way even though the blood was flowing freely throughout the blood collection. She tries another gray top tube and it also begins to fill and then stops. The phlebotomist determines that the vacuum in these tubes is not adequate to fill the tubes. Which of the following is the most likely explanation for the lack of vacuum in the tubes? Please select the single best answer The tubes are cracked. The tubes are past their expiration date. The tubes were opened, restoppered and put back into the closet. Air entered the tube when the needle pierced the stopper.
A phlebotomist is collecting several different tubes for a variety of laboratory tests. One of the tubes that is needed is a gray top tube for glucose testing. At her facility, this is a tube that is rarely used, but fortunately she finds some in the back of the phlebotomy supply cabinet. According to the order of draw, this tube is filled last. She successfully fills the light-blue, green, and lavender top tubes, but the gray top tube barely fills half-way even though the blood was flowing freely throughout the blood collection. She tries another gray top tube and it also begins to fill and then stops. The phlebotomist determines that the vacuum in these tubes is not adequate to fill the tubes. Which of the following is the most likely explanation for the lack of vacuum in the tubes? Please select the single best answer The tubes are cracked. The tubes are past their expiration date. The tubes were opened, restoppered and put back into the closet. Air entered the tube when the needle pierced the stopper.
Human Anatomy & Physiology (11th Edition)
11th Edition
ISBN:9780134580999
Author:Elaine N. Marieb, Katja N. Hoehn
Publisher:Elaine N. Marieb, Katja N. Hoehn
Chapter1: The Human Body: An Orientation
Section: Chapter Questions
Problem 1RQ: The correct sequence of levels forming the structural hierarchy is A. (a) organ, organ system,...
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A phlebotomist is collecting several different tubes for a variety of laboratory tests. One of the tubes that is needed is a gray top tube for glucose testing. At her facility, this is a tube that is rarely used, but fortunately she finds some in the back of the phlebotomy supply cabinet.
According to the order of draw, this tube is filled last. She successfully fills the light-blue, green, and lavender top tubes, but the gray top tube barely fills half-way even though the blood was flowing freely throughout the blood collection. She tries another gray top tube and it also begins to fill and then stops. The phlebotomist determines that the vacuum in these tubes is not adequate to fill the tubes. Which of the following is the most likely explanation for the lack of vacuum in the tubes?
Please select the single best answer
| The tubes are cracked. | |
| The tubes are past their expiration date. | |
| The tubes were opened, restoppered and put back into the closet. | |
| Air entered the tube when the needle pierced the stopper. |
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