Answer :
Answer: A buccal swab procedure should not cause bleeding because the Epithelial tissues do not have a blood supply, there would be no blood at all.
This type of swab is commonly used to test for DNA testing. The test is used by taking a swab and rubbing it around the inside of the cheek for an estimated 30 to 60 seconds and no longer. The entire swab must be sure to make contact with the inside of the cheek. It must never touch anything else such as the gums, lips, or teeth.
The person doing the test must be using sterile gloves and a sterile swab. if it is not sterile, the results may be inaccurate.
A buccal swab procedure, should not result in bleeding as epithelium is avascular, so no blood vessels cross the basement membrane to move into the tissue.
What is buccal swab?
It is one of the method to collect DNA from the cells present on the inside part of the cheek. It is comparatively a non-invasive way to gather the samples of DNA for testing. Buccal means mouth or cheek.
A buccal swab should not result in bleeding as the epithelial cells do not comprise any kind of blood supply. This is the reason that while withdrawing some of the cells from the apical layer of the epithelium will not result in the destruction of blood vessels.
Thus, buccal swab procedure would not result in bleeding as epithelium is avascular.
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