WebA) Rinse the smear with decolorizing agent until the smear has no more color. B) Add decolorizing agent until run-off is clear. C) Cover the smear with decolorizing agent for 30 seconds. D) Add water until run-off is clear. B) Add decolorizing agent until run-off is clear. What happens to the Gram-positive cell wall during decolorization? A ... WebAug 8, 2024 · National Center for Biotechnology Information
Gram Stain Kit - dbiosys.com
WebA student performs a Gram stain on a bacterial sample that has a mix of gram-negative and gram-positive organisms. The student accidentally forgets the decolorizer step. What would the outcome of the Gram stain be? All organisms would appear purple (gram-positive) The counterstain used in the Gram stain is a basic dye. WebD) mycoplasmas. E) Mycobacterium. d. 59) A sample of fluid from the lungs contains microbes that grow in filaments, and the filaments tend to align with one another. The cells stain poorly in the Gram stain and are a pink-red when acid-fast stained. The bacteria in the sample are. A) Mycoplasma species. duration of shedding omicron
Gram Stain - Testing.com
WebJul 8, 2024 · Gram stains can be performed on various types of specimens, including: blood ; tissue ; stool ; urine ; sputum ; What is a gram stain used for? Your doctor may order a gram stain if you have ... WebAn additional sputum specimen should be collected and submitted to the laboratory, if clinically indicated, if the sputum is found to be of poor quality. Results obtained by culture without evaluation for contamination may be noncontributory or misleading. 1 A Gram stain from a carefully collected specimen, with neutrophils and lancet-shaped ... WebIn a smear that has been stained using the Gram Stain protocol, the shape, arrangement and gram reaction of a bacterial culture will be revealed. FIG. 1. shows gram-positive (blue/purple) rods and FIG. 2. shows gram-negative (pink/red) rods. duration of semi annual bond