Match the Following Regarding the Gram Stain.

Assume that you are viewing a Gram-stained sample of vaginal discharge. Both gram-positive and gram-negative cells have.

Pin By Lina Anwari On My Job Medical Laboratory Technician Medical Laboratory Scientist Medical Laboratory

Now you are ready for the gram staining procedure.

. Endospores are used for reproduction. Now flood the smear gently with Grams iodine. The presence of intracellular gram-negative diplococci on a smear made from a purulent urethral discharge from a male is diagnostic for gonorrhea.

2 Which of the following statements regarding Gram staining are true. ___5__ Generally pleomorphic variable shape rods that. Ethanol is used as a mordant to cross link crystal violet c.

Crystal violet directly stains the bacterial cell wall e. Gram stain e Indian ink 14 SHAPE OF THE BACTERIA Depending on their shape bacteria are classified into several varieties 1. Simple stain a Silver 2.

Nonbacterial Cells in Direct Smears. If the bacteria is Gram positive it will retain the primary stain crystal violet and not take the secondary stain safranin causing it to look violetpurple under a microscope. The most widely used staining procedure in microbiology is the Gram stain discovered by the Danish scientist and physician Hans Christian Joachim Gram in 1884.

Both c and e. Cocci from kokkos meaning berry are spherical or oval cells. Match the following terms with their functions External environmental cues about time of day v Choos.

Escherichia coli stains pink because it has a thin peptidoglycan layer b. Let it stand for one minute. The primary stain crystal violet binds to peptidoglycan coloring cells purple.

Endospores are used for reproduction b. Gram negative bacteria have a thick peptidoglycan wall d. If the bacteria is Gram negative it will lose the primary stain and take the secondary stain causing it to appear red when viewed under a microscope.

The Gram stain is the most important and universally used staining technique in the bacteriology laboratory. Used on a wet mount of the specimen B. Endospores are easily stained in the Gram stain process d.

The gram stain and acid fast stain have the following in common A. The sleep cycle is an oscillation between the sluggish wave and REM perplexing periods of rest. Mycobacterium species ___4__ Gram-positive cocci found in soil dust particles inanimate objects skin.

Gram-positive bacteria thick layer of peptidoglycan- stains purple. Outcome based on cell wall differences D. Slightly tilt slide and rinse gently with tap water or distilled water using a wash bottle.

Impregnation method c iodine complex 4. The procedure is based on the reaction between peptidoglycan in the cell walls of some bacteria. Match the following regarding the Gram stain.

Use a negative stain technique E. Gram positive bacteria will stain Purple b. Streptococcus pyogens stains blue because it has a thick peptidoglycan layer c Mycoplasma pneumoniae is not visible in the Grams stain because it does not have a cell wall d.

A single cell can produce many endospores. Large 10 mm nucleated red cells are coated with small 05 mm wide by 15 mm long blue cells on their surfaces. Basic classification of Medically Important Bacteria.

Gram negative bacteria have a thick outer membrane. Tolerates dry and moderately salty conditions. Each of the following statements concerning the Gram stain is correct except.

Negative stain b acids 3. Size and Appearance of Nonbacterial Cellular Elements on Gram Stained Smears. Use heat to force the dye into cell structures C.

Gram staining is a differential bacterial staining technique used to differentiate bacteria into Gram Positive and Gram Negative types according to their cell wall composition. Which of the following regarding endospores is TRUE. Match the following reagents with their role in the Gram stain procedure.

It is used to distinguish between gram and gram - bacteria. Match each of the following obligate aerobic bacteria with its description. Gram-negative bacteria thin layer of peptidoglycan and high lipid content stains redpink.

Gram staining is a differential staining technique that differentiates bacteria into two groups. Place the heat-fixed smear on a staining tray. Are differential stains F.

It is the most widely used and the most important staining technique in bacteriology especially in medical bacteriology. Large red cells are epithelial cells lack peptidoglycan from vagina blue-purple gram are bacteria Gardnerell Vaginalis. The Gram stain involves staining bacteria fixing the color with a mordant decolorizing the cells and applying a counterstain.

The difference between gram and gram - bacteria lies in the ability of the cell wall of the organism to retain the crystal violet. Match the Gram stain reaction for each of the following nonbacterial elements. Acid fast stain d Methylene blue 5.

Flood your smear gently with crystal violet. The widely used staining method in the microbiology is the differential staining that are gram stain. Endospores enable a cell to survive environmental changes c.

Let it stand for one minute.

At The Conclusion Of Our Short Research Project About Inventors Students Completed A Printa Third Grade Social Studies Social Studies Lesson Research Projects

School Reading Worksheets Microscope Parts Biology Lessons

Pin On Branding Design