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The white blood cell count and differential determine the number of white blood cells and the percentage of each type of white blood cell in a person's blood. These tests are included in general health examinations and help investigate a variety of illnesses, including infection, allergy, and leukemia. The white blood cell count provides a clue to the presence of illness. White cells protect the body by fighting infection and attacking foreign material. When extra white cells are needed, the bone marrow increases production. There are five types of white cells, each with different functions: neutrophils, lymphocytes, monocytes, eosinophils, and basophils. The differential reveals if these cells are present in a normal distribution, or if one cell type is increased or decreased. This information helps diagnose specific types of illness. Conditions or medications that weaken the immune system, such as AIDS or chemotherapy, cause a decrease in white cells. The white cell count detects dangerously low numbers of white cells. Recovery from illness can be monitored by the white cell count. Counts continuing to rise or fall to abnormal levels indicate a worsening condition; counts returning to normal indicate improvement.
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Does the number of bacteria recorded by the standard plate count method accurately reflect the total bacterial count from the sample?
No. The standard plate count method is an indirect measurement of cell density of only viable bacterial cells. Optical density counting measure entire bacterial sample, the living as well as the dead bacterial cells.
What is the standard for aerobic plate count?
The standard for aerobic plate count, also known as aerobic colony count or Total Viable Count (TVC), is typically expressed in colony-forming units per milliliter (CFU/ml) or per gram (CFU/g) of sample. The acceptable limits can vary depending on the type of product or industry, but generally, lower counts indicate better hygiene and quality of the sample.
What are the limitations and advantages of standard plate count?
The standard plate count is performed so that the number of microorganisms found in a single gram of food can be determined. To be considered standard, there needs to be a minimum of 25 colonies on the plate.
Why direct microscopy and plate count give not a same counts?
Direct microscopy counts viable and non-viable cells, whereas plate count only counts viable cells that are able to grow and form colonies on agar plates. Additionally, plate count may underestimate the total number of viable cells due to factors like the inability of certain cell types to grow under specific conditions or the formation of aggregated cells that do not separate easily on the agar plate.
Why Plate Count Agar is used?
Plate Count Agar is used to estimate the number of viable bacteria or fungi in a sample. It provides a suitable medium for the growth of a wide range of microorganisms, allowing them to form visible colonies that can be counted. This method is commonly used in food and environmental microbiology to assess the microbiological quality of samples.
What is the difference between a standard serving and a portion?
A portion is a small plate of food, where is a standard serving is a full meal
What is standard plate count definition?
It is referring to heterotrophic plate numbers in water samples.
Can you grow all type of microorganism in standard plate count?
no
What is the difference between single plate clutch and multi plate clutch?
"What is the difference between single plate clutch and multi plate clutch?"
Why is standard plate count an indirect measurement of cell density whereas spectrophotometric analysis is not a count at all?
go ask your mom
What is the difference between a convergent plate boundary and a destructive plate boundary?
there the same
What is the difference between a pitcher's plate and the home plate in softball?
43 feet
There are other techniques for counting bacteria such as a direct microscopic count and turbidity Why is the standard plate count preferrend for food?
The standard plate count method is preferred for counting bacteria in food because it provides a simple and reliable way to determine the number of viable bacteria present. It allows for the cultivation of various types of bacteria which may be present in the sample, providing a more accurate representation of the bacterial population. Additionally, the standard plate count method is well-established, widely accepted, and can be easily standardized for regulatory purposes in the food industry.
What is the difference between plate tectonic and tectonic plate?
Plate Tectonics is the process by by which the earth's tectonic plates move.
Does the number of bacteria recorded by the standard plate count method accurately reflect the total bacterial count from the sample?
No. The standard plate count method is an indirect measurement of cell density of only viable bacterial cells. Optical density counting measure entire bacterial sample, the living as well as the dead bacterial cells.
What is the difference between tin plate and stainless steel?
a tin plate is tin and a plate, and stainless steel is stainless steel.
What is the difference between a character and a digit of a number plate?
not sure
