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What are preserved fossil also called?
Preserved fossils are also referred to as "petrified fossils" or "fossilized remains." These terms describe the process in which organic material is replaced by minerals, preserving the original structure and allowing for their long-term survival.
Why is it not recommended to leave an oven-dried sample in the open air for a long time before measuring its dry weight?
Because the sample may absorb moisture present in the air - leading to a false reading.
How long can hair taken five years be used in DNA?
Evidence doesn't "expire". As long as the sample is in suitable condition to allow analysis, it can be used forever.
Is it acceptable to determine the mass of a chemical sample by placing it directly on the pan of the balance?
Yes it is, as long as the balance is accurate.
How long will it take a g sample of bismuth to decay such that 2.0 g of the element remains?
You forgot to say that isotope is.
How long was a mummy preserved for?
As long as it could be preserved.
What are preserved fossils?
fossil's that have been preserved over a long period of time
What is nursing interventions before fecalysis?
What is Fecalysis?Fecalysis is also known as stool analysis. It refers to a series of laboratory tests done on fecal samples to analyze the condition of a person's digestive tract in general. Among other things, a fecalysis is performed to check for the presence of any reducing substances such as white blood cells (WBCs), sugars, or bile and signs of poor absorption as well as screen for colon cancer. To properly check for inadequate absorption, a fecal fat test may be required. This is a diagnostic procedure used to recognize problems with fat absorption. A quantitative fecal fat test is usually completed in three days and able to verify the amount of fat within a person's body. How Patients Prepare for Fecalysis?The accuracy of a fecalysis can be compromised if a patient has not been properly educated about what he can and can't do before or during the test. If he is taking any medications, these must be screened as some can affect test results. A patient is usually discouraged as well from taking aspirin, alcohol, vitamin C, ibuprofen and certain types of food if his fecal sample will be checked for any sign of blood. Recent travel and X-Ray tests can also affect the results of fecalysis. Sample Collection Process for FecalysisIt is up to the patient if he wishes to have fecal sample collected inside the doctor's office and with professional assistance or do it at home by himself. If he chooses the latter, he will need a stool collection kit to obtain and preserve the sample properly. The patient must urinate first to prevent any urine from mixing with his feces later on. He must also wear gloves when it's time to handle stool and transfer it to a safer container. This will prevent any possibilities of being contaminated or infected by bacteria found within the stool. Solid and liquid fecal samples are both acceptable as long as they do not have urine or other foreign substances like soap, water, and toilet paper mixed in them. If the patient is suffering from diarrhea, placing a plastic wrap and securing it under the toilet seat could facilitate the collection process. Collected samples must be brought to the doctor's office or laboratory as soon as possible. Delays could compromise the quality of the sample. Volume or amount is also important so the patient must be sure he has collected an adequate amount of stool. Results of Stool Analysis with a Fecalysis MicroscopeResults are normal if the fecalysis microscope shows that the sample does not contain any parasites, viruses, or bacteria as well as containing not more than 2mg per gram of sugar. Visual confirmation of the results should show that the patient's stool is brown and well-formed. Tactile confirmation should show that it's soft. Lastly, its pH level should be 6. Results are abnormal if the fecalysis microscope shows that the sample contains mucus, blood, parasite, bacteria, virus, or pus as well as containing more than 5mg per gram of sugar. Visual confirmation of the results should show that the patient's stool is colored green, yellow, white, red, or black. It may either be liquid in form or extremely hard. Its pH level is either ower than 5.3 or higher than 6.8. Prepared by: Donald James
How long does naturally preserved bread last preserved with ascorbic acid or whey?
1 day
Why are the tusks of mammoths not preserved?
There are mammoth tusks that have been preserved. In fact, there was a trade of mammoth ivory from carcasses even after they were long extinct.
What is a dead body which has been preserved called?
The word 'mummy' is generally used for a body which has been preserved over a long period of time. A recently-preserved body is usually referred to as 'embalmed'.
How long is your body preserved when your mummified?
at least a few thousands years
How long blood can be preserved in lavender top vacutainer?
24 hours
How long will a sperm sample be viable?
Not long unless kept by doctors.
Why is it that some things are preserved while others are not?
Some things are preserved because bacteria/virus etc. may develop or its quality will degrade if used after a long time while vice-versa is true of non-preserved foods.
outline two benefit of presserving food?
The food can stay fresh for so long and won't be able to adapt fungus after being preserved ,now a days everything we get from the market is preserved but the preserved thing can never be healthy enough
What do you think preserved the mammoths in such a perfect state?
Year long cold.
