Blood samples are very useful for diagnosing blood pathologies because you can place a drop of the blood sample on a slide, fix the sample to the slide and evaluate a large number of blood cells for abnormal shapes, sizes and arrangements. You can also look for parasites in the blood as well as bacterial and fungal infections.
How do teachers diagnose a learning disability? He can't diagnose the disease if he doesn't know its symptoms. A blood test is used to diagnose thyroid problems.
To obtain DNA profiles.
A histologist is a scientist who specializes in the study of the microscopic structure of tissues. They use various techniques to prepare tissue samples for analysis and help diagnose diseases based on tissue samples.
To examine blood samples, stools, small part of plant's bodies,etc
Yes. They will also use urine and blood in some cases.
It depends on what the samples are being used for. Blood can be stored for a couple of days without ill effects (blood banks use special freezers a fraction above 32 degrees to store blood for about a week). Blood samples sent to labs to test for drugs can sit for a couple of weeks without problems because the chemicals they are searching for won't decay much. Blood samples used to detect diseases are usually processed within 48 hours.
Some laboratories can use hair or nail samples but blood is the most common specimen type.
for a shot use a toothpick but if you dont have 1 use a sharp piece of paper for dna samples use a q tip for the blood use germ x
by examining samples of, say, blood, and identifying the good and bad things in it
Testing for HIV usually involves the oral rapid test or a blood test. There are no other clear signs a health care provider can use to diagnose HIV.
Liver biopsy can be done to examine liver tissue for potential damage and use it to diagnose Hepatitis B. However, specific blood tests can also be used to diagnose Hepatitis B.
Yes, if you are culturing blood samples in petri dishes, you would typically use nutrient agar powder as the growing medium. This provides the necessary nutrients for bacteria to grow and allows for the observation and isolation of different types of bacteria present in the blood sample.