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What are some specimens that are light sensitive?
Some specimens that are light sensitive include certain types of algae, fungi, bacteria, plants, and insects. These organisms may exhibit phototropism, which is the ability to move or grow in response to light stimuli. Exposure to certain wavelengths of light can also impact the growth, development, and behavior of these light-sensitive specimens.
Why must specimens viewed with a compound microscop be thin?
Specimens viewed with a compound microscope must be thin to allow light to pass through them. This ensures that the light rays can illuminate and pass through the specimen, which is necessary for magnifying the image and producing a clear view under the microscope. Thicker specimens would scatter or block the light, resulting in a blurry or dark image.
Is the concentration of calcium lower or higher in capillary specimens?
The concentration of calcium in capillary specimens is generally lower than in venous specimens. This difference can be attributed to the effects of tissue metabolism and the dynamics of blood flow in capillaries. Additionally, capillary blood may have a different composition due to the mixing of interstitial fluid, which can further influence calcium levels. Therefore, when interpreting calcium levels, it's important to consider the source of the blood sample.
Why are EDTA specimens obtained before other specimens when collected by skin puncture?
EDTA specimens are obtained first to prevent contamination of the blood with elements released during the skin puncture process, such as potassium and glucose, which could affect the accuracy of subsequent tests. EDTA also helps to preserve the integrity of the blood cells for hematologic testing.
What is another name for ordinary microscope?
A common term for an ordinary microscope is a light microscope, which uses visible light to illuminate and magnify specimens for observation.
WHAT section of the clinical laboratory will perform pregnancy test o blood specimens?
The chemistry section of the clinical laboratory typically performs pregnancy tests on blood specimens.
What blood test is light sensitive?
The blood test that is light sensitive is the bilirubin test, which measures the levels of bilirubin in the blood. Bilirubin is a byproduct of the breakdown of red blood cells, and exposure to light can cause it to degrade, potentially leading to inaccurate results. To prevent this, samples should be protected from light, typically by wrapping them in aluminum foil or using special light-blocking tubes.
What blood specimens need to be chilled?
Blood specimens that need to be chilled include those collected for testing electrolytes (such as potassium, sodium), arterial blood gases, ammonia, and lactate. Chilling helps preserve the integrity of these analytes before testing.
What are some specimens that are light sensitive?
Some specimens that are light sensitive include certain types of algae, fungi, bacteria, plants, and insects. These organisms may exhibit phototropism, which is the ability to move or grow in response to light stimuli. Exposure to certain wavelengths of light can also impact the growth, development, and behavior of these light-sensitive specimens.
What type of preparation does bilirubin specimens require?
Protection from light.
How could robert be liable for mislabeling blood samples?
Mislabeling of blood specimens can result in hemolytic transfusion reactions from the incompatible blood.
Why do some blood samples need to be protected from light?
Some blood samples need to be protected from light because certain analytes, like bilirubin and some vitamins, are photosensitive and can degrade or change their structure when exposed to light. This degradation can lead to inaccurate test results, potentially affecting diagnosis and treatment. To preserve the integrity of these samples, they are often stored in amber-colored containers or wrapped in aluminum foil to block light exposure.
What types of specimens should always be cultured for anaerobes if an infection is suspected?
These include abscesses, bites, blood, cerebrospinal fluid and exudative body fluids, deep wounds, and dead tissues. The specimen must be protected from oxygen during collection and transport
What is a sentence with the word specimen in it?
The detective took specimens of her blood to find out who killed her.
What special preparation do Bilirubin specimens require?
It needs protection from light.
What two types of blood specimens are used for most hematological tests?
The two main types of blood specimens used for most hematological tests are whole blood and plasma. Whole blood includes all components of blood, while plasma is the liquid portion of blood after cells have been removed.
What is done to save the black panthers?
Black panthers are merely black specimens of the leopard or jaguar, and not protected just because of their coloration.
