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Laboratory Testing

Before a doctor can diagnose a patient, laboratory tests such as blood work are required.

8,512 Questions

What is a chem 8 lab test for?

Chem-8 or BMP (basic metabolic panel) or the older term SMA-8 (sequential multichannel analysis) refers to a blood test which measures the levels of 8 chemical compounds. The levels of these compounds are often used to diagnose and track the progression of certain medical conditions or monitor the body's responses to medications and/or toxins. These compounds include sodium (Na+), potassium (K+), chloride (Cl-), bicarbonate or carbon dioxide (CO2), blood urea nitrogen (BUN), creatinine, glucose and calcium (Ca2+). Chem-7 refers to all of the above except calcium.

How the international color chart and numdering system are used to select color?

The international color chart and numbering system provide a standardized way to identify and communicate colors across different industries and cultures. By referencing the specific color number or code, professionals can accurately select and match colors in designs, products, and communications. This system helps ensure consistency and reliability in color selection and reproduction.

What color is the tube for electrolytes?

The color of the tube for electrolyte testing is typically green.

Which are the chamicals used to make picture tube?

Picture tubes typically consist of different chemicals such as lead oxides, barium compounds, phosphors, and heavy metals like cadmium and mercury. These chemicals help in the production of color and image on the screen by converting electric signals into light. However, due to environmental concerns, newer display technologies have mostly replaced picture tubes.

Why is it important to refrigerate a urine sample?

Refrigerating a urine sample helps to slow down the growth of bacteria that can cause the sample to deteriorate or become contaminated. This helps to maintain the integrity of the sample for accurate testing and analysis. Refrigeration also helps preserve the chemical composition of the urine for more reliable results.

What does low chloride mean?

Could be several things and caused by several different reasons. The atoms Chloride and Sodium (NaCl or "table salt") usually go together and follow each other; when there's a loss of one there's usually a loss of the other. One example is when a diuretic is used to treat blood pressure or hypervolemia. Diuretics "prevent" the kidneys from reabsorbing Na and CL (and often, K: potassium) back into the blood stream at various points throughout the nephron. The result is the loss of NaCl in urine, and along with it, more water too.

Sodium is particularly important in many processes throughout the body, including osmosis (movement of water throughout the various compartments of the body and each cell), nerve impulse transmissions (brain, spinal cord and peripheral nerves both sending and receiving impulses) and to every muscle fiber, where potassium is really important as well.

Low Cl is usually an indication that Na is also low, (but not always), and it's the sodium that affects so many processes in the body. Chloride kind of just goes along for the ride because it's the other (negatively charged) half of these three very important and essential salts: sodium chloride, potassium chloride, and calcium chloride, all atoms the body has to have in order to survive, and for so many different reasons.

How do you work out eGFR?

eGFR (estimated glomerular filtration rate) is usually calculated using a formula that takes into account serum creatinine level, age, gender, and race. The most commonly used equation is the CKD-EPI equation or the MDRD equation. You can also use online calculators or laboratory software to determine a patient's eGFR.

Father is O positive and Mother is A positive what will child blood type be?

The child could have blood type O positive, A positive, B positive, or AB positive. The child's blood type will depend on the combination of genes inherited from both parents according to the ABO blood group system.

What color tube is used to collect a TDM?

A serum separator tube (SST) is typically used to collect samples for therapeutic drug monitoring (TDM) as it allows for easy separation of serum from other components of the blood. The tube is usually gold or red-gray in color.

What serves as the backbone for a fat or triglycerides?

A fat or triglyceride backbone consists of glycerol molecules linked to fatty acids through ester bonds. These fatty acids can vary in length and saturation, influencing the physical properties of the fat.

What does an elevated creatinine clearance mean?

An elevated creatinine clearance typically indicates good kidney function. It means that the kidneys are effectively filtering and clearing creatinine from the blood at a faster rate than normal, which can occur in conditions like hyperthyroidism or high muscle mass. However, it is important to consider other factors and consult a healthcare provider for a proper evaluation.

What makes coumadin level change?

Changes in Coumadin (warfarin) levels can be influenced by factors like diet, medication interactions, liver function, alcohol consumption, genetics, and certain medical conditions. Regular monitoring of the international normalized ratio (INR) is necessary to ensure the appropriate dosage of Coumadin is maintained.

Is Co2 dangerous to man and at what levels?

It can be dangerous

The following info found at

http://www.dupagehealth.org/health_alert/co2_alert.html

Because carbon dioxide displaces oxygen, it is a health risk since we need oxygen to live. CO2is an asphyxiant. It can cause headaches, drowsiness and loss of ability to maintain concentration.

How much is safe in the home?The Federal Standard for carbon dioxide limits of exposure in air is 5,000 ppm (parts per million). This exposure limit is for a healthy adult. Consideration should be given for children, people over 65, and people with specific health conditions. A guideline set forth by the American Society of Heating, Refrigerating and Air Conditioning Engineers (ASHRAE) for schools, offices, and areas where people spend extended periods of time indoors is 1000 ppm. As a comparison, it is not unusual that outdoor air has a concentration of carbon dioxide in the range of 300 to 400ppm. Metropolitan areas usually have higher outdoor air concentrations of carbon dioxide than rural areas.

For CO2 to be a danger to humans in would have to reach levels between 30,000 ppm - 100,000 ppm and the danger would be asfixiation not co2 poisining.

What does the term resolution mean?

Resolution typically refers to the degree of detail that can be distinguished in an image or displayed on a screen, often measured in pixels. In a broader sense, resolution can also refer to the determination to achieve something or the act of resolving a problem or conflict.

What color top for a ptt lab draw?

For a PTT lab draw, a light blue top tube is typically used. This tube contains sodium citrate as an anticoagulant to prevent blood clotting during the test.

What does a high dol mean?

A high Debt-to-Equity ratio (DoL) indicates that a company is relying more on debt financing than equity. It may suggest that the company has a higher risk of defaulting on its debt obligations due to the significant amount of debt on its balance sheet. Investors often see a high DoL as a red flag and may consider it as a potential warning sign of financial distress.

What does a high neutrophlis mean?

A high neutrophil count, known as neutrophilia, can indicate an infection, inflammation, or physical stress. Neutrophils are a type of white blood cell that helps the body fight off infections, so an increase in their count is the body's response to an ongoing issue that needs to be addressed.

What do you call the person who works in a laboratory?

In Canada, there are Lab Technician/Assistants (who take your blood only), and Lab Technologists who can colelct blood from you, as well as preform and evaluate the results.

Or.. you can just call us "awesome people".

What is the main difference between a coomassie stain and a western blot?

In coomassie staining, a dye binds to all proteins, visualizing all of them. In this way, it's nonspecific. The dye diffuses into the the original gel.

In a western, an antibody binds specifically to one or more proteins, making it specific for proteins to which the antibody can bind. In order for the antibody to access the proteins from the original gel, they are moved (blotted) to the surface of a membrane (usually nitrocellulose).

Can you get pregnant if you empty your mans sperm out a condom?

It is still possible to get pregnant if sperm comes into contact with the vagina, even if it has been transferred out of a condom. Sperm cells are microscopic and can still find their way inside the vagina. It is important to use proper contraceptive methods if you are trying to prevent pregnancy.

What does HBsAg reactive but HbsAb is negative means?

HBsAg reactive means the person has been infected with Hepatitis B virus. HbsAb negative indicates that the person does not have immunity against Hepatitis B. This combination suggests an active Hepatitis B infection without immunity.

Can you test positive for heroin by touching it?

it had been a month since I had used because I started to go to a methadone clinic. and the methadone clinic requires a UA once a month to allow the clients the opportunity to have more take homes every week. well I still had a couple hundred dollars of heroin and decided to get rid of it, since I wasn't using it. when I divided the stuff up of course it got stuck on my fingers I didn't think anything of it. I did my UA the very next day and just got my results back a week later. I tested positive for opiates. So one of three things happened

1) the lab screwed up my test

2) I sleep walked over to my dealer and got some and did it that way

3) or there was dope seeping through my skin on my fingers, just enough to pass the cut off for a positive screen.

to be honest I'm still not 100% sure that number 3 is possible but I don't know what else could of happened.

Why was the cbc founded?

The Canadian Broadcasting Corporation (CBC) was founded in 1936 to provide a national broadcasting service for Canadians and to promote Canadian culture and identity. It was established as a public broadcaster to ensure that Canadians had access to news, information, and entertainment programs that were reflective of their country.

How long does someones saliva stay in your system after kissing?

OK, so this is a really interesting question! So short answer It depends on what you mean by 'in your system'. You will never get a significant amount of their saliva in your blood stream or anything like that, because 1. You are not swallowing but a really small amount like maybe 10 ul. 2, The HCl in your stomach will obliterate 99.99% of anything in it, so it will not be 'their saliva' when what little is absorbed.

Now on the contrary, you will absorb some REALLY small amount of the matter from their saliva which will not really be their saliva anymore, but the actual water and so forth will be there. It will slowly diminish over the course of years if ever will be where every last atom of it is gone. That and the bacteria some strains new to your mouth will colonize and change the composition of bacteria in your mouth. But this is actually good for your teeth and immune system. Especially if you kiss a few friends.

By the sound of it you probably don't like my answer, but better to answer with integrity than tell a lie!

What color test tube is HbA1C?

HbA1C test tubes are typically light purple in color, signifying that the blood sample is for a chemistry test.