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Laboratory Testing

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

8,512 Questions

Does soap work to clean your hands?

Yes, soap works by interacting with oils and dirt on your hands, allowing them to be rinsed away with water. It helps remove germs and bacteria, leaving your hands clean and reducing the risk of infection. Remember to wash for at least 20 seconds for the most effective cleaning.

When tests are done on your blood and the results show high levels in your liver what does that mean?

High levels of liver enzymes in the blood can indicate liver damage or inflammation. It is important to follow up with your healthcare provider to determine the cause of the elevated levels, which could be due to various factors such as alcohol use, certain medications, viral infections, or liver disease. Treatment will depend on the underlying cause.

Has it been proven that someone can pass a hair follicle test by using detox shampoo?

a study was done on zydot aka aloe rid and it only showed about 36% reduction in THC as aloe rid is used in most products and things like toxin wash are just shampoo and tide it will be the same

This info below has been added------October 12, 2009

Don't mess around with something that doesn't work.. I passed using neutrogena t/sal, several times a day for two weeks, the day of the test, I used 50% t/sal, 50% cider vinegar mix. for ten minutes. But I passed.. The test cutoff levels for THC is 1ng/gm of hair.... All the rest of the cutoffs are per 10 mg of hair.. 5ng/10mg for cocaine,2 ng/10mg for opiates, 3ng/10mg for pcp, 5ng/10mg for amphetamines.

What is a treachea tube used for?

A trachea tube is used to help maintain an open airway for patients who are having difficulty breathing on their own. It is inserted into the trachea to assist with breathing and to provide a pathway for mechanical ventilation if needed.

How do you insert needle in the basketball?

To insert a needle into a basketball, locate the valve on the ball and remove the cap. Press the needle into the valve firmly and slowly to avoid damaging the ball. Be careful not to overinflate the ball beyond its recommended pressure level.

Glucose level 101?

I recently had a blood test and my glucose level was 101 , it is supposed to be between 70-100. However dis does not indicate much for a possible diabetic. You really need to check for Hemoglobin A1C that has to be between 4.2-5.8

What is the significance of having the result of 3-5 hpf pus cells in the urine?

Having white blood cells present in the urine is not cause for alarm if no other symptoms are present. If there are other symptoms, then a doctor should be consulted to see about the possibility of a UTI.

How do you pass nicotine test?

The most effective way to pass a nicotine test is to abstain from all nicotine products for at least several days before the test. Drinking plenty of water and staying hydrated can also help flush nicotine out of your system quicker. Additionally, you can try using over-the-counter detox products, though their effectiveness can vary.

Why as the temperature of blood increases the pH decreases?

As the temperature of blood increases, the activity of enzymes that regulate pH decreases, leading to a decrease in pH. This happens because enzymes function optimally within a specific temperature range, and when this range is exceeded, enzyme activity is disrupted, resulting in a pH decrease.

Can blood group O and blood group ab cause rhesus factor?

No, blood group O and blood group AB are ABO blood groups, while the rhesus factor is determined by the presence or absence of the Rh antigen on the surface of red blood cells. The ABO and Rh systems are independent of each other, so having blood group O or AB does not determine the presence or absence of the rhesus factor.

What is chemical cascade?

A chemical cascade refers to a series of chemical reactions that are triggered by a specific event, leading to a chain reaction of biochemical processes. These cascades are often involved in signal transduction pathways within cells, where a molecule binding to a receptor initiates a series of reactions that ultimately produce a cellular response.

Why are the stoppers of vacutainer tubes color coded?

The stoppers of vacutainer tubes are color-coded to indicate the type of additive or anticoagulant in the tube. This helps healthcare professionals select the appropriate tube for specific blood tests, ensuring accurate and reliable results.

What does a 36.3 MCHC mean?

A mean corpuscular hemoglobin concentration (MCHC) level of 36.3% indicates the average hemoglobin concentration within red blood cells is within the normal range. This value is used to assess the concentration of hemoglobin in a given volume of packed red blood cells. Additional tests and clinical context may be needed to interpret this result fully.

Spot urine creatinine normal value?

The normal range for spot urine creatinine levels is typically between 20-370 mg/dL. Please note that these values can vary slightly depending on the laboratory reference range used.

Do you have blood in your urine after a cystoscopy procedure?

It is common to have some blood in the urine after a cystoscopy procedure. This is due to irritation of the bladder lining during the procedure. Typically, the blood in the urine should clear up on its own within a few days. It is important to contact your healthcare provider if you experience severe or persistent bleeding.

What is the chemical basis of molisch test?

basis of molisch testMolisch's Test is a sensitive chemical test for the presence of carbohydrates, based on the dehydration of the carbohydrate by sulfuric acid to produce an aldehyde, which condenses with two molecules of α-naphthol, though other phenols (e.g. resorcinol, thymol) also give colored products) resulting in a purple-colored compound (indicated by appearance of a purple ring at the interface between the acid and test layers).

What is heme?

Heme is a molecule that contains iron and is found in hemoglobin, the protein in red blood cells responsible for carrying oxygen throughout the body. It plays a crucial role in oxygen transportation and storage in the body. Heme can also be found in myoglobin, a protein that stores oxygen in muscle cells.

How harmful are infrared rays?

Infrared rays are generally not harmful to humans in small doses, as they are a form of electromagnetic radiation with longer wavelengths than visible light. However, prolonged or intense exposure to high levels of infrared radiation can cause skin burns and eye damage. It is important to take precautions when working with sources of high-intensity infrared rays to prevent adverse health effects.

What can you smoke?

You can smoke a variety of substances, such as tobacco, cannabis, and herbal mixtures. It's important to be aware of the potential health risks associated with smoking and to make informed choices about what you choose to smoke.

Can you drink alcohol the night before a blood test?

It's best to avoid drinking alcohol the night before a blood test as it can affect your liver function and certain blood test results. Alcohol can interfere with the accuracy of some blood tests, so it is advisable to abstain from alcohol for at least 24 hours before the test.

What are prompt nephrograms?

Prompt nephrograms are a radiographic study of the kidneys and urinary tract that is performed immediately after the injection of a contrast dye. This allows for visualization of the kidneys, ureters, and bladder to assess for any abnormalities such as tumors, stones, or obstructive lesions. It is commonly used in diagnosing conditions related to the urinary system.

Blood test fasting?

A fasting blood test is done after 8-12 hours of fasting (no food or drink other than water). This is done to get accurate readings of glucose, cholesterol, and triglyceride levels. It is important to follow your healthcare provider's instructions for fasting before a blood test to ensure accurate results.

Use of erlenmeyer flask?

Physical Description

An Erlenmyer Flask (named after Emil Erlennmeyer) is a common piece of laboratory glassware since 1861. It is also known as as a conical flask or E-flask. It has a conical body, flat base and a narrow cylindrical neck. The flask is usually marked to indicate the approximate volume of their contents.

The flask is chosen to replace a beaker if there is a need to stopper the contents. The narrow neck is sized to accept standard rubber stoppers or corks.

The conical shape and narrow neck facilitates stirring by swirling.

The small neck reduces evaporates losses. The neck may be fitted with side tubes to allow the extraction of produced gases

The flat bottom improves stability on lab benches. A Florence flask has a similar overall use but is more unstable because the body is round and the base is smaller.

Uses

Erlenmeyer flasks are used for:

  • pH tit rations
  • the preparation of mixtures which must be mixed without Starr

What happens during rusting?

Rust is a chemical reaction involving the oxidation of iron (Fe). This reaction produces iron oxide (FeO). The common forms of reddish brown rust can damage metals, but there other rusts such as bluing can be used to protect also.