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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 does it mean when your MCH is low?

A low Mean Corpuscular Hemoglobin (MCH) level typically indicates that there is less hemoglobin in the red blood cells than normal. This can be due to conditions such as iron deficiency anemia, thalassemia, or chronic diseases that affect red blood cell production. Further evaluation by a healthcare provider is needed to determine the underlying cause.

What is a nanoliter?

A measurement equel to one billionth of a liter. I found this information on google.

Parts of a Bunsen burner adjusted?

There are two adjustable parts on the Bunsen burner, the knob to control gas flow and the rotation of the collar to control air flow. The gas flow control, adjusts the size of the flame by controlling how much gas is burned. While the collar controls the intensity of the flame by controlling how completely the gas burns, more complete combustion the hotter the flame. These are the two parts to adjust a Bunsen burner, I hope I have answered your question.

How much does a body scan cost?

The cost of a body scan can vary depending on the type of scan and location. On average, body scans can range from $500 to $3000. It is recommended to contact a healthcare provider or imaging center for specific pricing information.

Is urea an abnormal constituent of urine?

No, urea is a normal constituent of urine and is produced as a result of protein breakdown in the body. It is excreted by the kidneys as a way to eliminate waste products from the body.

Is exocytosis passive transport?

No, exocytosis is an active process where cells release substances by fusing vesicles with the cell membrane to expel contents out of the cell. Passive transport does not require energy input, whereas exocytosis involves energy in the form of ATP to carry out the process.

Will flexeril show up in an employee drug test?

Yes, Flexeril (cyclobenzaprine) is a muscle relaxant that can potentially show up in a drug test as a false positive for tricyclic antidepressants due to its chemical structure. However, confirmatory testing can differentiate between Flexeril and other substances. It's important to disclose any prescription medications to the testing facility.

Hayems solution is used for determining what?

Hayem's solution is used for determining the total red blood cell count and the hemoglobin concentration in a given sample of blood. It is frequently used in hematology to assess various blood disorders and diseases.

When they use the hayems solution what are they trying to determine?

Hayem's solution is used to determine the specific gravity of blood, which helps assess the concentration of red blood cells in a blood sample. This is important in diagnosing conditions like anemia or dehydration.

Is human urine sterile?

no It can carry contagion. But urine has antiseptic properties that should for the most part render it sterile. Irish navies used to make use of this by peeing into their newly bought boots to prevent thbe growth of athletes foot causing organisms

How long has the oxygen concentration of the atmosphere been at its current level?

The current oxygen concentration in the Earth's atmosphere has been relatively stable at around 21% for the past 300 million years. This level is maintained through processes like photosynthesis by plants and phytoplankton, which convert carbon dioxide into oxygen.

Can high cholesterol kill you?

Having high cholesterol can increase your risk of heart disease, which can lead to complications such as heart attacks and strokes that can be life-threatening. It is important to manage and control high cholesterol levels with a healthy lifestyle and possibly medication to reduce this risk.

Colors of vacutainers?

Vacutainers come in a variety of colors to denote the type of additive or treatment applied to the blood sample. Common colors include red (no additive), lavender/purple (EDTA additive), light blue (sodium citrate additive), green (heparin additive), and gray (fluoride oxalate additive). Each color signifies a specific purpose in preserving or treating the blood sample for laboratory testing.

How soon can you draw an ABG after suctioning or changing FIO2?

It is recommended to wait at least 20-30 minutes after suctioning or changing FIO2 before drawing an ABG to allow the patient's respiratory status to stabilize. This helps to obtain an accurate assessment of their blood gases.

If you have not smoked pot for 6 weeks can you pass a hair folical test?

Hair follicle tests can detect drug use up to 90 days prior, depending on the length of the hair sample. So, if you have not smoked pot for six weeks, there is a good chance you may pass the test, but it's not guaranteed because it depends on factors such as the sensitivity of the test and the rate of hair growth.

When blood CO2 levels increase does the pH increase or decrease?

When blood CO2 levels increase, it leads to an increase in hydrogen ion concentration, which lowers pH, making it more acidic. This phenomenon is known as respiratory acidosis.

What is isotonic concentration?

Isotonic concentration refers to a solution that has the same concentration of solutes as another solution, resulting in no net movement of water across a semipermeable membrane. This creates a state of equilibrium between the two solutions, maintaining cell volume and preventing osmotic effects.

Would taking loperamide make your Potassium level increase on a blood test?

Loperamide is an anti-diarrheal medicine. The drug itself is not related to an increase in potassium on a blood test. However, having diarrhea can cause you to lose potassium and other minerals. So that a blood test taken before the drug is used can show a low potassium level. When the diarrhea stops, the potassium level will increase.

How do you perform a vdrl test?

To perform a VDRL test, a healthcare provider will collect a blood sample from a patient, which is then tested for the presence of antibodies produced in response to the syphilis-causing bacteria. The test detects antibodies called reagin, and results are typically available within a few days. It's important to follow up with a healthcare provider for interpretation and next steps based on the test results.

What does urine r m check for?

A urine R/M test typically checks for various parameters such as color, appearance, pH level, specific gravity, protein, glucose, ketones, bilirubin, urobilinogen, nitrites, leukocytes, red blood cells, and white blood cells. This test helps in assessing kidney function, detecting urinary tract infections, monitoring diabetes, and identifying other health conditions.

Does vinegar clean out your urine?

Vinegar can help clean out your urine due to it's detoxifying properties. Another great way to cleanse your body is by hydrating yourself with water to help speed up the detoxifying process.

What medicines produce ETG?

ETG, or Ethyl Glucuronide, is a metabolite of ethanol (alcohol) and is not produced by specific medicines. However, consuming alcohol-containing medications like cough syrups, liquid elixirs, and some mouthwashes can potentially lead to the formation of ETG in the body.

Is it bad to have to much fluid in mother's womb?

Yes. Too much is bad. You might think that extra fluid would just mean an extra cushion for the fetus, but unfortunately that is not the case. The growing fetus begins to swallow amniotic fluid (the fluid in the womb) as part of his/her normal development. If there is too much fluid, it could be a sign that there is something preventing him/her from swallowing. This can have serious consequences. Only a doctor can tell for certain if their is too much fluid in your womb. You shouldn't worry until you've spoken to one. Be sure to tell your OB-GYN that you are concerned about it at your next visit.

How can you test for protein?

Protein can be tested using the Biuret test, where a solution containing copper sulfate and sodium hydroxide is added to the sample. A color change to purple indicates the presence of protein. Other tests such as the Bradford assay or Lowry assay can also be used to quantitatively measure protein concentration.

If the pregnancy test band is lighter than the control band it means this is pregnant?

Yes. The test result only depends on the two lines appearing. But it also may be a false positive, but not because of the lighter brand.