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Laboratory Testing

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

8,512 Questions

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Is a MCH count of 31.1 within the normal range?

as far as i can see between 25.0- 34.0 is normal at least that is what i understand.

Are substances that test positive with the Ames test necessarily carciongenic in humans?

The substances that are test positive with Ames test may or may not be carcinogenic for humans. Similarly, some substances that cause cancer in laboratory animals do not give a positive result Ames test. It is not possible to decide the carcinogenicity of any substances only depending on the Ames test.

What not to eat before a lipid profile test?

avoid fatty foods, no coffee, tea or pop, avoid sugar, eggs, shrimp, crab and lobster, or fatty cuts of beef.

Indication of rectal exam?

§ for the diagnosis of rectal tumors and other forms of cancer;

§ for the diagnosis of prostatic disorders, notably tumors and benign prostatic hyperplasia;

§ for the diagnosis of appendicitis or other examples of an acute abdomen (i.e. acute abdominal symptoms indicating a serious underlying disease);

§ for the estimation of the tonicity of the anal sphincter, which may be useful in case of fecal incontinence or neurologic diseases, including traumatic spinal cord injuries;

§ in females, for gynecological palpations of internal organs

What is a stalagmometer?

It's an instrument used to determine the number of drops in a given quantity of liquid.

What does a GFR of 114 mean?

Normal GFR varies with a person's age and weight. In general, a GFR above 100 would be considered normal in an otherwise healthy person. However, I must emphasize that GFR alone cannot be an accurate measure of kidney function. In order for a clinician to accurately assess GFR they need to look at the entire clinical picture. Thus, in the presence of some disease process a GFR of 113 might be abnormal. Doctors can never look at just one lab value and draw a conclusion. We need the entire clinical picture.

What are the normal arterial blood gas values?

The normal values for Areterial blood gas (for adults!) are as follows;

Pao2 >> 12-15kPa (90-110mmHg)

Paco2 >> 4.5-6.1kPa (34-46mmHg)

Bicarbonate >> 21-27.5mmol/l

H+ ions >> 36-44mmol/l (7.35-7.45 pH units)

I also referred to the Baillière's Nurses Dictionary to check!

What does it mean to have high MCH on bloodwork?

MCH in blood work refers to Mean Corpuscular Hemoglobin. This is the concentration of hemoglobin in blood cells. High MCH can mean macrocytic anemia, which results from a deficiency in vitamin B12 or folic acid.

Why do INR test?

INR is the International Normalized Ratio. It is used to measure the clotting tendency of blood, in the dosage of warfarin, liver damage and Vitamin K status.

What could a white blood cell count of 22000 mean?

Infection, Virus, bacteria, even cancer, but don't freak out, this may not be why. What did your Doctor say? I would get a seecond opinion asap.

My chlds was 22000 it was a urinary tract infection, he was fine after they treated it.

Do you have to fast before vitamin d test?

Vitamin D tests require four hours of fasting before the test can be conducted. It is also necessary to refrain from taking any vitamin D supplements or being exposed to the sun.

Does koko pelli and spike hair cleansing work?

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What type of tube is used for cbc?

A Complete Blood Count (CBC) is typically performed using a lavender or purple-top tube containing EDTA (ethylenediaminetetraacetic acid) as an anticoagulant. This additive helps prevent blood clotting, ensuring accurate measurement of blood cell counts and other parameters. The tube should be filled adequately to maintain the correct blood-to-additive ratio for reliable results.