In the context of lab test results, “normal” does not mean usual, typical, or ordinary. Instead, “normal” refers to how these values line up on a graph and form a range. The word “normal” here means a “normal distribution”, or set, of lab values. When we graph this, it l...
If all values except LDH are within expected ranges, it is probably a processing error and does not require further evaluation. Bilirubin is a pigment removed from the blood by the liver. Low values are of no concern. If slightly elevated above the expected ranges, but with all other ...
Diabetesis a disease that occurs when blood sugar levels are too high. Excessive glucose molecules in the bloodstream can bind to hemoglobin and form what's called glycated hemoglobin, or HbA1c. Ahemoglobin A1c testmeasures the percentage of HbA1c present relative to the total amount of hemoglobi...
But who actually needs to lose weight, and what exactly does it mean to be at a healthy weight? It’s not as simple as just stepping on the scale and seeing a magic number. Measurements of a Healthy Weight Discussions of a healthy weight often reference theBMI or Body Mass Indexas a ...
How does one format the results for the range of p in the chi-squared test in biology? In which direction does one put the "less than" or "more than" sign? If a sample has a mean of 100 and a standard deviation of 6, what is the value in that set that corresponds to a z-sc...
Does meat like beef, chicken, and turkey have lectins? Yep… Credit: Division of Molecular Biosciences, Imperial College London (5) Not only do meats (vertebrate animals) have the same broad types/categories as plants, but they also haveothersin addition, as seen above. ...
Hormone testing does not typically require fasting. However, if cholesterol or glucose are being tested at the same time, you may need to stop eating for at least eight hours before the test.13 The initial blood draw should only take a few minutes. The amount of time it takes to get PCO...
High AST or ALT levels can indicate a problem with your liver. However, it does not usually mean you have a medical condition that needs treatment. There is also a wide gap between the upper limit of normal and dangerously high results. Mild elevations are generally considered to be two to...
A previously healthy woman is pregnant and a screening blood test reveals an elevated blood glucose. What does this mean? A. The result may be disregarded because many pregnant women may have a higher than normal blood glucose. B. This may be a false-posi ...
or HbA1c. Ahemoglobin A1c testmeasures the percentage of HbA1c present relative to the total amount of hemoglobin. This provides a history of glucose levels in the bloodstream over a period of about