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What type of container is used for lab materials soiled by a blood sample should be disinfected or disposed of in a puncture proof?
Biohazard
When performing a skin puncture squeezing the finger too tightly may ruin the test by diluting the blood with what?
Interstitial fluid (mostly salt water) that may also contaminate the sample if the area is badly swollen.
Does having food on your finger affect your blood glucose?
Yes it will affect the reading you get (not your actual blood glucose). If you have food (especially sugary food) on your finger where you take the drop of blood from, then the sugar from the food will mix with the blood and give a false reading. This is why it is important to wash the finger before testing blood glucose.
Sample of blood is spun in a test tube so that red blood cells fall to the bottom and percentage of Red blood cells is taken?
The test to determine the proportion of red blood cells in a blood sample is a hematocrit.
Can you tell a blood type by a urine sample?
no.
Where should the finger be punctured?
If testing for blood glucose, you should puncture the middle finger on the non-dominant hand. Do not puncture the pad, but rather just off to the side as there are fewer pain receptors there and you can still get an adequate sample.
How would someone test their blood type?
First pinch the finger with pricker and take a blood sample. Take the sample and get an acid. Put your blood and look at the sample reaction then look for any difference.
How is blood removed from a Human in hospital?
Usually by a needle. A small jab to a finger tip for a small sample, and a bigger to a blood vessel for a larger sample.
Do punctured veins leak fluid?
Yes, punctured veins leak blood.
In a blood group determination experiment after the finger is pricked the first drop of blood is usually wiped off Why?
Possible contamination of the sample by the instrument (lancet) used to obtain the droplet. The second drop of blood would be the better sample.
When should a phlebotomist label a blood sample?
after drawing blood and complete blood etraction
If a blood sample should be collected 2 hours postprandial when should the phlebotomist collect the sample?
2 hours after a meal.
What is a blood sample?
A blood sample is a sample given for medical purposes as a blood test.
Which finger is most commonly used for pricking?
Assuming you're talking about when a medical person takes a pin-prick sample of blood... They usually take it from the middle finger - from the side of the end joint.
How should patients be prepared for immunoelectrophoresis?
This test requires a blood sample.
Should early morning blood sample be given for diagnosis of malaria?
No, the blood sample for malaria should be given when the patient is febrile (has a fever). In malaria the fever cycles on and off. In the febrile period the parasite is visible as it lyses the blood cells and escapes the liver.
How do glucose meters operate?
Glucose meters process a blood sample usually taken by a small lancet pricking the skin of a finger. The blood is oxidated by glucose oxidaze and the resulting gluconulactone are counted.
