Use LEFT and RIGHT arrow keys to navigate between flashcards;
Use UP and DOWN arrow keys to flip the card;
H to show hint;
A reads text to speech;
34 Cards in this Set
- Front
- Back
Glycolysis occurring in a tube of unseparated blood will cause: |
A decrease in serum glucose concentration |
|
What does NPO mean? |
Nothing by mouth |
|
The glucose tolerance test |
Is performed to aid in the diagnosis of diabetes mellitus |
|
You receive an order to draw a STAT CBC. Your responsibility is to: |
Draw blood in a lavender tube and send it to the lab promptly |
|
What is the major drawback of a 24 hour urine collection? |
Patient cooperation is essential and is often hard to get |
|
A test performed after a meal is called: |
Postprandial |
|
The process for preparing the puncture site for this procedure is similar to that for an arterial puncture. What is the procedure? |
Blood culture collection |
|
Which test is NOT usually done to detect clotting problems: |
Glucose |
|
The gray top tube is usually drawn for which test? |
Glucose |
|
Which of the following statements concerning bleeding time test is true? |
you should only touch the drop of blood with the filter paper. A stopwatch should be started at the same time that the puncture is made. It is used to assess platelet function. (All of the above) |
|
The glucose tolerance test includes: |
Administration of glucose, multiple timed blood draws. (Both A and B) |
|
What is the purpose of the bleeding time test? |
To assess platelet function |
|
Hypoglycemia is a condition of? |
Low blood sugar |
|
What is the best specimen for urine collection? |
A clean catch midstream urine sample. |
|
The patients fasting glucose can be elevated if? |
The patient eat before having blood drawn |
|
Disturbing the platelet plug on a patient while performing a bleeding time will cause the results to be? |
Falsely elevated |
|
A properly collected 24 hour urine specimen: |
May contain a chemical preservative |
|
The most common cause of blood culture contamination is: |
Improper skin preparation |
|
In which test should alcohol never be used to cleanse the venipuncture site? |
Alcohol |
|
Glucose tolerance test and the therapeutic drug monitoring test have which of the following collection requirements in common? |
Timed specimen |
|
When drawing blood to monitor the therapy of a specific antibiotic, the peak level is drawn one hour after administering the antibiotic. The term used to refer to the antibiotic level drawn right before the antibiotic is given is called the: |
Trough level |
|
The results of a test can change because of: |
Exercise, stress, posture (All of the above) |
|
Citrate tubes must be within ____ percent of full to give accurate results. |
10 |
|
Circadian changes are best described as: |
Cyclical changes throughout the day |
|
Protecting the specimen from light is best done by? |
Placing the specimen in an amber colored tube, wrapping aluminum foil around the specimen. (Both A and C) |
|
Specimens may be rejected for testing if: |
The specimen was drawn above a running IV, the specimen was not labeled with the patient's complete name, an anticoagulated specimen had a clot. (All of the above) |
|
Which occurrence is NOT a cause of specimen rejection? |
Clot in a red |
|
The most critical step in Phlebotomy is: |
Patient identification! |
|
Which statement best summarizes the quality of blood specimens? |
Specimens of low-quality can produce an inaccurate and potentially dangerous results. |
|
If the Tourniquet is applied for longer than one minute, which of the following analytes will be elevated and will continue to increase the longer the tourniquet is applied? |
Potassium |
|
Pre-analytical errors are variables that occur to a specimen before the specimen is tested. The type of error caused by a patient would be: |
The patient eating a candy bar when the test is supposed to be fasting |
|
Pre-analytical errors are variables that occur to a specimen before the specimen is tested. The type of error caused by the phlebotomist would be: |
The phlebotomist putting the incorrect name on the tube of blood. |
|
Pre-analytical errors are variables that occur to a specimen before the specimen is tested. A transportation error would be: |
The tube breaking in transport |
|
Which one is not a pre-analytical error? |
The technologist running the wrong test on a sample |