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Med Lab Ch. 4 Test
Terms in this set (34)
Which of the following would cause an employer to not be in compliance with the Federal Bill HR 5178, signed by President Bill Clinton on November 6, 2000?
Not including health care workers who are using the devices in the evaluation and selection process
When whole blood is centrifuged, the results are ____.
plasma, RBCs, and buffy coat
Which of the following is incorrect when performing a capillary puncture?
Collect the first drop of blood.
Which of the following are analytes that are affected when hemolyzed blood releases chemicals into the plasma and serum?
a. Potassium and magnesium
b. Iron and lactate dehydrogenase
c. Phosphorus, ammonia, and total protein
These are tiny purple or red skin spots that can be found in patients who have coagulation problems. This condition could lead to excessive bleeding during phlebotomy procedures: ____________________
Indicate which of the following statements is incorrect concerning excessive bleeding after a venipuncture procedure.
Normally a patient stops bleeding in 6 to 10 minutes.
Which of the following veins is most commonly used for venipuncture?
Median cubital vein
Which of the following may occur if the needle is inserted at less than a 15-degree angle?
No blood would be obtained because the needle entered above the vein.
Which of the following statements concerning performing a venipuncture on an arm adjacent to a mastectomy is incorrect?
Tourniquet will not injure the patient's arm.
Which of the following sites could be used when performing a venipuncture procedure?
Sites on the arm below an IV insertion area
This is a process whereby blood flows freely into a capillary tube in microcollection procedures: ____________________
Which is the correct statement regarding syncope?
Signs of fainting are that the patient becomes pale, sweats, and hyperventilates.
The area that is found in front of the elbow: ____________________
For some tests, the patient must be fasting. Which of the following is incorrect?
Ask the patient if he or she has fasted.
To faint: ____________________
A collection of blood caused by blood leaking from blood vessels that causes bruising in blood collection procedures: ____________________
A capillary puncture may be performed in all of the following cases except?
When a large amount of blood is needed
Which of the following is incorrect if the needle should hit a nerve in a venipuncture procedure?
An incident report does not need to be completed.
Which of the following is not a reason for failure to obtain blood?
The tube was free of defects
A blood specimen can be hemolyzed if ____.
the tube is vigorously shaken to mix the blood with the anticoagulant
Which of the following is a hematology tube used for a complete blood count (CBC)?
Which of the following is incorrect regarding the proper way to identify a patient?
When determining the patient's name, ask, "Are you Mrs. Smith?"
To remove air in order to produce a vacuum: ____________________
What color tube is used to collect blood for coagulation studies?
Which of the following is incorrect about the use of tourniquets?
A tourniquet should be very tight to stop arterial and venous blood flow.
Gently touching and pressing down on an area to feel texture, size, and consistency: ____________________
The name for all the fluid except blood that is found in the space between tissues and that is also referred to as tissue fluid: ____________________
Which of the following is not a reason for using a syringe method for venipuncture?
Using a syringe is more uncomfortable than using the Vacutainer method
Which of the following would be a goal to determine the effectiveness of new safety devices?
a. Decreasing injuries
b. Acceptance of the device by users
c. The ability of the device to not adversely affect patient care
A condition of inflammation of the bone that is caused by bacterial infection: ____________________
Which of the following would cause a specimen to be rejected by the lab?
The blood specimen was hemolyzed.
Which of the following should not cause a hematoma?
If the needle is in the middle of the lumen of the vein
Plasma is obtained by ____.
using a tube that contains an anticoagulant
According to the National Committee for Clinical Laboratory Standards, the depth of a heel stick of an infant should not exceed ____.
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