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Questions and Answers
What is the purpose of a bleeding time test?
What is the purpose of a bleeding time test?
- To assess platelet function and the body's ability to form a clot (correct)
- To determine the patient's blood type
- To measure the level of glucose in the blood
- To measure the number of red blood cells
Bleeding time is independent of capillary function.
Bleeding time is independent of capillary function.
False (B)
Name one material required for the Dukes method of bleeding time measurement.
Name one material required for the Dukes method of bleeding time measurement.
Sterile, disposable blood lancet
According to the procedure, after the first touch, the pricking part should touch the filter paper every __ seconds.
According to the procedure, after the first touch, the pricking part should touch the filter paper every __ seconds.
What is the normal bleeding time value in minutes?
What is the normal bleeding time value in minutes?
Squeezing the finger during the bleeding time procedure is recommended for accurate results.
Squeezing the finger during the bleeding time procedure is recommended for accurate results.
Which of the following can prolong bleeding time?
Which of the following can prolong bleeding time?
What type of water or fluid is needed during the bleeding time test?
What type of water or fluid is needed during the bleeding time test?
Not completely drying the ________ before making the puncture can lead to errors in bleeding time.
Not completely drying the ________ before making the puncture can lead to errors in bleeding time.
The number of blood platelets present do not affect bleeding time.
The number of blood platelets present do not affect bleeding time.
What is the first step in the bleeding time procedure?
What is the first step in the bleeding time procedure?
Name another material required for the Dukes method of bleeding time measurement, aside from a lancet.
Name another material required for the Dukes method of bleeding time measurement, aside from a lancet.
Bleeding time assesses platelet ________ and the body's ability to form a clot.
Bleeding time assesses platelet ________ and the body's ability to form a clot.
The stopwatch should be set to 1 before pricking the finger.
The stopwatch should be set to 1 before pricking the finger.
When should you start timing on the stopwatch during the bleeding time procedure?
When should you start timing on the stopwatch during the bleeding time procedure?
What is the term for a small blood vessel that contributes to bleeding time?
What is the term for a small blood vessel that contributes to bleeding time?
It is acceptable to use any type of paper for the filter paper component of the bleeding time test.
It is acceptable to use any type of paper for the filter paper component of the bleeding time test.
What type of puncture would be considered improper?
What type of puncture would be considered improper?
Match the following materials with their purpose in the bleeding time test:
Match the following materials with their purpose in the bleeding time test:
The inability to form a _________ affects bleeding time.
The inability to form a _________ affects bleeding time.
Flashcards
Bleeding Time
Bleeding Time
A lab test assessing platelet function and the body's clotting ability.
Capillary Function
Capillary Function
The function of blood vessels that aids the clotting process.
Blood Platelet Count
Blood Platelet Count
Number of platelets present in the blood.
Platelet Plug Formation
Platelet Plug Formation
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Dukes Method Materials
Dukes Method Materials
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Dukes Method
Dukes Method
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Dukes Method Procedure
Dukes Method Procedure
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Bleeding Time Measurement
Bleeding Time Measurement
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Normal Bleeding Time
Normal Bleeding Time
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Sources of Error in Bleeding Time
Sources of Error in Bleeding Time
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Aspirin
Aspirin
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Dry puncture site
Dry puncture site
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Study Notes
- Bleeding time is a lab test that assesses platelet function and the body's ability to form clots.
- Bleeding time relies on capillary function.
- Bleeding time relies on the number of blood platelets present.
- Bleeding time relies on the ability to form a platelet plug.
Dukes Method: Materials
- Sterile, disposable blood lancet
- Stopwatch/timer
- Circular filter paper
- Spirit and cotton swabs
- Gloves
Dukes Method: Prodedure
- Take 1 filter paper, fold it, and write the number of seconds.
- Set the stopwatch to zero and prick the finger.
- Immediately touch the pricking point to 0 seconds on the filter paper and start the stopwatch.
- After the first touch, touch the pricking part to the filter paper every 30 seconds without squeezing the finger.
- Check the seconds mark on the filter paper when the blood stops.
- Normal bleeding time is 1-3 minutes.
Sources of Error
- Aspirin intake 7 to 10 days before the procedure can cause prolonged bleeding time.
- An improperly performed puncture (too shallow, too deep, or in an inappropriate location) can affect results.
- Residual alcohol before making the puncture can prolong bleeding time.
- Ensure that alcohol is completely dried before making the puncture, as residual alcohol can prolong bleeding time.
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