Venipuncture Troubleshooting in Phlebotomy

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What is the primary characteristic of obesity?

Difficulty locating veins

Enlarged blood vessels

Difficulty breathing

Excessive body weight (correct)

What is the purpose of using a longer tourniquet when dealing with obese patients?

To apply more pressure to the arm

To make the veins more visible

To reach the deeper veins (correct)

To restrict blood flow more effectively

What is the primary purpose of using vascular access devices (VADs)?

For hemodialysis treatment

For continuous blood pressure monitoring

For blood sampling, infusing medication, central venous pressure readings, and blood transfusion (correct)

For obtaining arterial blood gas samples

What is the purpose of an arterial line?

Both a and b Signup and view all the answers

What is an arteriovenous shunt or fistula?

A passageway created through surgery to connect an artery and vein directly Signup and view all the answers

What is the primary purpose of a blood-sampling device?

All of the above Signup and view all the answers

Which of the following is NOT allowed when a patient has an arterial line?

Tourniquet use Signup and view all the answers

What is the primary reason for creating an arteriovenous shunt or fistula?

For hemodialysis treatment Signup and view all the answers

What is the purpose of an intravenous (IV) line?

To inject fluids into the bloodstream Signup and view all the answers

Why should a phlebotomist avoid collecting blood from the arm with an IV line?

The blood may be contaminated with IV fluid Signup and view all the answers

If blood collection is necessary from an arm with an IV line, where should the collection site be?

Below the IV site Signup and view all the answers

How long should a phlebotomist avoid collecting blood from a previously known IV site?

24 to 48 hours Signup and view all the answers

What are central vascular access devices (CVADs) also known as?

Indwelling lines Signup and view all the answers

How many types of CVADs are there?

3 Signup and view all the answers

What is a central venous catheter also known as?

Central line Signup and view all the answers

Which of the following is NOT a type of CVAD?

Arterial line Signup and view all the answers

Why should expired collection tubes not be used?

The manufacturer cannot guarantee the quality and integrity of the tube after expiration Signup and view all the answers

Which of the following is NOT listed as a potential cause of failed venipuncture?

Using an expired collection tube Signup and view all the answers

What is the critical factor for the success of venipuncture?

The position of the needle Signup and view all the answers

Which of the following is NOT listed as an undesirable needle position during venipuncture?

Needle inserted at an angle Signup and view all the answers

What is the primary cause of collapsed veins during venipuncture?

Less than ideal conditions leading to blocked veins Signup and view all the answers

Which of the following can contribute to collapsed veins during venipuncture?

Strong vacuum pressure in the collection tube Signup and view all the answers

What should the phlebotomist NOT do to ensure proper venipuncture procedure?

Ignore the positioning of the needle bevel Signup and view all the answers

Which of the following actions should be avoided during venipuncture?

Removing the tourniquet during the blood draw Signup and view all the answers

Why should phlebotomists avoid selecting a site with burns, scars, or tattoos?

The veins in these areas may be difficult to examine and blood circulation may be impaired. Signup and view all the answers

What is the potential issue with selecting a site with damaged veins?

The vein may be difficult to puncture and could produce inaccurate results. Signup and view all the answers

Why should a site with edema be avoided for venipuncture?

The swollen tissues may make it harder to locate and access veins. Signup and view all the answers

What is the potential issue with selecting a site with a hematoma?

The procedure may be more painful for the patient, and the blood sample could become contaminated. Signup and view all the answers

What is the primary reason for avoiding sites with burns or tattoos during venipuncture?

The veins in these areas may be difficult to locate and access. Signup and view all the answers

What condition can cause tissues to become fragile, making it harder to locate veins?

Edema Signup and view all the answers

Which of the following conditions can potentially lead to the contamination of a blood sample during venipuncture?

Hematoma Signup and view all the answers

What is the potential issue with selecting a site with damaged veins that are sclerosed or thrombosed?

The veins may be difficult to puncture and could produce inaccurate results. Signup and view all the answers

What condition can potentially cause pain during venipuncture and obstruct blood flow?

Hematoma Signup and view all the answers

What should the first-aid personnel do immediately when a patient experiences seizures or convulsions during a blood draw?

Discontinue the blood draw quickly and hold pressure over the site Signup and view all the answers

What is the primary cause of hematoma formation during a blood draw?

All of the above Signup and view all the answers

What is the potential threat to the patient if 10% of their blood volume is removed at once during a blood draw?

The patient could face a threat Signup and view all the answers

What is the primary indication of an inadvertent arterial puncture during a blood draw?

The blood fills up the tube rapidly Signup and view all the answers

What is the primary purpose of holding pressure over the site immediately after discontinuing a blood draw?

To prevent hematoma formation Signup and view all the answers

What is the primary reason for ensuring that only the required specimen volume is collected during a blood draw?

To prevent iatrogenic anemia Signup and view all the answers

What is the primary purpose of using a cold compress or ice pack after a blood draw?

To address the swelling at the site Signup and view all the answers

What is the primary action the phlebotomist should take to ensure proper venipuncture procedure?

All of the above Signup and view all the answers

Venipuncture Troubleshooting in Phlebotomy

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Questions and Answers

What is the primary characteristic of obesity?

What is the purpose of using a longer tourniquet when dealing with obese patients?

What is the primary purpose of using vascular access devices (VADs)?

What is the purpose of an arterial line?

What is an arteriovenous shunt or fistula?

What is the primary purpose of a blood-sampling device?

Which of the following is NOT allowed when a patient has an arterial line?

What is the primary reason for creating an arteriovenous shunt or fistula?

What is the purpose of an intravenous (IV) line?

Why should a phlebotomist avoid collecting blood from the arm with an IV line?

If blood collection is necessary from an arm with an IV line, where should the collection site be?

How long should a phlebotomist avoid collecting blood from a previously known IV site?

What are central vascular access devices (CVADs) also known as?

How many types of CVADs are there?

What is a central venous catheter also known as?

Which of the following is NOT a type of CVAD?

Why should expired collection tubes not be used?

Which of the following is NOT listed as a potential cause of failed venipuncture?

What is the critical factor for the success of venipuncture?

Which of the following is NOT listed as an undesirable needle position during venipuncture?

What is the primary cause of collapsed veins during venipuncture?

Which of the following can contribute to collapsed veins during venipuncture?

What should the phlebotomist NOT do to ensure proper venipuncture procedure?

Which of the following actions should be avoided during venipuncture?

Why should phlebotomists avoid selecting a site with burns, scars, or tattoos?

What is the potential issue with selecting a site with damaged veins?

Why should a site with edema be avoided for venipuncture?

What is the potential issue with selecting a site with a hematoma?

What is the primary reason for avoiding sites with burns or tattoos during venipuncture?

What condition can cause tissues to become fragile, making it harder to locate veins?

Which of the following conditions can potentially lead to the contamination of a blood sample during venipuncture?

What is the potential issue with selecting a site with damaged veins that are sclerosed or thrombosed?

What condition can potentially cause pain during venipuncture and obstruct blood flow?

What should the first-aid personnel do immediately when a patient experiences seizures or convulsions during a blood draw?

What is the primary cause of hematoma formation during a blood draw?

What is the potential threat to the patient if 10% of their blood volume is removed at once during a blood draw?

What is the primary indication of an inadvertent arterial puncture during a blood draw?

What is the primary purpose of holding pressure over the site immediately after discontinuing a blood draw?

What is the primary reason for ensuring that only the required specimen volume is collected during a blood draw?

What is the primary purpose of using a cold compress or ice pack after a blood draw?

What is the primary action the phlebotomist should take to ensure proper venipuncture procedure?

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