24 Questions
What is the primary reason for performing arterial puncture?
To obtain blood for arterial blood gas tests
What makes arterial blood a good specimen for evaluating respiratory function?
It has high oxygen content and consistency of composition
What is a disadvantage of arterial puncture compared to venipuncture?
It is potentially more painful and hazardous
What is a common use of arterial blood gas tests?
Diagnosing and managing respiratory disorders
Why are arterial blood gas tests sensitive to pre-analytical errors?
Because they are sensitive to the effects of pre-analytical errors
What can arterial blood gas tests provide information about?
Oxygenation, ventilation, and acid-base balance
What is the primary concern when selecting an arterial puncture site?
Presence of collateral circulation
Which of the following is a disadvantage of the radial artery?
Requires considerable skill to puncture
What is the primary reason for performing arterial puncture at the femoral artery?
It is primarily used in emergency situations or when no other site is available
What information is required on the test requisition for ABG specimen collection?
Current body temperature and respiratory rate
What is the purpose of using a sharp, short-bevel hypodermic needle for arterial puncture?
To facilitate easier arteriotomy
Which of the following personnel is NOT typically trained to perform arterial puncture?
Level I phlebotomist
What is the first step in the arterial puncture procedure?
Sanitize hands and don gloves
At what angle should the needle be inserted during arterial puncture?
30- to 45-degree angle
What is a potential hazard of arterial puncture?
All of the above
What should be done immediately after collecting the blood specimen?
Expel air bubbles, cap the syringe, and mix the specimen
What is a potential sampling error in arterial puncture?
All of the above
What should be done with the used and contaminated materials after the procedure?
Dispose of them properly
What is the purpose of the Modified Allen test?
To evaluate the patency of the radial and ulnar arteries
What should be done after administering the local anesthetic?
Wait 1 to 2 minutes before proceeding with the arterial puncture
What is the purpose of sanitizing hands and donning gloves?
To maintain infection control and prevent cross-contamination
What is the purpose of the radial ABG procedure?
To collect an arterial blood gas sample
What is the significance of the 'steady state' in the radial ABG procedure?
It refers to the stabilization of the patient's vital signs
What is the purpose of recording the results of the Modified Allen test?
To document the procedure on the requisition form
Learn about the proper way to collect arterial blood samples, identify different sites for arterial puncture, and understand the tests that use arterial blood. Also, discover the possible complications of arterial puncture.
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