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Arterial Puncture and Blood Gas Sampling

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Arterial Puncture and Blood Gas Sampling

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Questions and Answers

Why is arterial puncture not commonly used for routine blood tests?

It is not suitable for patients with diabetes

It is not suitable for evaluating respiratory function

It is technically difficult and potentially more hazardous (correct)

It is less painful than venipuncture

What is the primary reason for performing an arterial puncture?

To obtain blood for routine blood tests

To obtain blood for arterial blood gas (ABG) tests (correct)

To diagnose electrolyte and acid-base balance disorders

To obtain blood for venipuncture

What type of blood is best suited for evaluating respiratory function?

Mixed blood

Arterial blood (correct)

Venous blood

Capillary blood

What is a common use of arterial blood gas (ABG) tests?

Diagnosing and managing respiratory disorders Signup and view all the answers

What is a characteristic of arterial blood gas (ABG) specimens?

They are sensitive to pre-analytical errors Signup and view all the answers

Which of the following professionals is NOT typically involved in arterial puncture?

Dermatologist Signup and view all the answers

What is the primary advantage of using the radial artery for puncture?

It has good collateral circulation and is easily accessible. Signup and view all the answers

What is a disadvantage of using the femoral artery for puncture?

It has poor collateral circulation. Signup and view all the answers

Which of the following is NOT a site-selection criterion for arterial puncture?

Patient's age and medical history Signup and view all the answers

What information is needed on the ABG specimen collection test requisition?

Current body temperature, respiratory rate, and ventilation status Signup and view all the answers

What is the purpose of the modified Allen test?

To evaluate patient's collateral circulation Signup and view all the answers

What is the purpose of using a Luer-tip normal or bubble removal cap?

To remove air bubbles from the syringe Signup and view all the answers

Which of the following is a disadvantage of using the brachial artery for puncture?

All of the above Signup and view all the answers

What is the primary advantage of using the brachial artery for puncture?

It is larger and relatively easy to palpate and puncture. Signup and view all the answers

What is the purpose of using personal protective equipment during arterial puncture?

To protect the healthcare worker from bodily fluids Signup and view all the answers