Arterial Blood Gases
Summary questions
Question 1
Arterial blood gas sampling is used:
instead of phlebotomy in young patients with strong pulses
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only in patients with pulmonary disease
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only in patients with renal disease
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to assess lung ventilation, tissue oxygenation, and acid base status
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Question 2
The radial artery is:
found in the deep tissues under the flexor carpi radialis tendon
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in the superficial subcutaneous tissues on the radial side of the wrist
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medial and deep to the flexor carpi radialis
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in the midline of the wrist
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Question 3
The most common complication of arterial blood gas sampling is:
obstructing thrombus in the artery
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infection
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hematoma
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radial nerve injury
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Question 4
The syringe is filled during sampling by
drawing up on the plunger once in the artery
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allowing arterial pressure to fill the syringe to about 1 ml
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squeezing the forearm
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applying pressure to the artery
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Question 5
The most common reason for a difficult and painful arterial puncture is:
anatomic variability
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faulty equipment
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airlock in the syringe
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missing the artery on the initial puncture and then probing deeper
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