Because of an Extremely Low PO₂, You Suspect That an Arterial

question 21

Multiple Choice

Because of an extremely low PO₂, you suspect that an arterial blood sample taken from a patient's brachial artery might have been contaminated with venous blood. Which of the following might help to confirm your suspicion?

• A)Call the lab to get the latest chemistry report.
• B)Inspect the sample for color and consistency.
• C)Cross-check the sample with an SpO₂ reading.
• D)Measure the sample's actual hemoglobin saturation.

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Definitions:

Role Construct Repertory

A psychological tool used to help individuals identify how they construe significant persons in their lives, revealing their personal construct systems.

Validity

The degree to which an idea, conclusion, or measurement is grounded in reality and probably reflects the actual state of affairs accurately.

Repertory Grid

A technique used in personal construct psychology to explore the ways in which individuals construe their experiences and people in their lives.

Constructs

Abstract concepts developed or constructed to understand or interpret the world.