The procedure usually performed by a nurse or respiratory therapist is an arterial blood draw, which measures critical blood gases. Other tasks like venipuncture and heel sticks may also be performed by nurses but are not exclusive to them. Thus, the arterial blood draw is the correct choice for this question. ;
The correct answer is D. Arterial blood draw, which is typically performed by nurses and respiratory therapists to assess a patient's respiratory function. This procedure measures blood gases directly from an artery. Other options can be performed by various healthcare professionals, but arterial blood draws require specific training and expertise.
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