Which simulator model is most appropriate for learning to obtain an ar

QUESTION

Which simulator model is most appropriate for learning to obtain an arterial blood gas?

a. Standardized patient
b. Computer-controlled mannequin
c. Arm model from elbow to fingers
d. Computer model

ANSWER:

ANS: C
Asking a learner to obtain an arterial blood gas is an example of a psychomotor skill. This skill can be practiced on an arm model. The arm model is the most realistic model to be used without placing the patient in any dangerous situation, such as the use of the standardized patient.