A patient who has 20/40 vision can see characters 20 millimeters high while standing 40 feet from the Snellen chart

A patient with a past medical history of angina is complaining of chest discomfort. When assessing the patient, which sign or symptom should alert the EMT that the patient is probably suffering an acute myocardial infarction and not an anginal attack?

A) Pain radiates into the left arm. B) The patient complains of mild shortness of breath. C) Chest discomfort is not relieved by nitroglycerin. D) Patient's skin is not diaphoretic.

When a worker has a systems perspective, which of the following is correct? Select all that apply

A) The worker understands how everyone's work is interconnected. B) The worker is aware of his or her role and how it fits into the overall process. C) The worker becomes capable of finding ways to "beat the system." D) All of the above. E) None of the above.