What does the overall ventilation perfusion ratio equal in a healthy adult?

a. 0.8 c. 0.4
b. 0.25 d. 0.6


a. 0.8

Health Professions

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Using the pediatric triage system, how long should an Emergency Medical Responder provide mouth-to-mask ventilations if the child has a pulse but is not breathing?

A) 10 seconds B) 15 seconds C) 60 seconds D) 5 seconds

Health Professions

An example of information found in a patient registration system is the:

A) admitting diagnosis. B) organ donor form. C) insurance information. D) medical record number. E) All of the above

Health Professions

Which of the following is the MOST appropriate response when a patient with chest pain asks you if he or she is having a heart attack?

A) Yes, so I recommend going to the hospital. B) I don't know, but we will take good care of you. C) Probably not, but we should transport you to be safe. D) I believe you are, but only a physician can tell for sure.

Health Professions

Hypertensive emergencies in the geriatric population:

A) require a controlled decline in blood pressure that often cannot be achieved in the prehospital setting. B) can cause a ruptured cerebral or aortic aneurysm and should be treated in the field with antihypertensives. C) are relatively uncommon owing to increased elasticity of the blood vessels, which facilitates vasodilation. D) are typically treated in the prehospital setting with beta blocker medications or a slow nitroglycerin infusion.

Health Professions