In a patient experiencing a myocardial infarction, a medication that reduces afterload is beneficial because it:
A) reduces the workload of the heart, reducing myocardial oxygen consumption.
B) reduces the blood flow to unnecessary areas, redirecting blood to the heart.
C) improves the stroke volume of blood ejected from the heart by also reducing preload.
D) prolongs the Q-T interval, thereby allowing time for complete atrial contribution to the ventricles.
A
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Another name for the mechanism of action of a medication, which is the way in which specific medications achieve their desired effect, would be:
A) pharmacology. B) pharmacodynamics. C) pharmacokinetics. D) pharmacostatics.
Which of the following is NOT a consideration that should be used by the EMT in establishing the size of the danger zone?
A) Wind direction B) Presence of hazardous materials C) Fire D) Amount of equipment needed
A female jogger has collapsed on a trail at a public park. A crowd of curious onlookers have collected and are watching as the EMT examines the patient for any life-threatening conditions. After determining that there are none and the patient is stable, the EMT acts as a patient advocate by:
A) Informing the crowd that the patient appears to be okay B) Transporting the patient to the hospital using lights and sirens C) Continuing care despite the crowd's presence D) Asking curious onlookers to leave the scene
A/An ________ communication device is any device that helps a person communicate.
A) augmentative B) diminutive C) impaired D) None of the above