Which vessel carries blood from the lungs and returns it to the heart?
A. Pulmonary vein
B. Pulmonary artery
C. Pulmonary valve
D. Inferior vena cava
Answer: A
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An unresponsive patient is breathing at a rate of 6 breaths per minute. What intervention would be most beneficial for the patient?
A) Positive pressure ventilation with O2 a rate of 30 and tidal volume of 200 mL B) Oxygen at 15 liters per minute delivered through a nonrebreather face mask C) Positive pressure ventilation with a rate of 12 and tidal volume of 500 mL D) Oral airway and positive pressure ventilation at 40 per minute, supplemental O2, and volume of 100
The EMT's obligation to provide care to a patient either as a formal or ethical responsibility is known as which of the following?
A) Scope of practice B) Standard of care C) Legal responsibility D) Duty to act
The standard for monitoring warfarin therapy is
a. international normalized ratio (INR). b. complete blood count. c. prothrombin time (PT). d. pulmonary function testing.
The largest cusp on the second premolar is the:
A. buccal B. mesiolingual C. distolingual D. occlusal