Which of the following causes arrhythmia when elevated?
A. Exercise
B. Body temperature
C. Potassium ions
D. Calcium ions
E. Phosphate ions
C. Potassium ions
A high concentration of potassium ions in the blood causes an arrhythmia.
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You are the first to arrive on the scene of a collapse of a balcony at an apartment building. You are met by a man who walks up to you holding his right arm close to his body. The arm is nearly severed, and you can see exposed bone and muscle tissue. Bleeding seems to be minimal. What is your next course of action?
A) This is a life-threating injury, so treat it immediately and call for additional resources. B) This is an "open incident," so using START he is a "green" patient. Have him sit in a safe area, apply a basic dressing to control bleeding, and, if possible, find someone to monitor him. Perform the scene size-up and triage. C) This is a "closed incident." Perform a scene size-up and treat this patient. Any other incoming units can continue treating people as they are found. D) Take him to the ambulance.
Your patient states that she feels nauseated. She is describing a:
A) symptom. B) sign. C) suspicion. D) diagnosis.
Create a three-level organizational chart. Use any business or organization you wish to demonstrate this concept.
What will be an ideal response?
Department of Transportation (DOT) Class 1 chemicals are:
A) corrosive. B) explosive. C) combustible. D) radioactive.