What does the mitral valve do?
Answer(s): B
The mitral valve is located between the left atrium and ventricle and prevents blood from flowing back into the left atrium.
A 45-year-old male patient is experiencing chest discomfort. After placing him in his position of comfort, your next action should be to:
Answer(s): C
There is no information to indicate that the patient requires ventilatory support. Any patient experiencing chest discomfort should receive the highest possible concentration of oxygen.
Your patient is a 62-year-old man with a history of heart disease. He is experiencing chest pain. Your first action should be to:
Answer(s): D
Your first action would be to administer oxygen and place the patient in a comfortable position; next, if not contraindicated, you would request permission to administer nitroglycerin. You should first obtain a set of vital signs to ensure he is not in cardiogenic shock. Never put defibrillator pads onto a conscious patient with a pulse; this procedure is contraindicated. AED pads are not serving the same function as the electrodes used by ALS providers to monitor the heart rhythm.
Which heart rhythm often converts to ventricular fibrillation?
Ventricular tachycardia often converts to ventricular fibrillation, a life-threatening heart rhythm that the AED is designed to correct.
Patients commonly describe heart attack pain as which of the following characteristic?
Myocardial pain is often difficult to determine because it can take on many different characters; however, patients most commonly (over 40% of the time) describe the pain of a myocardial infarction as a crushing, squeezing pressure that radiates outward to the arms and upper back.
Which patient is showing signs and symptoms of cardiac compromise?
This woman shows classic signs of cardiac compromise: dull chest pain, sudden onset of sweating, and difficulty breathing.
Which chamber of the heart pumps oxygen-rich blood out to the body tissues?
Oxygen-rich blood reaches the left atrium from the lungs via the pulmonary veins; then, the left ventricle pumps it out to the rest of the body.
A 64-year-old female has just collapsed in cardiac arrest. You are alone. After your initial assessment, you should give two ventilations, then:
While there is limited information that people in extended periods of cardiac arrest may benefit from CPR before defibrillation, overwhelming information indicates that defibrillating very early in a “fresh” arrest situation will provide the best opportunity for correcting the most common cause of cardiac arrest – ventricular fibrillation.
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question 128 the answer should be static not auto
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q10: c and f are also true. q11: this is outdated. you no longer need ownership on a pipe to operate it
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question 35 has an answer for a different question. i believe the answer is "a" because it shut off the firewall. "0" in registry data means that its false (aka off).
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