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30 Cards in this Set

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The EMT should use an AED on a child older than 1 year if:
pediatric pads and an energy-reducing device are available.
The right coronary artery supplies blood to the:
right ventricle and inferior wall of the left ventricle.
A patient with atherosclerotic heart disease experiences chest pain during exertion because the:
lumen of the coronary artery is narrowed and cannot accommodate increased blood flow.
Which of the following medications is commonly given to patients with chest pain to prevent blood clots from forming or getting bigger?
aspirin
Which of the following veins is located inferior to the trunk?
saphenous
Which of the following is NOT a function of the sympathetic nervous system?
constriction of blood vessels in the muscles
Your EMS team is performing CPR on a 60-year-old male in cardiac arrest. You connect the AED, push the analyze button, and receive a “no shock advised” message. You should:
perform CPR for 2 minutes and reassess.
Sudden death following AMI is MOST often caused by:
ventricular fibrillation.
The electrical stimulus that originates in the heart's primary pacemaker is controlled by impulses from the brain that arrive by way of the:
autonomic nervous system.
You and your partner arrive at the scene of a middle-aged man who collapsed about 5 minutes ago. He is unresponsive, apneic, and pulseless. Bystanders are present, but have not provided any care. You should:
perform five cycles of high-quality CPR and then apply the AED
The inferior vena cava returns deoxygenated blood to the right side of the heart from all of the following areas, EXCEPT the:
brain.
Which of the following signs is commonly observed in patients with right-sided heart failure?
dependent edema
When an electrical impulse reaches the AV node, it is slowed for a brief period of time so that:
blood can pass from the atria to the ventricles.
The ability of cardiac muscle cells to contract spontaneously without a stimulus from a nerve source is called:
automaticity.
Prior to defibrillating a patient with an AED, it is MOST important that you:
ensure that no one is touching the patient.
Which of the following statements regarding the AED and defibrillation is correct?
The AED will not analyze the rhythm of a moving patient
A 40-year-old man is in cardiac arrest. Your partner is performing CPR. You are attaching the AED when the patient's wife tells you that he has an automatic implanted cardiac defibrillator (AICD). The AED advises that a shock is indicated. What should you do?
Deliver the shock followed by immediate resumption of CPR.
Defibrillator pads are placed on the patient's chest with one pad to the:
right of the upper sternum and the other pad just to the left and below the left nipple.
Rapid, labored breathing in a patient with signs and symptoms of AMI should make you suspicious for:
congestive heart failure.
Which of the following is of LEAST pertinence when obtaining medical history information from a patient complaining of chest discomfort?
family history of hypertension
You are dispatched to a convenience store for a patient who passed out. Upon arriving at the scene, you find two bystanders performing CPR on the patient, a 58-year-old male. Your initial action should be to:
have the bystanders stop CPR and assess the patient
The myocardium receives oxygenated blood from the __________, which originate(s) from the __________
coronary arteries, aorta
When would it be MOST appropriate for a patient to take his or her prescribed nitroglycerin?
chest pain that does not immediately subside with rest
A dissecting aortic aneurysm occurs when:
the inner layers of the aorta become separated.
Which of the following cardiac arrhythmias has the greatest chance of deteriorating into a pulseless rhythm?
ventricular tachycardia
A 66-year-old female with a history of hypertension and diabetes presents with substernal chest pressure of 2 hours' duration. Her blood pressure is 140/90 mm Hg, her pulse is 100 beats/min and irregular, and her respirations are 22 breaths/min with adequate depth. The patient does not have prescribed nitroglycerin, but her husband does. You should:
?????????
Angina pectoris occurs when
myocardial oxygen demand exceeds the supply.
Ventricular tachycardia causes hypotension because:
the left ventricle does not adequately fill with blood.
When the myocardium requires more oxygen:
the arteries supplying the heart dilate
Nitroglycerin relieves cardiac-related chest pain by:
dilating the coronary arteries and improving cardiac blood flow.