Exam with Accurate Answers-latest
Where are the first electrical impulses stimulating the heart located? - ✔✔Right atrium
What is the best position to optimally hear heart sounds? - ✔✔Sitting up leaning forward
In what leads does ST elevation suggest an anterior wall MI? - ✔✔V3, V4
What does S-T segment elevation greater than 0.1 mV in at least two contiguous leads indicate?
- ✔✔A myocardial infarction
What can rough handling of a patient with severe hypothermia cause? - ✔✔Ventricular
fibrillation
Your ALS unit responds to a 55 year-old male complaining of chest pain and shortness of
breath. Upon assessment, you find the patient has a rapid and regular narrow complex rhythm
at a rate of 188 beats per minute. What is the correct treatment for this patient. -
✔✔Synchronized Cardioversion at 50-100 Joules
A 62 year old female complains of chest pain and shortness of breath. She is extremely anxious.
Lung sounds are present with crackles in the bases. Vital signs are BP 80/56, P 128, R 24, SpO2
87%. What should you do? - ✔✔Administer Aspirin
A 62 year old female complains of chest pain and shortness of breath. She is extremely anxious.
Vital signs are BP 80/56, P 118, R 24 with crackles, SpO2 87%. What is the most likely cause? -
✔✔Cardiogenic shock
What is the most effective way to terminate ventricular fibrillation? - ✔✔Defibrillation
, A patient has been struck by lightning. You should be most concerned that the electrical current
caused him to do which of the following? - ✔✔Become apneic
A patient was ejected from an automobile and is apneic and pulseless. ECG reveals a regular
rhythm with an R-R interval of 1.24 seconds and a QRS width of 110 milliseconds. You should
consider - ✔✔epinephrine 1 mg IV.
What pacemaker in the heart has an intrinsic rate of 60-100 beats per minute? - ✔✔SA Node
What should treatment for cardiogenic shock with associated pulmonary edema include? -
✔✔Elevating the patient's head and shoulders.
A 50 year old male complains of light headedness and chest discomfort. Vital signs are BP
100/86, P 40, R 16. An ECG reveals a second degree type I AV block. What should you do? -
✔✔Administer atropine
A lethargic 78 year old female has chest pain. She is dyspneic and nauseated. An ECG shows
widened polymorphic complex and a ventricular rate of 130. What should you do? -
✔✔Synchronized cardioversion
A 78 year old male complains of 10/10 chest pain with palpitations. He is short of breath. His
skin is pale, cool and clammy. An ECG shows an narrow complex at a rate of 200. What should
you do? - ✔✔Administer adenosine
What neurotransmitter is responsible for stimulation of the postganglionic fibers in the
parasympathetic nervous system? - ✔✔Acetylcholine
A 67 year old female with a suspected stroke, has difficulty swallowing and is unable to speak.
Which cranial nerve is affected? - ✔✔Hypoglossal