In a healthy heart, the electrical impulse that initiates contraction of the cardiac muscle originates in the:
a. right atrium.
b. left atrium.
c. ventricles.
d. interventricular septum.
Answer: a
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A young male patient is self-extricated after hitting a telephone pole and rolling his car several times at a high rate of speed. He is spitting blood and has a large area of tenderness and instability to the left side of his chest. On scene you did not observe any paradoxical motion of the chest wall. The patient remains alert and oriented with stable vital signs, but continually complains of
painful breathing. During transport, what is it essential that you do? A) Reassess for paradoxical motion of the chest wall B) Apply bulky dressings to the area of chest injury C) Start positive pressure ventilation with supplemental oxygen D) Place a nonporous dressing and ice packs to the injured area
You are assessing a patient complaining of shortness of breath. Which of the following questions will assist you in obtaining additional information about the patient's problem?
A) "Why did you wait two hours before calling 911?" B) "Have you ever had a myocardial infarction before?" C) "You are having difficulty breathing; are you also having chest pain?" D) "Did you get diaphoretic when you started having shortness of breath?"
A medication history and current ____________________ list should be obtained from every patient, if possible.
Fill in the blank(s) with the appropriate word(s).
Commercially prepared radiator fluid contains a significant amount of which of the following compounds?
A. Methanol B. Isopropanol C. Glycolic acid D. Ethylene glycol