Which of the following medications is used to treat symptomatic sinus bradycardia?
a. Atropine
b. Digitalis
c. Propranol
d. Lidocaine
ANS: A
Numerous medications, such as atropine, are available to stimulate the heart rate when clinical bradycardia symptoms occur.
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Pain that occurs along the length of the thigh during active movement but does not during passive joint motion is most likely coming from
a. nerve. b. muscle. c. fascia. d. ligaments.
You have been dispatched for a 61-year-old female in cardiac arrest. Emergency Medical Responders (EMRs) are on scene. In your community all EMS practitioners are trained according to the National EMS Scope of Practice Model. Which one of the following do you expect the EMRs to be providing?
A) Emergency medication administration B) Automated external defibrillation C) Intravenous (IV) therapy D) Reading an electrocardiogram (ECG)
Which of the following statements are true regarding the use of controlled ventilation?
1. May allow the muscles of breathing to rest. 2. Can use larger 1:E ratio and may improve oxygenation. 3. Requires use of paralytic agents in spontaneously breathing patients. 4. Therapist has little control of needed inspiratory flow and pressure. a. 1 and 3 only b. 1, 2, and 3 only c. 3 and 4 only d. 2, 3, and 4 only
Which one of the following statements describes the interrelationship between the immune system and the integumentary system?
Acids in the digestive system destroy most pathogens. The skin is the immune system's first line of defense. Lymphocytes are produced in the red bone marrow Immune response can be suppressed by increased stress on the nervous system.