The sinoatrial (SA) node initiates the cardiac cycle and is sometimes called the heart's _____________

A. electrode C. generator
B. pacemaker D. alligator clamp


ANS: B

Health Professions

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Which of the following statements about warfarin (Coumadin) is NOT true?

A) It actively breaks down the fibrin network, thereby dissolving formed thrombi. B) It helps treat chronic atrial fibrillation. C) It prevents coagulation by antagonizing the effects of vitamin K. D) It was originally used as rat poison.

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What is the ?200-year-old system of medicine based on the Law of Similars: If a dose of a substance can cause a symptom, that same substance in minuscule amounts can cure the symptom called?

A) Western medicine B) Homeopathy C) Naturopathic medicine D) Osteopathic medicine

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Inpatients are admitted to hospitals in a process called

A. discharge. B. acceptance. C. admittance. D. registration.

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The process of lifelong learning that helps ensure that the paramedic keeps current with up-to-date information and trends is known as:

a. Continuing education b. Continuing remediation c. Participant education d. Reciprocal training

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