Which atrial dysrhythmia results from a reentry pathway that is similar to finding a shortcut to work or school, bypassing the normal traffic route to get to the destination faster?
A. Atrial fibrillation
B. Atrial flutter
C. Wandering atrial pacemaker
D. Multifocal atrial tachycardia
Answer: B
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An 80-year-old woman has suddenly became weak and short of breath while working around her house. Even though she sat down to rest, the symptoms have not gotten better. You should suspect:
A) pneumonia. B) asthma. C) angina pectoris. D) myocardial infarction.
A patient has a dry powder poison covering both upper extremities and chest. You should:
A) brush the powder off and irrigate the contaminated area with large amounts of water. B) flush the area with large amounts of water and then brush the remaining poison off. C) immediately wash the powder off to prevent further exposure. D) cover the patient's arms with a burn sheet to preserve the powder for the emergency room.
Which of the following prescription abbreviations means "every"?
p.c. aq et q
Excessive ________ to embryonic cells causes spontaneous abortion, retardation, genetic abnormalities, and increased risk of leukemia and other cancers.
A. pressure B. moisture C. noise D. radiation