The physician prescribes propranolol for a patient with a blood pressure reading of 200/106. An electrocardiogram taken shortly afterward shows an AV block. The nurse should immediately report this finding for which reason?
1. Lowering the blood pressure will require a least two different drugs.
2. Beta blockers can intensify an AV block.
3. There could be some reflex tachycardia associated with this agent.
4. The drug may cause a cough, which might further disrupt the cardiac rhythm.
Correct Answer: 2
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A nurse asks a client to take deep breaths during an electroencephalography. The client asks, "Why are you asking me to do this?" How should the nurse respond?
a. "Hyperventilation causes vascular dilation of cerebral arteries, which decreases electoral activity in the brain." b. "Deep breathing helps you to relax and allows the electroencephalograph to obtain a better waveform." c. "Hyperventilation causes cerebral vasoconstriction and increases the likelihood of seizure activity." d. "Deep breathing will help you to blow off carbon dioxide and decreases intracranial pressures."
In which type of pneumothorax does air enter the pleural space with inspiration but is unable to exit with expiration?
a. closed c. spontaneous b. open d. tension
Cross-multiplying is used to determine if a(n) _________________ is true
A. ratio proportion B. equivalent fraction C. fraction proportion D. percent proportion
Which of the four developmental stages in the U.S. health care delivery system exhibited a shift away from infectious diseases?
1. First stage (1800 to 1900) 2. Second stage (1900 to 1945) 3. Third stage (1945 to 1984) 4. Fourth stage (1985 to present)