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The nurse is planning the care of a patient who has been diagnosed with hypertension, but who otherwise enjoys good health. When assessing the response to an antihypertensive drug regimen, what blood pressure would be the goal of treatment?
- A. 156/96 mm Hg or lower
- B. 140/90 mm Hg or lower
- C. Average of 2 BP readings of 150/80 mm Hg
- D. 120/80 mm Hg or lower
Correct Answer: B
Rationale: The goal of antihypertensive drug therapy is a BP of 140/90 mm Hg or lower. A pressure of 130/80 mm Hg is the goal for patients with diabetes or chronic kidney disease.
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An older adult is newly diagnosed with primary hypertension and has just been started on a beta-blocker. The nurses health education should include which of the following?
- A. Increasing fluids to avoid extracellular volume depletion from the diuretic effect of the beta-blocker
- B. Maintaining a diet high in dairy to increase protein necessary to prevent organ damage
- C. Use of strategies to prevent falls stemming from postural hypotension
- D. Limiting exercise to avoid injury that can be caused by increased intracranial pressure
Correct Answer: C
Rationale: Elderly people have impaired cardiovascular reflexes and are more sensitive to postural hypotension. The nurse teaches patients to change positions slowly when moving from lying or sitting positions to a standing position, and counsels elderly patients to use supportive devices as necessary to prevent falls that could result from dizziness. Lifestyle changes, such as regular physical activity/exercise, and a diet rich in fruits, vegetables, and low-fat dairy products, is strongly recommended. Increasing fluids in elderly patients may be contraindicated due to cardiovascular disease. Increased intracranial pressure is not a risk and activity should not normally be limited.
A patient in hypertensive urgency is admitted to the hospital. The nurse should be aware of what goal of treatment for a patient in hypertensive urgency?
- A. Normalizing BP within 2 hours
- B. Obtaining a BP of less than 110/70 mm Hg within 36 hours
- C. Obtaining a BP of less than 120/80 mm Hg within 36 hours
- D. Normalizing BP within 24 to 48 hours
Correct Answer: D
Rationale: In cases of hypertensive urgency, oral agents can be administered with the goal of normalizing BP within 24 to 48 hours. For patients with this health problem, a BP of 120/80 mm Hg may be unrealistic.
A community health nurse teaching a group of adults about preventing and treating hypertension. The nurse should encourage these participants to collaborate with their primary care providers and regularly monitor which of the following?
- A. Heart rate
- B. Sodium levels
- C. Potassium levels
- D. Blood lipid levels
Correct Answer: D
Rationale: Hypertension often accompanies other risk factors for atherosclerotic heart disease, such as dyslipidemia (abnormal blood fat levels), obesity, diabetes, metabolic syndrome, and a sedentary lifestyle. Individuals with hypertension need to monitor their sodium intake, but hypernatremia is not a risk factor for hypertension. In many patients, heart rate does not correlate closely with BP. Potassium levels do not normally relate to BP.
The staff educator is teaching ED nurses about hypertensive crisis. The nurse educator should explain that hypertensive urgency differs from hypertensive emergency in what way?
- A. The BP is always higher in a hypertensive emergency
- B. Vigilant hemodynamic monitoring is required during treatment of hypertensive emergencies
- C. Hypertensive urgency is treated with rest and benzodiazepines to lower BP
- D. Hypertensive emergencies are associated with evidence of target organ damage
Correct Answer: D
Rationale: Hypertensive emergencies are acute, life-threatening BP elevations that require prompt treatment in an intensive care setting because of the serious target organ damage that may occur. Blood pressures are extremely elevated in both urgency and emergencies, but there is no evidence of target organ damage in hypertensive urgency. Extremely close hemodynamic monitoring of the patients BP is required in both situations. The medications of choice in hypertensive emergencies are those with an immediate effect, such as IV vasodilators. Oral doses of fast-acting agents, such as beta-adrenergic blocking agents, angiotensin-converting enzyme inhibitors, or alpha-agonists, are recommended for the treatment of hypertensive urgencies.
The nurse is collaborating with the dietitian and a patient with hypertension to plan dietary modifications. These modifications should include which of the following?
- A. Reduced intake of protein and carbohydrates
- B. Increased intake of calcium and vitamin D
- C. Reduced intake of fat and sodium
- D. Increased intake of potassium, vitamin B12 and vitamin D
Correct Answer: C
Rationale: Lifestyle modifications usually include restricting sodium and fat intake, increasing intake of fruits and vegetables, and implementing regular physical activity. There is no need to increase calcium, potassium, and vitamin intake. Calorie restriction may be required for some patients, but a specific reduction in protein and carbohydrates is not normally indicated.