Nokea
The nurse is caring for a client diagnosed with secondary hypertension. What would be a predisposing condition for this diagnosis?
- A. Use of diazepam
- B. Hypoaldosteronism
- C. Pancreatic disease
- D. Use of oral contraceptives
Correct Answer: D
Rationale: Predisposing conditions include kidney disease, pheochromocytoma (a tumor of the adrenal medulla), hyperaldosteronism (increased secretion of mineralocorticoid by the adrenal cortex), atherosclerosis, use of cocaine or other cardiac stimulants (e.g., weight-control drugs, caffeine), and use of oral contraceptives. Secondary hypertension is not caused by the use of sedatives, hypoaldosteronism, or pancreatic disease.
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The nurse is employed in a physician's office and is caring for a client present for an annual exam. A blood pressure of $124 / 84 \mathrm{~mm} \mathrm{Hg}$ is documented. Following revised guidelines for identifying hypertension, which educational pamphlet is helpful?
- A. Increasing fluids for low blood pressure
- B. Stress reduction to lower prehypertensive state
- C. Use of beta-blockers for treatment of hypertension
- D. Diagnostic testing for determining cardiac functioning
Correct Answer: B
Rationale: A blood pressure of $124 / 84 \mathrm{~mm} \mathrm{Hg}$ is now considered to be in the lower range of prehypertension. Knowledge of stress reduction may be helpful in lowering the blood pressure without medication therapy. A blood pressure of $124 / 84 \mathrm{~mm} \mathrm{Hg}$ is not considered a low blood pressure or in need of medication therapy due to hypertension. Diagnostic testing for cardiac functioning is not typical for a client with prehypertension.
The nurse is teaching a client about chronic untreated hypertension. What complication will the nurse explain to the client?
- A. peripheral edema
- B. right-sided heart failure
- C. stroke
- D. pulmonary insufficiency
Correct Answer: C
Rationale: A stroke occurs if vessels in the brain rupture and bleed. If an aneurysm has developed in the aorta from chronic hypertension, it may burst and cause hemorrhage and shock. Peripheral edema, right-sided heart failure, and pulmonary insufficiency are not usually consequences of untreated chronic hypertension.
What is blood pressure?
- A. The force produced by the volume of blood in arterial walls
- B. The force produced by the volume of blood in the venous system
- C. The measurement of cardiac output
- D. The peripheral resistance of the cardiac output
Correct Answer: A
Rationale: Blood pressure (BP) is the force produced by the volume of blood in arterial walls. It is represented by the formula: $\mathrm{BP}=\mathrm{CO}$ (cardiac output) PR (peripheral resistance). This makes the other options incorrect.
The nurse is obtaining a health history from a client with a blood pressure of $146 / 88 \mathrm{~mm} \mathrm{Hg}$. The client states that lifestyle changes have not been effective in lowering blood pressure. Which medication classification does the nurse anticipate first?
- A. ACE inhibitors
- B. Beta-blocker
- C. Thiazide diuretic
- D. Calcium channel blocker
Correct Answer: C
Rationale: Clients with hypertension, unable to be lowered by lifestyle changes, usually are placed on a thiazide diuretic initially. However, most people with hypertension will need two or more antihypertensive medications to reduce their blood pressure.
The nurse in an oncology clinic notes that the client being treated has hypertension. What tumor is a predisposing condition for secondary hypertension?
- A. Pheochromocytoma
- B. Wilms' tumor
- C. Astrocytoma
- D. Lymphoma
Correct Answer: A
Rationale: Predisposing conditions include kidney disease, pheochromocytoma (a tumor of the adrenal medulla), hyperaldosteronism (increased secretion of mineralocorticoid by the adrenal cortex), atherosclerosis, use of cocaine or other cardiac stimulants (e.g., weight-control drugs, caffeine), and use of oral contraceptives. Wilms' tumors, astrocytomas, and lymphomas are not predisposing conditions for secondary hypertension.