Nokea
The nurse presents information to a group of nursing students about cultural and ethnic health disparities related to hypertension. Which information would the nurse include about the comparison of Mexican Americans to White and Black populations?
- A. Mexican Americans have higher rates of good blood pressure control.
- B. Mexican Americans are more likely to receive treatment for hypertension.
- C. Mexican Americans have the highest prevalence of hypertension in the world.
- D. Mexican Americans have lower levels of awareness of hypertension and its treatment.
Correct Answer: D
Rationale: Mexican Americans have lower levels of awareness of hypertension and its treatment compared to White and Black populations, contributing to health disparities.
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Which instruction would the nurse include in the teaching plan for a patient newly diagnosed with microcytic hypochromic anemia?
- A. Take enteric-coated iron with each meal.
- B. Take cobalamin with green, leafy vegetables.
- C. Take the iron with orange juice 1 hour before meals.
- D. Decrease the intake of the antiseizure medications to improve anemia.
Correct Answer: C
Rationale: Taking iron with orange juice 1 hour before meals enhances absorption due to vitamin C, optimal for treating microcytic hypochromic anemia.
Which arterial blood gas (ABG) data corresponds with a patient's clinical manifestations of respiratory alkalosis?
- A. pH = 7.46, PaCO2 = 44 mm Hg, PaO2 = 95 mm Hg, and HCO3 = 36 mEq/L.
- B. pH = 7.27, PaCO2 = 70 mm Hg, PaO2 = 80 mm Hg, and HCO3 = 26 mEq/L.
- C. pH = 7.30, PaCO2 = 35 mm Hg, PaO2 = 70 mm Hg, and HCO3 = 20 mEq/L.
- D. pH = 7.52, PaCO2 = 24 mm Hg, PaO2 = 85 mm Hg, and HCO3 = 24 mEq/L.
Correct Answer: D
Rationale: Respiratory alkalosis is indicated by a high pH (7.52) and low PaCO2 (24 mm Hg), as seen in option D, with normal HCO3 indicating no metabolic compensation.
A patient's arterial blood gas (ABG) results include a pH of 7.32, a PaCO2 of 56 mm Hg, and an HCO3 of 24 mEq/L. Which acid-base imbalance would the nurse use when developing the patient's plan of care?
- A. Metabolic acidosis.
- B. Metabolic alkalosis.
- C. Respiratory acidosis.
- D. Respiratory alkalosis.
Correct Answer: C
Rationale: Respiratory acidosis is characterized by low pH (7.32) and high PaCO2 (56 mm Hg), with normal HCO3 indicating no metabolic compensation.
The nurse notes that there is a difference in a patient's blood pressure (BP) and heart rate (HR) when the patient changes position from supine to standing. The differences are a decrease of 20 mm Hg in systolic BP, a decrease of 10 mm Hg in diastolic BP, and an increase in the HR of 20 beats/minute. Which interpretation would the nurse make about the patient's condition?
- A. Hypertensive crisis.
- B. An auscultatory gap.
- C. Resistant hypertension.
- D. Enlarged lymph nodes.
Correct Answer: B
Rationale: The described changes suggest an auscultatory gap, a phenomenon during BP measurement that can lead to inaccurate readings, requiring careful technique.
A patient reports episodic chest pain lasting a few minutes that is provoked by exertion and relieved within 10 minutes upon resting. Which cause of the patient's symptoms would the nurse suspect?
- A. Spasm of a major coronary artery.
- B. Exposure of the thrombogenic surface to plaque.
- C. Myocardial ischemia due to coronary artery disease.
- D. Myocardial ischemia secondary to microvascular disease.
Correct Answer: C
Rationale: Myocardial ischemia due to coronary artery disease causes chest pain provoked by exertion and relieved by rest, characteristic of stable angina.