A client is being evaluated for chronic bronchitis. Which symptom is most indicative of this condition?

Correct Answer: C

Rationale: Correct Answer: C - Chronic productive cough Rationale: 1. Chronic bronchitis is characterized by long-standing inflammation of the bronchial tubes leading to excessive mucus production. 2. A chronic productive cough, which lasts for at least 3 months in 2 consecutive years, is a hallmark symptom of chronic bronchitis. 3. Frequent respiratory infections (A) may occur but are not specific to chronic bronchitis. 4. A barrel-shaped chest (B) is seen in advanced stages of COPD, not specific to chronic bronchitis. 5. Wheezing and dyspnea (D) are more commonly associated with asthma or COPD, not specific to chronic bronchitis.

Correct Answer: C

Rationale: The correct answer is C: Shortness of breath at rest. This symptom is concerning as it indicates severe respiratory distress, potentially leading to respiratory failure. Shortness of breath at rest is a red flag for worsening bronchitis or complications like pneumonia. A: Persistent productive cough is common in bronchitis and may indicate ongoing inflammation or infection. It is not as immediately concerning as shortness of breath at rest. B: Yellow-green sputum suggests a bacterial infection, but it is not as urgent as shortness of breath at rest. D: Low-grade fever is a common symptom of bronchitis and may not indicate a severe condition unless it persists or worsens.

Correct Answer: B

Rationale: Step 1: Guaifenesin is an expectorant that works by thinning mucus in the airways. Step 2: Thinning mucus helps to make it easier for the client to cough up and clear the mucus. Step 3: This promotes expectoration, which helps to relieve congestion and improve breathing. Step 4: Therefore, the primary purpose of guaifenesin is to thin mucus and promote expectoration in clients with bronchitis.

Correct Answer: B

Rationale: The correct answer is B because yellowing of the skin or eyes can indicate liver toxicity, a serious side effect of isoniazid. Reporting this symptom promptly can prevent further complications. Choice A is incorrect because vitamin C does not interfere with isoniazid therapy. Choice C is incorrect as stopping medication prematurely can lead to drug resistance. Choice D is incorrect as antacids can reduce the effectiveness of isoniazid.

Correct Answer: A

Rationale: Rationale: INR measures the effectiveness of anticoagulation therapy. INR of 1.2 is below the therapeutic range for pulmonary embolism treatment, indicating inadequate anticoagulation and risk of clot progression. Immediate intervention is necessary to adjust medication dosage. Platelet count, aPTT, and hemoglobin levels are within normal range and do not require immediate intervention.