Answer to Question 1
Correct Answer: 1, 2, 4, 5
PND is a condition in which the patient is awakened at night by acute shortness of breath. It occurs when edema fluid that has accumulated during the day is reabsorbed into the circulation at night, causing pulmonary congestion. Nocturia, or voiding more than once a night, is associated with PND. Daytime peripheral edema contributes to the development of PND. PND is often a symptom of chronic heart failure, which is characterized by decreasing cardiac reserve and dependent edema that worsens as the day progresses.
Answer to Question 2
Correct Answer: 4
Endocarditis can be prevented in patients at risk by administering antibiotics prior to procedures. Endocarditis carries serious risks of damage to heart valves. Fever may be present in endocarditis. Open heart surgery is not an appropriate treatment for this condition.