Community Health HESI Practice Exam

Correct Answer: A

Rationale: Bradycardia (abnormally slow heart rate) is a key sign of digoxin toxicity. In this scenario, the child's symptoms of irritability, vomiting, along with the resting pulse of 78 despite being on digoxin, suggest an impending bradycardia due to digoxin toxicity. Lethargy can also be a sign, but in this case, the child is irritable rather than lethargic. Vomiting, though a symptom, is not as specific to digoxin toxicity as bradycardia. Irritability, while present, is not the most indicative finding of digoxin toxicity compared to bradycardia.

Correct Answer: A

Rationale: In planning a community health fair, the highest priority should be given to blood pressure screening. This is because hypertension is a common and serious health issue that often goes undetected. Identifying individuals with high blood pressure early can lead to timely interventions and management, potentially preventing severe complications such as heart disease or stroke. While topics like diabetes education, smoking cessation, and nutrition are important, addressing blood pressure screening first aligns with the goal of early detection and prevention of a prevalent health concern.

Correct Answer: A

Rationale: Bradycardia (abnormally slow heart rate) is a key sign of digoxin toxicity. In this scenario, the child's symptoms of irritability, vomiting, along with the resting pulse of 78 despite being on digoxin, suggest an impending bradycardia due to digoxin toxicity. Lethargy can also be a sign, but in this case, the child is irritable rather than lethargic. Vomiting, though a symptom, is not as specific to digoxin toxicity as bradycardia. Irritability, while present, is not the most indicative finding of digoxin toxicity compared to bradycardia.

Correct Answer: D

Rationale: The correct answer is D: 12-24 hours. Withdrawal symptoms typically begin within 12-24 hours after the last drink. This period is when the client is at the highest risk for experiencing withdrawal symptoms. Choices A, B, and C are incorrect because they do not align with the typical timeline for alcohol withdrawal symptoms to manifest. Symptoms usually peak within the first 24 to 48 hours after the last drink, making the 12-24 hour window critical for monitoring and managing any potential withdrawal complications.

Correct Answer: D

Rationale: The PPD (purified protein derivative) intradermal test is the standard screening method for detecting tuberculosis infection. It helps identify individuals who have been infected with Mycobacterium tuberculosis. A chest x-ray (Choice A) is used to assess the extent of active disease, not for screening purposes. Blood culture (Choice B) is not typically used for tuberculosis screening. Sputum culture (Choice C) is used to confirm active tuberculosis in symptomatic individuals, not for initial screening purposes.