HESI Fundamentals Exam

Correct Answer: C

Rationale: The correct technique for using a flow-oriented incentive spirometer involves breathing in slowly and deeply to raise the ball or piston. This action helps to expand the lungs and improve lung function. Option A is incorrect as coughing deeply after each use is not part of using the spirometer. Option B is incorrect as holding the breath for 10 seconds is not the correct instruction for using the spirometer. Option D is incorrect as exhaling forcefully before using the spirometer is not the appropriate step in using this device.

Correct Answer: A

Rationale: A pericardial friction rub is characterized by a scratching sound that occurs during both systole and diastole. It becomes more distinct when the client is sitting up and leaning forward. This indicates an inflammation of the pericardial sac rubbing against the layers of the heart. Heart murmurs (choice B) are abnormal heart sounds caused by turbulent blood flow, not by friction like in a pericardial rub. S3 and S4 heart sounds (choices C and D) are additional heart sounds related to abnormal ventricular filling, not to pericardial friction rubs.

Correct Answer: C

Rationale: The correct technique for using a flow-oriented incentive spirometer involves breathing in slowly and deeply to raise the ball or piston. This action helps to expand the lungs and improve lung function. Option A is incorrect as coughing deeply after each use is not part of using the spirometer. Option B is incorrect as holding the breath for 10 seconds is not the correct instruction for using the spirometer. Option D is incorrect as exhaling forcefully before using the spirometer is not the appropriate step in using this device.

Correct Answer: B

Rationale: The correct answer is B. When documenting a client in a non-responsive state with stable vital signs and independent breathing, the nurse should document the Glasgow Coma Scale score to assess the level of consciousness and the regularity of respirations. Choice A is incorrect because 'comatose' implies a deeper level of unconsciousness than described in the scenario. Choice C is incorrect as it does not provide a specific assessment like the Glasgow Coma Scale score. Choice D is incorrect as a Glasgow Coma Scale score of 13 indicates a more alert state than described in the scenario.

Correct Answer: A

Rationale: When a nurse suspects pediculosis capitis (head lice) upon noticing movement in the patient's hair, the correct action is to use gloves to inspect the hair. This protects the nurse from potential self-infestations. Applying a lindane-based shampoo immediately (Choice B) is not the first action, as diagnosis and confirmation are necessary before treatment. Shaving the patient's hair off (Choice C) is an extreme measure and is unnecessary at this stage. Ignoring the movement and continuing (Choice D) is negligent and can lead to the spread of infestation.