Number of alveoli in the two human lungs is

Correct Answer: A

Rationale: The correct answer is A (600-800 millions) because the alveoli are tiny air sacs in the lungs responsible for gas exchange. An adult human lung has approximately 300-400 million alveoli, with two lungs totaling 600-800 million. Choice B (200-300 millions) and C (1-2 millions) are incorrect because they underestimate the total number of alveoli in both lungs. Choice D (100,000-150,000 millions) is incorrect as it overestimates the number of alveoli by a significant margin.

Correct Answer: C

Rationale: The correct answer is C: Smoking while taking this medication will increase your risk of a stroke. This statement is important because nicotine replacement therapy aims to help the client quit smoking, and smoking while on this therapy can lead to nicotine overdose, increasing the risk of adverse effects like stroke. Choice A is incorrect as it does not directly relate to the client's nicotine replacement therapy. Choice B is incorrect as it pertains to orthostatic hypotension, not nicotine replacement therapy. Choice D is incorrect as it addresses the consequences of abruptly stopping the medication, not the risks associated with smoking while on it.

Correct Answer: A

Rationale: The correct answer is A: Assess the client for obstructive sleep apnea. Hypertension that is not responding to medications may be due to underlying sleep apnea, a common comorbidity. By assessing for obstructive sleep apnea, the nurse can identify a potential contributing factor to the client's uncontrolled hypertension. This step is crucial in managing the client's condition effectively. Summary of other choices: B: Arranging a home sleep apnea test may be premature without first assessing the client for obstructive sleep apnea. C: Encouraging the client to begin exercising is important for overall health but may not directly address the uncontrolled hypertension. D: Scheduling a polysomnography may be necessary if obstructive sleep apnea is suspected after the initial assessment.

Correct Answer: A

Rationale: The correct answer is A: Ask the spouse to explain the fear of visiting in further detail. By asking the spouse to explain their fear, the nurse can address and alleviate specific concerns, providing tailored support. This approach promotes open communication and understanding, which may help the spouse feel more comfortable visiting. B: Informing the spouse about precautions may not address the underlying fear and could come across as dismissive. C: Showing how to follow precautions does not directly address the spouse's fear and may not be sufficient to alleviate concerns. D: Telling the spouse they have already been exposed may not address their fear and could potentially increase anxiety.

Correct Answer: A

Rationale: The correct answer is A. Enteral feedings bypass the oral route, allowing the suture line to heal without strain. B (meticulous mouth care) is important but not directly related to nutrition. C (gradual advancement of the diet) occurs later. D (reassurance) addresses psychological concerns but not nutritional needs.