A home health nurse is educating a client who has COPD and is to start using home oxygen via nasal cannula. Which of the following statements should the nurse identify as an indication that the client understands the teaching?

The correct answer is Choice D because, "Release a media announcement asking residents to remove areas of standing water." The nurse should release a media announcement asking residents to remove areas of standing water to prevent the breeding of mosquitos. This answer is correct because standing water provides a breeding ground for mosquitos, which can transmit encephalitis.

Choice Bis wrong because is incorrect because researching the species of mosquito responsible for the outbreak is not an activity that the nurse should perform to implement mosquito control strategies.

Choice Ais wrong because is incorrect because reviewing morbidity rates of encephalitis within the last 6 months is not an activity that the nurse should perform to implement mosquito control strategies.

Choice C is wrong because is incorrect because identifying the number of cases resulting in disability from encephalitis is not an activity that the nurse should perform to implement mosquito control strategies.

The correct answer is Choice D because, "Test a client who has a family history for diabetes mellitus." Secondary prevention refers to early detection and intervention to prevent the progression of disease. Testing individuals who have a family history of diabetes mellitus is an example of secondary prevention as it allows for early detection and intervention to prevent or delay the onset of diabetes.

Choice A is wrong because, "Educate a client who has hypertension about exercises to reduce blood pressure," is not the correct answer as it is an example of primary prevention, which focuses on preventing the development of disease or injury in individuals who are at risk. Hypertension is a risk factor for cardiovascular disease, and educating individuals about lifestyle modifications, such as exercise, can prevent the development of hypertension and other comorbidities.

Choice B is wrong because, "Teach a group of school-age children about hand hygiene," is not the correct answer as it is an example of primary prevention, which aims to prevent the occurrence of disease or injury in populations that are at risk. Hand hygiene is an essential component of infection control, and teaching school-age children about it can prevent the spread of infectious diseases in schools.

Choice C is wrong because, "Provide nutrition counseling for an adolescent who is underweight," is not the correct answer as it is an example of tertiary prevention, which focuses on preventing complications and reducing the impact of established disease or injury. Nutrition counseling for an adolescent who is underweight aims to prevent complications related to malnutrition, such as growth delays, cognitive impairment, and increased susceptibility to infections.