Correct Answer: A

Rationale: The correct answer is A: 'Families in their homes, School population, Workers in factories.' As a community health nurse, you are responsible for providing healthcare services and promoting health within the community. This includes visiting families in their homes to assess their health needs, working with the school population to educate them on preventive health measures, and ensuring the health and safety of workers in factories. Choices B, C, and D are incorrect because they do not encompass the full scope of a community health nurse's responsibilities. Choice B does not include workers in factories, Choice C excludes an important population group, and Choice D excludes an essential setting where healthcare services are provided.

Correct Answer: C

Rationale: The correct answer is C: 'Dyspnea and cough.' Pulmonary embolism often presents with a sudden onset of dyspnea (difficulty breathing) and cough, which are due to the obstruction of blood flow in the pulmonary arteries. Choices A, B, and D are incorrect. Positive Homan's sign is associated with deep vein thrombosis, fever and chills are nonspecific symptoms commonly seen in infective endocarditis, and sensory impairment is not typically indicative of pulmonary embolism.

Correct Answer: D

Rationale: Irregular hip symmetry, such as asymmetry in the gluteal folds, is a common sign of hip dislocation in newborns. This finding indicates a potential abnormality in hip development and requires further evaluation and possible treatment. Choices A, B, and C are incorrect. Flexion of lower extremities is a normal newborn reflex, the Ortolani response is used to detect hip dysplasia rather than hip dislocation, and a lengthened leg of the affected side is not typically associated with hip dislocation in newborns.

Correct Answer: B

Rationale: The correct answer is B. Echolalia (repeating others' words) and a shuffling gait are common symptoms of Parkinson's disease. These symptoms result from the degeneration of the basal ganglia in the brain that controls movement and speech. Choice A is incorrect because non-intention tremors are not typically associated with Parkinson's disease. Choice C is incorrect as muscle spasm and a bent-over posture are not classic manifestations of Parkinson's disease. Choice D is incorrect since intention tremors and jerky movement of the elbows are not characteristic of Parkinson's disease.

Correct Answer: C

Rationale: The maternal mortality rate is calculated as 6 maternal deaths per 1000 live births. The correct answer is C because to calculate the maternal mortality rate, you divide the number of maternal deaths by the number of live births and then multiply by 1000. Choices A, B, and D are incorrect as they do not match the given data on maternal deaths and live births for municipality X.