Correct Answer: B

Rationale: The correct term that refers to nurses in local/national health departments or public schools is 'Public health nurse.' Public health nursing (Choice A) is a broader term that encompasses the practice of nursing in the community to promote and protect the health of populations. Registered midwives (Choice C) specifically refers to a different role in healthcare related to childbirth and maternal care. Registered nurses (Choice D) are nurses who have completed specific education and training and are licensed to practice nursing.

Correct Answer: B

Rationale: The primary goal of public health is to prevent disease and disability by implementing measures to protect and improve the health of communities and populations. While achieving health equity, prolonging life, and promoting health are important aspects of public health, the central focus remains on preventing diseases and disabilities through various strategies such as vaccination programs, health education, and environmental regulations.

Correct Answer: C

Rationale: A healthy work environment is characterized by open communication and collaboration among team members. This fosters a positive atmosphere where ideas can be freely shared, conflicts resolved constructively, and teamwork thrives. High turnover rates, lack of communication, micromanagement, and strict hierarchy are detrimental to a healthy work environment as they can lead to low morale, decreased productivity, and a negative workplace culture.

Correct Answer: C

Rationale: The classic definition of public health originates from Dr. C. E. Winslow. He defined public health as 'the science and art of preventing disease, prolonging life, and promoting health through organized efforts and informed choices of society, organizations, public and private, communities, and individuals.' Winslow's definition is widely recognized and used as a foundational concept in the field of public health.

Correct Answer: D

Rationale: Cholera is caused by the bacterium Vibrio cholerae and is transmitted through contaminated water or food. It spreads rapidly in areas with poor sanitation and can lead to severe dehydration and even death if untreated. Unlike diabetes and hypertension, which are non-communicable diseases often influenced by lifestyle factors, HIV/AIDS and cholera are infectious diseases that can be transmitted from person to person.