Water boils when the water vapour pressure is equal to the atmospheric pressure that is 100 degree centigrade and atmospheric pressure is 1. At vacuum, there is no pressure boiling should occur at low temperature only.
Definition of Public Health Nursing. Public health nursing is the practice of promoting and protecting the health of populations using knowledge from nursing, social, and public health sciences. Public health nursing is a systematic process by which: The health and health care needs of a population are assessed in order to identify subpopulations, families and individuals who would benefit from health promotion or who are at risk of illness, injury, disability or premature death.
1 THE DEFINITION AND PRACTICE OF PUBLIC HEALTH NURSING. 2 A Statement of the APHA Public Health Nursing Section. 3 2013. 4 This document reaffirms the 1996 American Public Health Association Public Health Nursing Section. 5 definition statement,1 and puts it in the context of current public health nursing practice. 6. 7 Definition. 8 Public health nursing is the practice of promoting and protecting the health of populations using. 9 knowledge from nursing, social, and public health sciences. 10. 11 The public health nurse (PHN) assesses, anticipates, considers, and responds to factors in the health. 12 system environment including emerging health trends, health and economic policies, and social and. 13 environmental justice issues.