An energy profile of an exothermic reaction. by definition the enthalpy change has a negative value: in an exothermic reaction, gives a negative value for Î´H, since a larger value (the energy released in the reaction) is subtracted from a smaller value (the energy used for the reaction). For example, when hydrogen burns:
Health care or healthcare is the maintenance or improvement of health via the prevention, diagnosis, and treatment of disease, illness, injury, and other physical and mental impairments in human beings. Healthcare is delivered by health professionals in allied health professions, physicians, physician associates, dentistry, midwifery, nursing, medicine, optometry, audiology, pharmacy, psychology, and other health professions. It includes the work done in providing primary care, secondary care, a
The World Health Organization (WHO) defines health promotion as a process of enabling people to increase control over and to improve their health. To facilitate that process, we must provide people with appropriate information. Nurses have a key role in providing that information in the form of health teaching. Nurses are highly educated, experienced health professionals who are accessible through many settings such as hospitals.