Physiology and Anatomy for Nurses and Healthcare Practitioners 3rd Edition PDF
30.71 MB PDF
The new edition of this popular text continues to present homeostasis as a dynamic concept that provides the basis for understanding health and well-being. It also recognizes how failure to respond to homeostatic disturbances results in homeostatic imbalances responsible for the signs and symptoms of ill health, and how health carers seek to reverse those imbalances by acting as external agents of homeostatic control.
Why homeostasis? The concept of homeostasis typically is one of a constant performance or environment, but in physiology such an interpretation is not strictly correct because there must be scope for adaptation to allow people to achieve developmental milestones, or to change performance level according to need – for example, when we perform exercise, when a woman becomes pregnant, when we respond to infection, or when we are recovering from an operation. Homeostasis in the physiological sense therefore represents a dynamism that is central to human functioning. Nevertheless, the concept remains about control; few processes in the body occur by chance, and those that do promote corrective or adaptive responses.
This book is especially concerned with identifying the adaptive responses illustrated in health, the maladaptive processes that are illustrated during ill health, and how the healthcare professional utilises this knowledge in restoring a person’s health status or improving the quality of life until death. The intention is to utilize homeostasis as a framework to aid learning and so help the healthcare student to appreciate the physiological rationale of practice.
The education of the healthcare professional places emphasis on producing students and staff knowledgeable about the ‘holistic’ (physiological, psychological, sociological and spiritual) requirements of health. The integration of physiological functioning into this model has provided difficult in healthcare education, and the need to describe and explain body functioning in the context of an interactive framework prompted the writing of previous editions of this book, as well as many subsequent articles on the theme of homeostasis.
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physiology and anatomy for nurses and healthcare practitioners a homeostatic approach third edition