Читать книгу Understanding Anatomy and Physiology in Nursing - John Knight - Страница 57

After reading this chapter, you will be able to:

 define homeostasis and describe the key elements of negative feedback;

 explain what is meant by the terms ‘set point’ and ‘normal range’;

 explain why nurses need to know the normal physiological ranges of major variables such as body temperature, electrolytes and blood glucose;

 describe how positive feedback differs from negative feedback.