): Essentials of
Pathophysiology - Rasmussen
What is pathophysiology? - ANSWER The study of homeostasis. What the body has to do to be at normal operating range. Etiology of disease. What is normal and abnormal.
General Adaptation Syndrome - ANSWER A cluster of systemic manifestations that represent an attempt to cope with a stressor
Describe the Alarm phase - ANSWER Generalized stimulation of the sympathetic nervous system, releases catacholamines and cortisol AKA fight or flight.
Dump of adrenaline or epinephrine rush in the body.
Breathing is faster.
Describe the resistance stage of GAS - ANSWER During this
stage the body selects the most effective and economic channels of defense. During
this stage the cortisol levels that were present in the alarm stage drop because they are no longer needed.
Trying to get away from the stress.
Describe the exhaustion stage of GAS - ANSWER Initiated if
the stressor is prolonged or overwhelms the body. When you are exhausted and done. What is a sign? - ANSWER something that you can physically see
What is a symptom? - ANSWER Something that is felt by a person
What is edema? - ANSWER Swelling/inflammation.
excess fluid in the interstitial spaces
Dehydration - ANSWER (ECF volume deficit)
Inadequate fluid intake
occurs when total body fluid levels are insufficient to meet body's needs. Lack of volume in the body
Hypertonic Hydration (fluid overload) - ANSWER Excess fluid, lungs-difficult to breathe, bounding pulse. Edema is an example
What is the main electrolyte in the extracellular fluid? - ANSWER Sodium (NaCl) Chloride
The main electrolyte inside of the cell? - ANSWER Potassium