15 Questions
What is the definition of homeostasis?
The tendency of the body to maintain a stable, constant internal environment
Which hormone regulates blood pressure and kidney function?
Aldosterone
What is the physiological action of cortisol?
Increases blood sugar levels
What is the primary cause of adaptation disorders in General Adaptation Syndrome?
Prolonged exposure to stressors
What is the role of superoxide dismutase in defense against free radicals?
It neutralizes superoxide anions into hydrogen peroxide and oxygen
Which of the following is NOT a characteristic of chloride ion?
It is predominantly found in the intracellular fluid
What is the primary hormone responsible for the regulation of water reabsorption in the body?
Vasopressin (ADH)
Which factor exerts its effects on both the adrenal cortex and medulla?
Epinephrine
Which of the following is NOT a physiological action of cortisol?
Stimulation of thyroid hormone release
What is the main defense mechanism against oxygen-derived free radicals?
Superoxide dismutase
What is the main cause of alterations in neuromuscular irritability due to metabolic causes as described in the text?
Magnesium metabolism disorders
Which of the following hormones is NOT mentioned in relation to water balance regulation in the text?
D-hormone
What is the primary role of the Angiotensin-aldosterone system as mentioned in the text?
Regulation of blood pressure and kidney function
Which of the following is NOT an effect of the environment as described in the text?
Neurohormonal factors on adrenal cortex
What is the main characteristic of chloride ion?
Distribution in extracellular (EC) fluid
Prepare for your 2019 pathophysiology exams with these topic summaries provided by Caitlin Hanrahan. The list covers disease definitions, classifications, examples, homeostasis, osmoreceptor-ADH feedback, and more.
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