Define homeostasis and explain its relationship to the stress response
Scientists use the term homeostasis to define the physiological and emotional limits at which the body functions efficiently and comfortably in a state of balance. Stress disturbs homeostasis by creating a state of imbalance. When something happens in our surroundings—something equivalent to a big bear charging out of the forest—this perception of danger automatically initiates the fight-or-flight response. Once we sense no more danger, the functions in the body that activate the stress response are turned off and we gradually return to normal (homeostasis).
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An excessive amount of calcium in the urine is termed:
A) hypercalciuria. B) hypercalcemia. C) hypocalciuria. D) hypocalcemia.
How does the Healthy Mediterranean-Style Pattern of diet differ from the Healthy U.S.-Style Pattern?
A. It includes more dairy. B. It includes more processed soy products. C. It includes more fruit and seafood. D. It includes more whole grains.
Mariam's ophthalmologist prescribes a prostaglandin analog for her glaucoma and explains that prostaglandin inhibitors act by ____
A) decreasing aqueous humor production B) increasing aqueous humor outflow C) increasing aqueous humor production D) decreasing aqueous humor outflow
Cues for volleying at the control level include all of the following except
A. fingerpads. B. crab fingers. C. quick feet. D. bend and extend.