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Physiology Exam 1 Questions With 100% Verified Answers

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©BRAINBARTER 2024/2025 Physiology Exam 1 Questions With 100% Verified Answers Positive feedback mechanisms tend to increase the original stimulus. (t/f) - answerTrue Without some sort of negative feedback mechanism, it would be impossible to keep our body chemistry in balance. (t/f) - answerT...

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  • October 2, 2024
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Physiology Exam 1 Questions With 100%
Verified Answers




Positive feedback mechanisms tend to increase the original stimulus. (t/f) - answer✔True


Without some sort of negative feedback mechanism, it would be impossible to keep our body

chemistry in balance. (t/f) - answer✔True


Regardless of the variable being replaced, all homeostatic control mechanisms have at least three

interdependent components. (t/f) - answer✔True


If you consider your home air conditioner in terms of homeostasis, then the wall thermostat

would be considered the? - answer✔Control Center


What is the main, general purpose of negative feedback? - answer✔To Maintain Homeostasis


A structure that is composed of two or more tissues - answer✔Organ


A triglyceride is a form of what substance? - answer✔Lipid


Which of the following statements is true concerning feedback mechanisms? - answer✔Negative

feedback mechanisms work to prevent sudden severe changes within the body

, ©BRAINBARTER 2024/2025


What are most feedback systems in the body? - answer✔Mostly negative feedback systems


Homeostasis is the condition in which the body maintains what? - answer✔Relatively stable

internal environment within limits

Place the following in correct sequence from simplest to most complex (molecules, atoms, organ,

tissue, cells) - answer✔Atoms, Molecules, Cells, Tissue, Organs


Similar cells that have a common function - answer✔Tissue


A charged particle is generally called an ion (t/f) - answer✔True


Lipids are a poor source of stored energy (t/f) - answer✔True


Glucose is an example of a monosaccharide (t/f) - answer✔True


The pH of body fluids must remain fairly constant for the body to maintain homeostasis (t/f) -

answer✔True


A key feature of the body's metabolism is the almost exclusive use of exergonic reactions by the

body (t/f) - answer✔False


Carbohydrates are stored in the liver and muscles in the form of what? - answer✔Glycogen


AB to A + B is an example of what reaction? - answer✔Decomposition


A chemical reaction in which bonds are broken is usually associated with? - answer✔The release

of energy

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