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Concept 2 Homeostasis and Regulation – Anatomy & Physiology Study Guide, Practice Questions

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Concept 2 Homeostasis and Regulation – Anatomy & Physiology Study Guide, Practice Questions

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Concept 2 Homeostasis and Regulation 2026/ 2027 –
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Anatomy & Physiology Study Guide, Practice Questions & A
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nswers


Homeostasis - ./


correct answer the active process of maintaining a relatively stabl
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e, balanced internal environment
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Homeostasis regulates: - correct answer - ./ ./ ./ ./ ./


body temperature (thermoregulation)
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-oxygen supply ./



-fluid and electrolyte balance
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-food intake (appetite & body weight)
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Hypothalamus - ./


correct answer the brain structure most critical for homeostatic re
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gulation is: ./




Hypothalamus - ./


correct answer the most sensitive internal thermostat is found in t
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he:

,Endotherms - ./


correct answer we mammals are ________, meaning that we ma
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ke our own heat inside our bodies, using metabolism and muscula
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r activity
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Behavioral - ./


correct answer Ectotherms, unlike endotherms must rely on ____
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______ type of mechanism to regulate body temperature?
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Endotherms - ./


correct answer the human body generates a fever when fighting i
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nfections


Ectotherms - ./


correct answer animals that get their heat mostly from outside the
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body-from the environment
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Ectotherms - ./


correct answer iguanas regulate their temperature by moving tow
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ard or away from a heat lamp
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, Negative Feedback System - ./ ./ ./


correct answer the homeostatic mechanisms that regulate temper
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ature, body fluids, and metabolism
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Negative Feedback System - correct answer -
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deviation from a desired value, set point, triggers a compensatory
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action of the system ./ ./ ./



-restoring the desired value turns off the response
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Negative Feedback System - correct answer -
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temperature drops below the set point and activates the thermosta
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t, which turns on the heating system
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-
the heating system has a reverse effect on the thermostat, so it sto
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ps calling for heat
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Negative Feedback Loop - ./ ./ ./


correct answer homeostasis operates on the principle of
./ ./ ./ ./ ./ ./ ./ ./




Shivering - ./


correct answer behavioral responses that conserve or generate he
./ ./ ./ ./ ./ ./ ./ ./ ./


at

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