SCI 225
PATHOPHYSIOLOGY
Week 1: Homeostasis
CONTENT REVIEW EXAM
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,1. Multiple Choice: Which hormone primarily regulates the blood
glucose level?
a) Insulin
b) Glucagon
c) Cortisol
d) Epinephrine
Correct Answer: a) Insulin
Rationale: Insulin is the hormone produced by the pancreas that
allows cells to absorb glucose, thus lowering blood glucose levels.
2. Fill-in-the-Blank: The ________ is the primary organ
responsible for maintaining metabolic homeostasis in the body.
Correct Answer: Liver
Rationale: The liver regulates various biochemical reactions,
including glycogen storage, decomposition of red blood cells,
plasma protein synthesis, hormone production, and detoxification.
3. True/False: The negative feedback mechanism is a process that
increases the magnitude of changes in homeostasis.
Correct Answer: False
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, Rationale: Negative feedback mechanisms reduce the output or
activity of any organ or system back to its normal range of
functioning.
4. Multiple Response: Select all that apply. Which of the following
are components of the body's homeostatic regulation?
a) Receptors
b) Control center
c) Effectors
d) Environmental factors
Correct Answers: a) Receptors, b) Control center, c) Effectors
Rationale: Receptors detect changes in the environment, the
control center processes the information, and effectors enact the
necessary changes to adjust the condition. Environmental factors
are not a component of homeostatic regulation but can influence it.
5. Multiple Choice: Homeostasis is best described as:
a) The body's attempt to change internal conditions.
b) The body's static state without any change.
c) The body's maintenance of a stable internal environment.
d) The body's response to external stimuli only.
Correct Answer: c) The body's maintenance of a stable internal
environment.
©Nightingale 2024/2025
PATHOPHYSIOLOGY
Week 1: Homeostasis
CONTENT REVIEW EXAM
©Nightingale 2024/2025
,1. Multiple Choice: Which hormone primarily regulates the blood
glucose level?
a) Insulin
b) Glucagon
c) Cortisol
d) Epinephrine
Correct Answer: a) Insulin
Rationale: Insulin is the hormone produced by the pancreas that
allows cells to absorb glucose, thus lowering blood glucose levels.
2. Fill-in-the-Blank: The ________ is the primary organ
responsible for maintaining metabolic homeostasis in the body.
Correct Answer: Liver
Rationale: The liver regulates various biochemical reactions,
including glycogen storage, decomposition of red blood cells,
plasma protein synthesis, hormone production, and detoxification.
3. True/False: The negative feedback mechanism is a process that
increases the magnitude of changes in homeostasis.
Correct Answer: False
©Nightingale 2024/2025
, Rationale: Negative feedback mechanisms reduce the output or
activity of any organ or system back to its normal range of
functioning.
4. Multiple Response: Select all that apply. Which of the following
are components of the body's homeostatic regulation?
a) Receptors
b) Control center
c) Effectors
d) Environmental factors
Correct Answers: a) Receptors, b) Control center, c) Effectors
Rationale: Receptors detect changes in the environment, the
control center processes the information, and effectors enact the
necessary changes to adjust the condition. Environmental factors
are not a component of homeostatic regulation but can influence it.
5. Multiple Choice: Homeostasis is best described as:
a) The body's attempt to change internal conditions.
b) The body's static state without any change.
c) The body's maintenance of a stable internal environment.
d) The body's response to external stimuli only.
Correct Answer: c) The body's maintenance of a stable internal
environment.
©Nightingale 2024/2025
