1|Page | © copyright 2024/2025 | Grade A+
NWHSU Physiology 1 PhizQuiz 1
Review Questions and Answers
(100% Pass)
The ability of the body to maintain a relatively constant internal environment
regardless environmental changes.
✓ Define homeostasis
Blood glucose level homeostasis uses the pancreas to secrete insulin and
glucagon to maintain level blood glucose levels.
✓ Give examples of homeostatic process
It contains a receptor, afferent pathway, a control center, an efferent
pathway, and finally an effector.
✓ What are the components of a feedback loop?
A negative feedback system has the body act to reverse the direction of
change. This tends to keep things constant. Because of this, it is the most
common homeostatic control mechanism. Positive feedback causes change
to occur in variable response changes that are variable even more in the
same direction. It does not result in homeostasis but in bringing about an
effective.
Master01 | October, 2024/2025 | Latest update
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✓ Compare negative feedback control vs. positive feedback control
Negative feedback inhibition!
✓ Which type of control is most common in the body
Something that upsets the balance of homeostasis. Anything that represents a
deviation from some norm or steady state.
✓ Provide the definition & examples of a "stressor" as it applies to the
concept of homeostasis.
Cellular adaptation occurs if a cell is unable to maintain its original
homeostatic state. In those circumstances, it must draw upon its reserves and
adapt to the new environment. This is cellular adaption. Decline occurs when
the cell cannot adapt.
✓ Compare cellular adaptation vs. decline toward cellular dysfunction
and give examples.
Hypertrophy (cells increase in size), hyperplasia, atrophy, and metaplasia
✓ What are the four cellular adaptions?
Master01 | October, 2024/2025 | Latest update
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Glucose metabolism-insulin resistance -> Type 2 Diabetes, Thermoregulation,
and the Stress Response.
✓ What three examples of homeostatic imbalance were given in class?
Shunting blood to core, shivering, increasing epinephrine and
norepinephrine, increased thyroxine for elevating metabolism, and
increasing physical activity.
✓ How does the body regain homeostasis during hypothermia?
65%
✓ What percentage of human body is water.
Intracellular compartment and Extra cellular compartment. In the ECF you
have interstitial fluid (in the cell), intravascular fluid (plasma), and
cerebrospinal fluid.
✓ Body Fluid Compartments - What are the two fluid compartments
discussed in lecture?
ECF
Master01 | October, 2024/2025 | Latest update
NWHSU Physiology 1 PhizQuiz 1
Review Questions and Answers
(100% Pass)
The ability of the body to maintain a relatively constant internal environment
regardless environmental changes.
✓ Define homeostasis
Blood glucose level homeostasis uses the pancreas to secrete insulin and
glucagon to maintain level blood glucose levels.
✓ Give examples of homeostatic process
It contains a receptor, afferent pathway, a control center, an efferent
pathway, and finally an effector.
✓ What are the components of a feedback loop?
A negative feedback system has the body act to reverse the direction of
change. This tends to keep things constant. Because of this, it is the most
common homeostatic control mechanism. Positive feedback causes change
to occur in variable response changes that are variable even more in the
same direction. It does not result in homeostasis but in bringing about an
effective.
Master01 | October, 2024/2025 | Latest update
, 1|Page | © copyright 2024/2025 | Grade A+
✓ Compare negative feedback control vs. positive feedback control
Negative feedback inhibition!
✓ Which type of control is most common in the body
Something that upsets the balance of homeostasis. Anything that represents a
deviation from some norm or steady state.
✓ Provide the definition & examples of a "stressor" as it applies to the
concept of homeostasis.
Cellular adaptation occurs if a cell is unable to maintain its original
homeostatic state. In those circumstances, it must draw upon its reserves and
adapt to the new environment. This is cellular adaption. Decline occurs when
the cell cannot adapt.
✓ Compare cellular adaptation vs. decline toward cellular dysfunction
and give examples.
Hypertrophy (cells increase in size), hyperplasia, atrophy, and metaplasia
✓ What are the four cellular adaptions?
Master01 | October, 2024/2025 | Latest update
, 1|Page | © copyright 2024/2025 | Grade A+
Glucose metabolism-insulin resistance -> Type 2 Diabetes, Thermoregulation,
and the Stress Response.
✓ What three examples of homeostatic imbalance were given in class?
Shunting blood to core, shivering, increasing epinephrine and
norepinephrine, increased thyroxine for elevating metabolism, and
increasing physical activity.
✓ How does the body regain homeostasis during hypothermia?
65%
✓ What percentage of human body is water.
Intracellular compartment and Extra cellular compartment. In the ECF you
have interstitial fluid (in the cell), intravascular fluid (plasma), and
cerebrospinal fluid.
✓ Body Fluid Compartments - What are the two fluid compartments
discussed in lecture?
ECF
Master01 | October, 2024/2025 | Latest update
