APHY 201 ACTUAL TEST PAPER 2026
COMPLETE QUESTIONS AND SOLUTIONS
GRADED A+
●● Physiology (modern definition).
Answer: Studies the function of the body, in other words, how the body
parts work and carry out their life sustaining activities. Often focuses on
cellular and molecular level.
●● Physiology (literal definition).
Answer: Study of nature
●● Homeostasis.
Answer: Maintenance of relatively stable internal environment due to
process bringing system back to baseline. Aka dynamic state of
equilibrium or balance.
●● What is essential to maintain homeostasis?.
Answer: Communication within the body to monitor and regulate. All
three components (receptor, control center, and effector) must be
functional to maintain homeostasis.
●● Variable.
, Answer: Homeostasis control mechanism being regulated. Ex: body
temperature, heart rate, blood pressure, oxygen content of blood, blood
sugar, etc.
●● Receptor.
Answer: First component: some type of sensor that monitors the
environment and responds to changes called stimuli, by sending
information (input) to the control center.
●● Control center.
Answer: Second component: receives information (input) from the
receptor along the afferent pathway. Determines the set point, which is
the level or range at which a variable is to be maintained.
●● Effector.
Answer: Third component: receives information (output) from the
control center along the efferent pathway. Provides the means for the
control centers response (output) to the stimulus.
●● Afferent.
Answer: Approaches the control center (monitors)
●● Efferent.
Answer: Exits the control center (issues orders to muscles or glands)
COMPLETE QUESTIONS AND SOLUTIONS
GRADED A+
●● Physiology (modern definition).
Answer: Studies the function of the body, in other words, how the body
parts work and carry out their life sustaining activities. Often focuses on
cellular and molecular level.
●● Physiology (literal definition).
Answer: Study of nature
●● Homeostasis.
Answer: Maintenance of relatively stable internal environment due to
process bringing system back to baseline. Aka dynamic state of
equilibrium or balance.
●● What is essential to maintain homeostasis?.
Answer: Communication within the body to monitor and regulate. All
three components (receptor, control center, and effector) must be
functional to maintain homeostasis.
●● Variable.
, Answer: Homeostasis control mechanism being regulated. Ex: body
temperature, heart rate, blood pressure, oxygen content of blood, blood
sugar, etc.
●● Receptor.
Answer: First component: some type of sensor that monitors the
environment and responds to changes called stimuli, by sending
information (input) to the control center.
●● Control center.
Answer: Second component: receives information (input) from the
receptor along the afferent pathway. Determines the set point, which is
the level or range at which a variable is to be maintained.
●● Effector.
Answer: Third component: receives information (output) from the
control center along the efferent pathway. Provides the means for the
control centers response (output) to the stimulus.
●● Afferent.
Answer: Approaches the control center (monitors)
●● Efferent.
Answer: Exits the control center (issues orders to muscles or glands)
