MSU PSL 310: Unit 1 Exam (Study
Questions) And Actual Answers 2026
Updated.
Homeostasis: Which body system contributes to Homeostasis?
A) Urinary
B) Cardiovascular
C) Both
D) Neither - Answer c) Both
Homeostasis: Homeostasis is the maintenance of a relatively constant ________ fluid.
A) Extracellular
B) Intracellular - Answer A) Extracellular
Homeostasis: A Negative feedback response _______ the disturbance; A positive feedback
response ____ the disturbance.
A) Reinforces, Counteracts
B) Counteracts; Reinforces - Answer B) Counteracts; Reinforces
Homeostasis: In feedforward mechanisms, a response occurs _____ the change in the
controlled variable, which tends to _____ fluctuation of the controlled variable.
A) After, Increase
B) After, Decrease
C) Before, Increase
D) Before, Decrease - Answer D) Before, Decrease
Homeostasis: When blood pressure increases, sensory receptors (pressure monitoring nerve
cells) are stimulated and cause a response to _____ blood pressure. This is an example of ____
feedback.
A)Increase, Positive
B) Increase, Negative
C)Decrease, Positive
D) Decrease, Negative - Answer D) Decrease, Negative
Homeostasis: Negative feedback rarely occurs in the body; It is less common than positive
feedback
, True or False - Answer False
Homeostasis: The intracellular fluid is
A) Intercellular fluid
B) Plasma
C) Both
D) Neither - Answer D) Neither
Homeostasis: In negative feedback control systems, the path from the sensor (receptor) to the
control (integrating) center is called
A) Afferent pathway
B) Efferent pathway
C) Effector
D) None - Answer A) Afferent pathway
Homeostasis: Which of the following is true about Homeostasis?
A) Homeostasis is a fixed, completely unchanging state
B) Homeostasis is a dynamic equilibrium in which variables are allowed to fluctuate, but within
narrow limits
C) Homeostasis is most often maintained by positive feedback responses
D) In order to maintain Homeostasis, regulated variables are normally kept as far from their set
point as possible
E) B & C - Answer B) Homeostasis is a dynamic equilibrium in which variables are allowed to
fluctuate, but within narrow limits
Homeostasis: Which of the following is part of the Extracellular fluid?
A) Plasma
B) Interstitial fluid
C) Both
D) Neither - Answer C) Both
Homeostasis: Physiology is the study of the ____ of the body. Anatomy is the study of the ____
of the body.
A) Structure, Function
B) Function, Structure - Answer B) Function, Structure
Questions) And Actual Answers 2026
Updated.
Homeostasis: Which body system contributes to Homeostasis?
A) Urinary
B) Cardiovascular
C) Both
D) Neither - Answer c) Both
Homeostasis: Homeostasis is the maintenance of a relatively constant ________ fluid.
A) Extracellular
B) Intracellular - Answer A) Extracellular
Homeostasis: A Negative feedback response _______ the disturbance; A positive feedback
response ____ the disturbance.
A) Reinforces, Counteracts
B) Counteracts; Reinforces - Answer B) Counteracts; Reinforces
Homeostasis: In feedforward mechanisms, a response occurs _____ the change in the
controlled variable, which tends to _____ fluctuation of the controlled variable.
A) After, Increase
B) After, Decrease
C) Before, Increase
D) Before, Decrease - Answer D) Before, Decrease
Homeostasis: When blood pressure increases, sensory receptors (pressure monitoring nerve
cells) are stimulated and cause a response to _____ blood pressure. This is an example of ____
feedback.
A)Increase, Positive
B) Increase, Negative
C)Decrease, Positive
D) Decrease, Negative - Answer D) Decrease, Negative
Homeostasis: Negative feedback rarely occurs in the body; It is less common than positive
feedback
, True or False - Answer False
Homeostasis: The intracellular fluid is
A) Intercellular fluid
B) Plasma
C) Both
D) Neither - Answer D) Neither
Homeostasis: In negative feedback control systems, the path from the sensor (receptor) to the
control (integrating) center is called
A) Afferent pathway
B) Efferent pathway
C) Effector
D) None - Answer A) Afferent pathway
Homeostasis: Which of the following is true about Homeostasis?
A) Homeostasis is a fixed, completely unchanging state
B) Homeostasis is a dynamic equilibrium in which variables are allowed to fluctuate, but within
narrow limits
C) Homeostasis is most often maintained by positive feedback responses
D) In order to maintain Homeostasis, regulated variables are normally kept as far from their set
point as possible
E) B & C - Answer B) Homeostasis is a dynamic equilibrium in which variables are allowed to
fluctuate, but within narrow limits
Homeostasis: Which of the following is part of the Extracellular fluid?
A) Plasma
B) Interstitial fluid
C) Both
D) Neither - Answer C) Both
Homeostasis: Physiology is the study of the ____ of the body. Anatomy is the study of the ____
of the body.
A) Structure, Function
B) Function, Structure - Answer B) Function, Structure
