BIOS 251 UPDATED ACTUAL QUESTIONS
AND CORRECT ANSWERS COMPLETE
STUDY GUIDE FULL SOLUTION
●● The study of human function
Answer: Physiology
●● A tendency for organisms to maintain a balanced or constant internal
state
Answer: Homeostasis
●● A state of balance
Answer: Equilibrium
●● Consequences of homeostatic imbalance
Answer: Illness or death
●● Thermoregulation Process
Answer:
, ●● A feedback loop in which a system responds to a change by reversing
that change, or by decreasing the rate at which the change is occurring.
(Ex. thermoregulation)
Answer: Negative Feedback Loop
●● A feedback loop in which a system responds to a change by
amplifying that change. (Ex. childbirth)
Answer: Positive Feedback Loop
●● Changes, occurring within or outside the body, that affect
homeostasis
Answer: Stimuli
●● Detects and sends messages to the control center
Answer: Receptors
●● Processes the signal, alerts the effector about the detected change,
and gives instructions
Answer: Control Center
●● An organ or cell that acts in response to a stimulus; handles the issue
Answer: Effector
AND CORRECT ANSWERS COMPLETE
STUDY GUIDE FULL SOLUTION
●● The study of human function
Answer: Physiology
●● A tendency for organisms to maintain a balanced or constant internal
state
Answer: Homeostasis
●● A state of balance
Answer: Equilibrium
●● Consequences of homeostatic imbalance
Answer: Illness or death
●● Thermoregulation Process
Answer:
, ●● A feedback loop in which a system responds to a change by reversing
that change, or by decreasing the rate at which the change is occurring.
(Ex. thermoregulation)
Answer: Negative Feedback Loop
●● A feedback loop in which a system responds to a change by
amplifying that change. (Ex. childbirth)
Answer: Positive Feedback Loop
●● Changes, occurring within or outside the body, that affect
homeostasis
Answer: Stimuli
●● Detects and sends messages to the control center
Answer: Receptors
●● Processes the signal, alerts the effector about the detected change,
and gives instructions
Answer: Control Center
●● An organ or cell that acts in response to a stimulus; handles the issue
Answer: Effector