Homeostasis Concepts Quiz

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What is the main function of a receptor in a homeostatic system?

Coordinating bodily activities requiring rapid responses

Interpreting input from the control center

Bringing about changes to alter the stimulus

Detecting changes in a variable or stimulus (correct)

Which component of a homeostatic system initiates changes through effectors?

Control center (correct)

Receptor

Endocrine system

Nervous system

In the context of homeostasis, what is the primary function of an effector?

Detecting changes in internal environment

Bringing about changes to alter the stimulus (correct)

Initiating reactions to changes in external environment

Detecting changes in external environment

Which system is responsible for secreting glands that regulate activities requiring duration?

Endocrine system (B) Signup and view all the answers

What happens in extreme dysfunction of the body's homeostatic systems?

Death occurs (C) Signup and view all the answers

Which bodily activities does the nervous system primarily control and coordinate?

Activities requiring rapid responses (D) Signup and view all the answers

Which component of a homeostatic system detects a change in a variable?

Receptor (A) Signup and view all the answers

What is the purpose of a negative feedback loop in a homeostatic system?

To maintain or return the variable to homeostasis (D) Signup and view all the answers

Which of the following factors is NOT homeostatically regulated?

Room temperature (A) Signup and view all the answers

What is the role of effectors in a homeostatic system?

Initiate changes in response to stimuli (D) Signup and view all the answers

In a homeostatic system, where is the information integrated to initiate a response?

Control center (D) Signup and view all the answers

Which type of feedback loop involves intensifying the original stimulus?

Positive feedback loop (B) Signup and view all the answers

What type of system maintains the variable within a normal range?

Homeostatic control system (C) Signup and view all the answers

In a negative feedback system, when the stimulus decreases, what action is taken by the homeostatic control system?

Cause an increase in the stimulus (C) Signup and view all the answers

What is the role of the hypothalamus in temperature regulation within a negative feedback system?

Alerts nerve impulses to increase blood flow to the skin (B) Signup and view all the answers

How does the body respond when sensory receptors detect a drop in body temperature in a negative feedback system?

Activate shivering and 'goosebumps' (D) Signup and view all the answers

What is the primary function of negative feedback systems in maintaining homeostasis?

To keep variables constant and unchanging (C) Signup and view all the answers

In a negative feedback system, what happens if the stimulus increases?

Homeostatic control system causes a decrease in the stimulus (B) Signup and view all the answers