Multiple Choice
How does feedback inhibition help the body maintain homeostasis?
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1. Introduction to Anatomy & Physiology
Feedback Loops
Multiple Choice
Which of the following is the best example of an unconditioned response in a reflex arc?
A
Sweating in response to heat
B
Salivation in response to food
C
Jumping at the sound of a loud noise
D
Blinking in response to a bright light
Verified step by step guidance1
Understand the concept of a reflex arc: A reflex arc is a neural pathway that controls a reflex action. It typically involves a sensory neuron, an interneuron, and a motor neuron, resulting in an automatic response to a stimulus.
Define an unconditioned response: An unconditioned response is an automatic, natural reaction to a stimulus that does not require prior learning or conditioning.
Analyze each option to determine if it is an unconditioned response: Consider whether the response is automatic and does not require prior learning.
Option 1 - Sweating in response to heat: This is an automatic physiological response to regulate body temperature, but it is not typically considered a reflex action in a reflex arc.
Option 2 - Salivation in response to food: This is an automatic response to the presence of food, preparing the body for digestion, and is a classic example of an unconditioned response in a reflex arc.
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