Asked by Kristin Sfero on May 08, 2024
Verified
Imagine the following scenario:
Blood pressure decreases below normal levels.→ Blood flow to the heart decreases → Heart is unable to pump as much blood.→ Blood pressure decreases even more.
This is an example of ________ feedback.
A) positive
B) negative
Positive Feedback
A biological mechanism in which the end product of a process enhances its own production or effect.
Blood Pressure
The pressure exerted by circulating blood upon the walls of blood vessels, typically measured in the arteries.
- Distinguish between positive and negative feedback mechanisms in the regulation of body functions.
Verified Answer
DP
Dhruvi patelMay 08, 2024
Final Answer :
A
Explanation :
This scenario describes a positive feedback loop because the initial decrease in blood pressure leads to a series of events that further decrease blood pressure, amplifying the original condition rather than correcting it.
Learning Objectives
- Distinguish between positive and negative feedback mechanisms in the regulation of body functions.
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