Examples of Negative and Positive Feedback

What type of feedback loop is shown?

• Positive

• Neutral

• Negative

Tags

NGSS.HS-LS1-3

Maintaining body temperature is an example of a:

• negative feedback loop

• positive feedback loop

Tags

NGSS.HS-LS1-3

What type of feedback loop is shown?

• negative

• neutral 

• positive

Tags

NGSS.HS-LS1-3

The two types of feedback systems that help organisms maintain homeostasis are:

• positive and negative 

• receptor and effector

• static and dynamic

• minor and major

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NGSS.HS-LS1-3

When glucose levels in the blood rise, your brain sends a signal to your pancreas. The pancreas releases insulin, which opens channels in cell membranes to allow glucose to enter the cell, lowering blood sugar levels. 

• Positive Feedback Response

• Negative Feedback Loop 

Tags

NGSS.HS-LS1-3

According to the feedback loop, what does high blood sugar promote?

• Insulin Release

• Glucagon Release

• Insulin Uptake

• Glycogen Uptake

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NGSS.HS-LS1-3

Negative Feedback Loops:

• amplify processes

• prevent small changes from getting larger

• are initiated during childbirth

• are found only in plants

Tags

NGSS.HS-LS1-3

Which of the following is an example of a positive feedback mechanism in the human body?

• Blood clotting process

• Regulation of blood sugar levels

• Thermoregulation

• Osmoregulation

Tags

NGSS.HS-LS1-3

In a negative feedback loop, what is the primary role of the effector?

• To amplify the initial stimulus

• To detect changes in the environment

• To counteract changes and restore balance

• To send signals to the control center

Tags

NGSS.HS-LS1-3

Which of the following scenarios best illustrates a negative feedback loop?

• A thermostat turning off the heater when the room reaches the set temperature

• A microphone causing a loud screeching sound when placed near a speaker

• A snowball rolling down a hill and growing larger

• A person shivering to generate heat when cold

Tags

NGSS.HS-LS1-3