1.2*- Video Questions
Interactive Video
•
Biology
•
9th Grade
•
Practice Problem
•
Hard
Jordan Hampton
FREE Resource
5 questions
Show all answers
1.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
What is the main goal of a negative feedback loop?
To ignore changes
To create changes
To oppose changes
To amplify changes
2.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Which of the following is an example of a negative feedback loop?
Blood clotting
Childbirth
Body temperature regulation
Milk production
3.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
In the temperature regulation feedback loop, what role do the nerve endings play?
Effector
Control Center
Sensor
Stimulator
4.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
What happens when the brain receives a signal about a drop in body temperature?
It increases blood flow to the skin
It decreases heart rate
It sends a signal to the muscles to shiver
It releases oxytocin
5.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
What is the main characteristic of a positive feedback loop?
It stabilizes the system
It amplifies changes
It opposes changes
It decreases the set value
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