Homeostasis Quiz
Authored by Cheryl George
Biology
9th Grade
NGSS covered
Used 69+ times
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13 questions
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1.
MULTIPLE CHOICE QUESTION
2 mins • 1 pt
Which of the following is a good definition of homeostasis?
Homeostasis means that our body monitos the value of several parameters and prevents them from ever changing.
Homeostasis means that our body doesn't regulate the value of different body parameters.
Homeostasis means that our body maintains a relatively constant internal environment that often incorporates a form of feedback regulation.
Homeostasis means that we stand still all the time.
Tags
NGSS.HS-LS1-3
2.
MULTIPLE CHOICE QUESTION
2 mins • 1 pt
Which of the following variables do our bodies regulate:
Glucose concentration in blood
Body temperature
Blood volume (how much blood is in our body at one time)
All of the above
Tags
NGSS.HS-LS1-3
3.
MULTIPLE CHOICE QUESTION
2 mins • 1 pt
What type of feedback loop is shown?
Positive
Negative
Neutral
Tags
NGSS.HS-LS1-3
4.
MULTIPLE CHOICE QUESTION
2 mins • 1 pt
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. This is an example of...
Positive Feedback
Negative Feedback
Tags
NGSS.HS-LS1-3
5.
MULTIPLE CHOICE QUESTION
2 mins • 1 pt
True or False: Negative feedback loops are bad for the human body.
True
False
Tags
NGSS.HS-LS1-3
6.
MULTIPLE CHOICE QUESTION
2 mins • 1 pt
When you get cut, your skin releases hormones that signal platelets to come and stop the bleeding. Platelets then release more hormones that signal even more platelets to help stop the bleeding. The hormone signals continue until the cut is closed. This is an example of....
Positive feedback mechanism
Negative feedback mechanism
Tags
NGSS.HS-LS1-3
7.
MULTIPLE CHOICE QUESTION
2 mins • 1 pt
Most control mechanisms in the human body are ______________________ mechanisms.
negative feedback
positive feedback
Tags
NGSS.HS-LS1-3
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