Homeostasis

Homeostasis

10th - 12th Grade

30 Qs

quiz-placeholder

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Homeostasis

Homeostasis

Assessment

Quiz

10th - 12th Grade

Easy

Created by

Heather Leckie

Used 201+ times

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30 questions

Show all answers

1.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

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What is meant by homeostasis?

Controls and coordinates body activities through chemical

controls and coordinates body activities through electrical impulses

For maintenance of a steady state in the internal environment

remove metabolic waste products from the cel

2.

MULTIPLE CHOICE QUESTION

2 mins • 1 pt

Which of the following is an example of positive feedback to indirectly maintain homeostasis?

the chemical reactions involved in blood clotting
your blood vessels dilate and you begin to sweat in response to elevated body temperature
your blood vessels constrict and you begin to shiver in response to low body temperature
your coach compliments you on your performance in practice

3.

MULTIPLE CHOICE QUESTION

2 mins • 1 pt

Homeostasis in the human body is often maintained by a: 

neutral feedback loop 
solar feedback loop
positive feedback loop
negative feedback loop

4.

MULTIPLE CHOICE QUESTION

2 mins • 1 pt

Positive feedback is when the change caused by the stimulus is

decreased
non existant
increased
changes constantly

5.

MULTIPLE CHOICE QUESTION

3 mins • 1 pt

When you get cut, your skin cells release hormones that signal platelets to come and stop the bleeding. Platelets then release more hormones that signal even more platelets to help stop bleeding. The hormone signals continue until the cut is closed.

Positive Feedback Response
Negative Feedback Loop 

6.

MULTIPLE CHOICE QUESTION

3 mins • 1 pt

When you are cold, you shiver and your blood vessels contract, which warms you up. When you are hot, you sweat and your blood vessels expand, which cools you down.  

Positive Feedback Response
Negative Feedback Loop 

7.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

What is an example of a positive feedback mechanism?

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