Homeostasis & Osmosis Quiz

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

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NGSS.HS-LS1-3

Homeostasis

• allows for a wildly fluctuating internal environment
• is impossible in vertebrates
• is the maintenance of a relatively stable internal environment and often incorporates a form of feedback regulation
• is the maintenance of a relatively stable external environment and often incorporates a form of feedback regulation

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NGSS.HS-LS1-3

Homeostasis in the human body is often maintained by a: 

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

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NGSS.HS-LS1-3

Positive feedback is when the change caused by the stimulus is

• decreased
• non existant
• increased
• changes constantly

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NGSS.HS-LS1-3

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 

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NGSS.HS-LS1-3

Water diffusing with the concentration gradient from high water concentration to low water concentration across a cell membrane is....

• Facilitated Diffusion
• Simple Diffusion
• Active Transport
• Osmosis

Which diagram represents an organ?

• #1
• #2
• #3
• #4

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NGSS.HS-LS1-2

Which is the largest structure?

• Cells
• Tissue
• Organ
• Organism

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NGSS.HS-LS1-2

The picture below is an example of _________________.

• osmosis

• isotonic

• diffusion

• active transport

Permeable means

• things can pass through

• the concentration levels are different

• it is permanent

• things are stuck

Tags

NGSS.HS-ESS2-5