9SCI Quiz Homeostasis & Stimulus-Response Pathway (LI1)

What is homeostasis?

• The process of cell division

• The maintenance of a stable internal environment

• The breakdown of glucose

• The process of photosynthesis

Tags

NGSS.HS-LS1-3

Which of the following is an example of a stimulus?

• Sweating

• Shivering

• A loud noise

• Breathing

Tags

NGSS.MS-LS1-8

What is the role of receptors in the stimulus-response pathway?

• To produce a response

• To detect changes in the environment

• To transport signals to the brain

• To maintain homeostasis

Tags

NGSS.MS-LS1-8

What is the correct order of the stimulus-response pathway?

• Response → Stimulus → Receptor → Effector

• Stimulus → Receptor → Control Centre → Effector → Response

• Receptor → Stimulus → Effector → Response

• Effector → Receptor → Stimulus → Response

Describe the stimulus-response pathway by using the example of touching a hot object.

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Tags

NGSS.MS-LS1-8

Which of the following is an effector in the human body?

• Brain

• Skin

• Muscle

• Blood

What is negative feedback in the context of homeostasis?

• A process that amplifies changes

• A process that reduces or reverses changes

• A process that has no effect on changes

• A process that initiates changes

Tags

NGSS.HS-LS1-3

Which of the following is an example of a negative feedback mechanism?

• Blood clotting

• Childbirth contractions

• Regulation of blood glucose levels

• Action potential in neurons

Tags

NGSS.HS-LS1-3

What is the primary function of the control centre in the stimulus-response pathway?

• To detect the stimulus

• To process the information and coordinate a response

• To carry out the response

• To amplify the stimulus

Mr Leonard running late for class and decides to sprint down the stairs so he can arrive on time. As he runs, he needs to maintain a steady supply of oxygen, nutrients, and water to his muscles, and also remove waste products like carbon dioxide and lactic acid.

Question:
Explain how the circulatory, respiratory, and muscular systems interact to meet the needs of his cells as he runs.

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Tags

NGSS.MS-LS1-3