Homeostasis & Feedback

Which of the following is an example of positive feedback?

• Blood clotting after an injury
• Regulation of blood glucose levels
• Regulation of blood pressure
• Regulation of body temperature

Tags

NGSS.HS-LS1-3

What is a feedback loop?

• A process of cell division
• A process that maintains homeostasis by responding to changes in the internal or external environment
• A process that breaks down molecules for energy
• A process of synthesizing proteins

Tags

NGSS.HS-LS1-3

What is the main difference between positive and negative feedback?

• Positive feedback amplifies a change, while negative feedback reverses a change
• Positive feedback and negative feedback have no effect on a change
• Positive feedback reverses a change, while negative feedback amplifies a change
• Positive feedback and negative feedback have the same effect on a change

Tags

NGSS.HS-LS1-3

Which of the following is an example of negative feedback?

• Blood clotting after an injury

• Regulation of body temperature

Tags

NGSS.HS-LS1-3

What is homeostasis?

• The process of maintaining a stable internal environment
• The process of breaking down molecules for energy
• The process of synthesizing proteins
• The process of cell division

Tags

NGSS.HS-LS1-3

Which of the following is an example of positive feedback?

• Regulation of blood glucose levels

• Regulation of blood pressure

• Blood clotting after an injury

Tags

NGSS.HS-LS1-3

What is the role of the hypothalamus in homeostasis?

• It controls the immune system

• It regulates body temperature and thirst

• It aids in digestion

• It helps in muscle contraction

Tags

NGSS.HS-LS1-3

What happens when there is a disruption in homeostasis?

• The body's internal environment remains stable

• The body's internal environment becomes unstable

• There is no effect on the body's internal environment

• The body's external environment becomes unstable

Tags

NGSS.HS-LS1-3

Which of the following is an example of positive feedback?

• Childbirth

• Regulation of blood glucose levels

• Regulation of blood pressure

• Regulation of body temperature

Tags

NGSS.HS-LS1-3