Homeostasis Quiz

What is homeostasis?

• A process of maintaining a stable internal environment

• A process of maintaining a stable external environment

• A process of maintaining a fluctuating internal environment

• A process of maintaining a changing internal environment

Which of the following is NOT a condition that a cell in the body needs to function properly?

• Too much glucose and water

• Too acidic or too alkaline

• Too hot or too cold

• Too little glucose and water

What is the main function of automatic control systems in the body?

• All of the above

• To detect changes in the environment

• To interpret changes in the environment

• To carry out responses to changes in the environment

Which system sends fast and precise electrical impulses through nerves to allow quick responses to changes in the environment?

• Respiratory system

• Circulatory system

• Nervous system

• Endocrine system

What is the main difference between the endocrine system and the nervous system?

• Speed of response

• Duration of response

• All of the above

• Method of communication

What is the mechanism called that brings the levels of something back to normal through opposite changes?

• Positive feedback

• Balanced feedback

• Neutral feedback

• Negative feedback

If the body temperature gets too low, what response might be carried out by the effectors?

• Sweating

• Increased heart rate

• Muscle relaxation

• Shivering

What is the overall process of maintaining a stable internal environment for the body called?

• Negative feedback

• Homeostasis

• Receptor detection

• Automatic control systems