High School Health Science for Teachers: Help & Review  /  Science Courses

Test Prep Plan - Take a practice test

Take this practice test to check your existing knowledge of the course material. We'll review your answers and create a Test Prep Plan for you based on your results.
How Test Prep Plans work
1
Answer 50 questions
Test your existing knowledge.
2
View your test results
Based on your results, we'll create a customized Test Prep Plan just for you!
3
Study smarter
Study more effectively: skip concepts you already know and focus on what you still need to learn.

Homeostasis & the Human Body Chapter Exam

Exam Instructions:

Choose your answers to the questions and click 'Next' to see the next set of questions. You can skip questions if you would like and come back to them later with the yellow "Go To First Skipped Question" button. When you have completed the practice exam, a green submit button will appear. Click it to see your results. Good luck!

Page 1

Question 1 1. Which of the following best describes homeostasis?

Question 2 2. The state of being physiologically and psychologically in balance is referred to as what?

Question 3 3. How are endotherms able to maintain a stable body temperature that is several degrees warmer than their environment?

Question 4 4. Which of the following is an example of physiological homeostatic imbalance?

Question 5 5. When homeostatic controls break down diseases can result, such as this disease in which the body is unable to regulate blood glucose levels.

Page 2

Question 6 6. Which of the following variables do our bodies regulate:

Question 7 7. The words 'homeo' and 'stasis' mean:

Question 8 8. What is the maintenance of a stable internal environment within an organism commonly called?

Question 9 9. A man is standing outdoor and feels a sudden chill. He notices the hair raising on his arms. Why do the hairs on a people's arms raise?

Question 10 10. Homeostasis is maintained through control systems. A control system consists of a __________ that monitors the value of a physiological variable, a __________ that compares the value of the variable to the desired value or __________, and an __________ that implements the compensatory changes.

Page 3

Question 11 11. Which method do humans use to lower their internal body temperature?

Question 12 12. Control systems that tend to reduce the difference between the desired value of a variable and the observed value are called

Question 13 13. This mechanism is in play when the original state is restored due to a response that opposes that change.

Question 14 14. Which of the following is an example of psychological homeostatic imbalance?

Question 15 15. When something prevents a person's body or mind from adapting or restoring equilibrium, they are experiencing which of the following?

Page 4

Question 16 16. The disruptions to psychological homeostasis are referred to as what?

Question 17 17. Which of the following is a good definition of homeostasis?

Question 18 18. In ectotherms, what controls body temperature?

Question 19 19. When your body gets too hot, the change is reported to this center, which could be called your body's thermostat.

Question 20 20. Communication within your body is needed for homeostasis. Which system(s) provides this communication?

Homeostasis & the Human Body Chapter Exam Instructions

Choose your answers to the questions and click 'Next' to see the next set of questions. You can skip questions if you would like and come back to them later with the yellow "Go To First Skipped Question" button. When you have completed the practice exam, a green submit button will appear. Click it to see your results. Good luck!

Support