AP Biology: The Circulatory, Respiratory, and Excretory Systems 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. Secretions from the _____, called _____, neutralize acid from the stomach in the small intestine.

Question 2 2. Connective tissues are cells that are surrounded by an extracellular matrix or non-cellular material. Which of the following is NOT part of an extracellular matrix?

Question 3 3. Which of the following is NOT a feature of hemoglobin?

Question 4 4. Which of the following explains how the kidney concentrates urea in the renal tubules?

Question 5 5. How is digesting food moved along the small intestine?

Page 2

Question 6 6. Fat is a very specialized type of loose connective tissue called adipose tissue. Which of the following is NOT a function of fat?

Question 7 7. In the lungs, after oxygen leaves the air, where does it travel next?

Question 8 8. Which of the following is NOT a function of an epithelial tissue?

Question 9 9. Which of the following is not true of cardiac muscle?

Question 10 10. Why would damaged epithelium be covered with a bandage?

Page 3

Question 11 11. The lymph nodes

Question 12 12. What is one reason that enzymes are present in the small intestine?

Question 13 13. Which of the following explains why humans are unable to absorb enough oxygen through their skin?

Question 14 14. Which of the following is NOT filtered out of the glomerular capillaries?

Question 15 15. In an open circulatory system:

Page 4

Question 16 16. Which of the following explains how a person straightens his arm at the elbow?

Question 17 17. Jellyfish have:

Question 18 18. Which of the following does the large intestine most likely absorb in digestion?

Question 19 19. What effect does high concentrations of carbon dioxide have on hemoglobin?

Question 20 20. The main function of a heart valve is to:

Page 5

Question 21 21. A young person comes into a doctor's office with severe arthritis in his joints, floppy-looking ears and a strangely shaped nose. Based only on these three observations, what type of connective tissue is functioning abnormally in this person?

Question 22 22. Which of the following is NOT true of a closed circulatory system?

Question 23 23. Dialysis closely mimics the function of which organ?

Question 24 24. Immature red blood cells contain which of the following:

Question 25 25. If oxygen-rich blood flows through a capillary that passes through tissue that is already saturated with oxygen, what will happen?

Page 6

Question 26 26. What forms must carbohydrates and proteins take to be absorbed by the small intestine?

Question 27 27. What do amylase and pepsin have in common?

Question 28 28. Hemolymph is found:

Question 29 29. Which of the following is a function of the liver?

Question 30 30. Hemoglobin acts primarily as _____.

AP Biology: The Circulatory, Respiratory, and Excretory Systems 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!

AP Biology: Exam Prep  /  Science Courses
Support