Praxis Biology & General Science: Circulatory, Digestive & 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!

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Question 1 1. Which extracellular matrix material is found in both Fibrous Connective Tissue and Loose Connective Tissue?

Question 2 2. What is the function of red blood cells in the human body?

Question 3 3. Which of the following is not true of cardiac muscle?

Question 4 4. Which of the following is the basic building block of a carbohydrate?

Question 5 5. 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?

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Question 6 6. Which of the following is NOT filtered out of the glomerular capillaries?

Question 7 7. 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 8 8. Which of the following is a true statement about bones?

Question 9 9. What do amylase and pepsin have in common?

Question 10 10. When does maximum secretion of hydrochloric acid and pepsinogen in the stomach occur?

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Question 11 11. The two circuits that work together in a double circulation system are:

Question 12 12. What is hemoglobin composed of?

Question 13 13. Which of the following is NOT a feature of alveoli?

Question 14 14. What is one reason that enzymes are present in the small intestine?

Question 15 15. Arteries always transport:

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Question 16 16. Why would damaged epithelium be covered with a bandage?

Question 17 17. Which of the following is smallest in size?

Question 18 18. Which of the following is NOT a characteristic of multicellular organisms?

Question 19 19. What forms must carbohydrates and proteins take to be absorbed by the small intestine?

Question 20 20. Which of the following explains how a person straightens his arm at the elbow?

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Question 21 21. Jellyfish have:

Question 22 22. Which of the following explains how the kidney concentrates urea in the renal tubules?

Question 23 23. In an open circulatory system:

Question 24 24. How do you know that the process of trapping particles in mucous in the lungs is helpful?

Question 25 25. Secretions from the _____, called _____, neutralize acid from the stomach in the small intestine.

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Question 26 26. Which of these blood vessels brings oxygenated blood from the lungs back to the heart?

Question 27 27. Hemolymph is found:

Question 28 28. Once generated, immature red blood cells, _____

Question 29 29. Hemoglobin acts primarily as _____.

Question 30 30. If oxygen-rich blood flows through a capillary that passes through tissue that is already saturated with oxygen, what will happen?

Praxis Biology & General Science: Circulatory, Digestive & 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!

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