Praxis General Science: Human Body 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. Sodium-potassium pumps help maintain membrane polarization by _____.

Question 2 2. The ________ is the largest part of the human brain that surrounds most of the other brain structures.

Question 3 3. A/an ________ is a group of organs and tissues that work together to perform a major function of the organism.

Question 4 4. If a person suffered damage to the temporal lobe, which of the following is a likely consequence?

Question 5 5. Which of the following is a function of neutrophils?

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Question 6 6. Which extracellular matrix material is found in both Fibrous Connective Tissue and Loose Connective Tissue?

Question 7 7. What are true tissues?

Question 8 8. If you are being chased by a bear, your heart rate will speed up. This is a function of which of the following?

Question 9 9. Why would damaged epithelium be covered with a bandage?

Question 10 10. Why do complement proteins not mark or destroy the body's own cells?

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Question 11 11. Which term do we use to describe the region of the body that contains an animal's head?

Question 12 12. Nerves in this division of the PNS send messages to your muscles and glands to carry out the orders issued by the brain.

Question 13 13. In which part of the digestive system are glucose and other useful molecules absorbed?

Question 14 14. In the lungs, after oxygen leaves the air, where does it travel next?

Question 15 15. When the dendrite is in its resting state (i.e. the inside of the cell has a net negative charge and the outside of the cell has a net positive charge), its membrane is _____.

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Question 16 16. The cerebellum is important for _____.

Question 17 17. Which of the following is a true statement about bones?

Question 18 18. Which of the following explains why humans are unable to absorb enough oxygen through their skin?

Question 19 19. Cytotoxic T Cells kill what kind of cells?

Question 20 20. Which of the following is NOT a characteristic of multicellular organisms?

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Question 21 21. What is the job of the human body's pulmonary circuit?

Question 22 22. Which of the following is FALSE about synapses?

Question 23 23. Which of the following BEST explains how a muscle cell exerts force?

Question 24 24. Which of the following explains how a person straightens his arm at the elbow?

Question 25 25. Which of the following is NOT a function of an epithelial tissue?

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Question 26 26. The circulation of blood from the right side of the human heart to the lungs and back to the heart completes which circuit?

Question 27 27. The two main branches of the trachea that lead to the lobes of the lung are known as _____.

Question 28 28. Which of the following explains how the kidney concentrates urea in the renal tubules?

Question 29 29. High tensile strength is a characteristic of:

Question 30 30. Which of the following is smallest in size?

Praxis General Science: Human Body 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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