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Nerve, Muscle & Specialized Cell Types for the MCAT: Help and Review 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 "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 is FALSE about synapses?

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Question 2 2. Membrane depolarization is caused by _____.

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Question 3 3. Which of the following is the best statement about the function of neurons?

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Question 4 4. Which of the following are the two main types of cell found in connective tissue?

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Question 5 5. Which of the following is the location where connective tissues attach to epithelial tissues?

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Page 2

Question 6 6. Mary has just had a baby in the middle of winter, and she is extremely anxious that her baby will be cold. Mary's doctor explains to her that her baby has an extra amount of a type of tissue that is designed to keep her baby warm. Which of the following types of tissue was Mary's doctor most likely talking about?

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Question 7 7. How is the process of trapping particles in mucus in the lungs helpful?

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Question 8 8. Which of these is one reason to cover damaged epithelium with a dressing?

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Question 9 9. A/an _____ is a group of organs and tissues that work together to perform a major function of the organism.

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Question 10 10.

Which of the following statements about troponin is NOT true?

I. Troponin monomers organize into the tropomyosin polymer.

II. Troponin regulates the actin-myosin binding mechanism.

III. Troponin function is dependent on a conformational change.

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Page 3

Question 11 11. Why does rigor mortis occur after a person dies?

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Question 12 12. What prevents actin and myosin from existing in a continuously bonded state?

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Question 13 13. Which of the following connects one sarcomere with another along the length of the myofibril?

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Question 14 14. What is the functional unit of a striated muscle?

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Question 15 15. Which of the following would be the smallest in diameter?

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Question 16 16. Oligodendrocytes _____.

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Question 17 17. Which of the following would NOT be a reason why the shape of astrocytes would increase their functionality?

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Question 18 18. Why might it make sense for a very high functioning brain to actually have LESS neurons but MORE neuroglia cells?

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Question 19 19. The nodes of Ranvier are _____.

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Question 20 20. Myelinated axons _____.

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Page 5

Question 21 21. What important role do Schwann cells perform?

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Question 22 22. Depolarize means:

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Question 23 23. A nerve cell with one extension connected to the cell body is called:

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Question 24 24. A nerve cell with dendrites and an axon is called:

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Question 25 25. Consider a running muscle composed of 40% fast, 40% slow, and 20% intermediate fibers. What effect would repeated distance running have on this muscle?

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Question 26 26. What is another name for intermediate muscle fibers?

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Question 27 27. Why are slow fibers surrounded by a large capillary network?

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Question 28 28. Which fibrous connective tissue connects bones to other bones?

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Question 29 29. If you examined an area in the body where a lot of muscles are connected together, such as the back, what are you likely to find?

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Question 30 30. What two things are connected by a tendon?

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Nerve, Muscle & Specialized Cell Types for the MCAT: Help and Review 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 "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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