Muscular System 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 ions stimulates neurotransmitter secretion?

Question 2 2. Which of the following would be the smallest in diameter?

Question 3 3. Which of the following would be an accurate comparison of a small motor unit to a large motor unit?

Question 4 4. Which proteins form a cross-bridge, causing muscular contraction?

Question 5 5. How is the energy from ATP hydrolysis used?

Page 2

Question 6 6. If a person is undergoing strength conditioning, then what will happen to their muscles?

Question 7 7. The special type of muscle which regulates the opening of our digestive and urinary systems is:

Question 8 8. What structure attaches a skeletal muscle to a bone?

Question 9 9. Henry is getting ready to kick a field goal. When his thigh muscle contracts to straighten his knee right before the kick, this is known as _____ contractions?

Question 10 10. When speaking of muscular contraction, the attachment of myosin with actin within the muscle cell is referred to as:

Page 3

Question 11 11. Which type, or types, of muscle tissue innervate the somatic nervous system?

Question 12 12. Which of the following must happen to detach the cross-bridge between actin and myosin?

Question 13 13. Skeletal muscle functions are divided into two basic categories. These are:

Question 14 14. Which of the following is NOT characteristic of fast muscle fibers?

Question 15 15. In the search for his shoes, Jack stepped on a nail. The pain caused him to step back and fall. Which type of muscle tissue, or tissues, aided in Jack's reaction?

Page 4

Question 16 16. Our bodies are made of all types of the following tissues EXCEPT FOR:

Question 17 17. Which of the following is composed of muscle tissue surrounding a hollow organ?

Question 18 18. An isolated muscle is stimulated with increasing stimulus strength. Stimuli of 10, 15 and 20 mV produced no response, while 25 mV produced a small contraction. Which of the following is the threshold stimulation?

Question 19 19. Which of the following is the proper sequence of ATP provision during exercise?

Question 20 20. Consider a drug that inhibits the acetylcholine receptor in the neuromuscular junction. Which of the following would be a likely side effect of this drug?

Page 5

Question 21 21. Molecules stored in a muscle's pre-synaptic cells that are secreted into the synapse are:

Question 22 22. In order for skeletal muscle to contract, it must be stimulated by:

Question 23 23. The two proteins responsible for causing muscle contractions are:

Question 24 24. A functional unit of striated muscle that contains all of the tools necessary for contraction is:

Question 25 25. The synapse between a motor neuron and a skeletal muscle is referred to as a:

Page 6

Question 26 26. Gene is assigned a lab project for his class focusing on muscle tissue. The instructor gave Gene slides with different muscle tissue, and he has to correctly label each slide. He inserts the first slide under the microscope. How could Gene determine that the slide he is looking at is smooth muscle tissue?

Question 27 27. Muscles are composed of _____, which are made up of multiple muscle fibers innervated by a single motor neuron.

Question 28 28. In a relaxed muscle, what covers the myosin binding sites that are on actin to prevent a cross-bridge from forming?

Question 29 29. What is another name for motor unit summation?

Question 30 30. How long do ATP and creatine phosphate last during exercise?

Muscular System 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!

UExcel Anatomy & Physiology: Study Guide & Test Prep  /  Science Courses
Support