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Question 11.Which of the following ions stimulates neurotransmitter secretion?
Question 22.Which of the following regulates smooth muscle but not striated muscle contraction?
Question 33.How does shivering thermogenesis aid in the homeostatic regulation of body temperature?
Question 44.How is the energy from ATP hydrolysis used?
Question 55.All of the following terms describe a type of muscle tissue EXCEPT _____.
Question 66.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 77.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 88.During which stage of the cross-bridge cycle does the sarcomere shorten?
Question 99.Which structure is responsible for carrying the excitatory neural impulse from the sarcolemma to the sarcoplasmic reticulum?
Question 1010.Which proteins form a cross-bridge, causing muscular contraction?
Question 1111.Within the individual myofibril of the muscle cell are repeating units that run end-to-end along the length of the myofibril. What are these units called?
Question 1212.Consider a running muscle composed of 40% fast, 40% slow, and 20% intermediate fibers. What effect would repeated distance running have on this muscle?
Question 1313.Which of the following is NOT characteristic of fast muscle fibers?
Question 1414.Which type, or types, of muscle tissue innervate the somatic nervous system?
Question 1515.How does the sarcomere contribute to the functionality of skeletal muscle?
Question 1616.What happens if a muscle's sarcomeres shorten?
Question 1717.Which of the following structures are optimally arranged to maximize contraction?
Question 1818.Which of the following is a neuromuscular disease resulting from destruction of the acetylcholine receptor?
Question 1919.Which of the following occurs first in a single cross bridge cycle, beginning with the high-energy/attached stage?
Question 2020.If a muscle is held at a shortened resting length, then why is tension development compromised?
Question 2121.Skeletal muscle contraction without muscle shortening is responsible for which of the following?
Question 2222.Which of the following proteins makes up the thin filaments and binds to the ends of the sarcomere at the Z lines?
Question 2323.Which of the following would be an accurate comparison of a small motor unit to a large motor unit?
Question 2424.Which of the following would be the smallest in diameter?
Question 2525.What is the functional unit of a striated muscle?
Question 2626.If a person is undergoing strength conditioning, then what will happen to their muscles?
Question 2727.In a neuromuscular junction, which of the following is considered the pre-synaptic cell?
Question 2828.What structure attaches a skeletal muscle to a bone?
Question 2929.Which of the following is NOT true of a maximum contraction?
Question 3030.Which of the following is composed of muscle tissue surrounding a hollow organ?
Muscle Physiology Chapter Exam Instructions
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