Essentials of Human Anatomy & Physiology, Books a la Carte Edition (12th Edition)
12th Edition
ISBN: 9780134593647
Author: Elaine N. Marieb, Suzanne M. Keller
Publisher: PEARSON
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Textbook Question
Chapter 6, Problem 3MC
Your ability to lift that heavy couch would be increased by which type of exercise?
a. Aerobic
b. Endurance
c. Resistance
d. Swimming
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Through which ATP-generating mechanism can long-lasting muscle contractions be sustained? a. oxidative catabolism b. glycolysis c. creatine phosphate reaction d. anaerobic catabolism
The excess ATPs are stored in muscles as CPs?
A. True
B. False
In which of the following types of exercise would creatine phosphate (CP) be an important source of energy?
A. Running a half-marathon
B. Biking up a mountain
C. 50-meter free style swimming race
D. Cross-country skiing
Chapter 6 Solutions
Essentials of Human Anatomy & Physiology, Books a la Carte Edition (12th Edition)
Ch. 6 - If you compare electron micrographs of a relaxed...Ch. 6 - After ACh attaches to its receptors at the...Ch. 6 - Your ability to lift that heavy couch would be...Ch. 6 - 4. Doing the pincer grasp is an ___________...Ch. 6 - 5. Which are ways in which muscle names have...Ch. 6 - 6. Which of the following muscles attach to the...Ch. 6 - Which of these thigh muscles causes movement at...Ch. 6 - 8. Which of the following insert on the...Ch. 6 - What is major function of muscle?Ch. 6 - Compare skeletal, smooth, and cardiac muscles in...
Ch. 6 - What two types of muscle tissue are striated?Ch. 6 - 12. Why are the connective tissue wrappings of...Ch. 6 - Prob. 13SAECh. 6 - Prob. 14SAECh. 6 - Prob. 15SAECh. 6 - Prob. 16SAECh. 6 - Prob. 17SAECh. 6 - Prob. 18SAECh. 6 - 19. List the 12 body movements studied in this...Ch. 6 - Prob. 20SAECh. 6 - If you were alternately contracting and relaxing...Ch. 6 - The sternocleidomastoid muscles help to flex the...Ch. 6 - Prob. 23SAECh. 6 - Name the prime mover of elbow flexion. Name its...Ch. 6 - Prob. 25SAECh. 6 - The hamstring and quadriceps muscle groups are...Ch. 6 - 27. What two-bellied muscle makes up the calf...Ch. 6 - 28. What happens to muscles when they are...Ch. 6 - Prob. 29SAECh. 6 - 30. Should a triathlete engage in aerobic or...Ch. 6 - Prob. 31SAECh. 6 - Prob. 32SAECh. 6 - Prob. 33CTCh. 6 - Prob. 34CTCh. 6 - Prob. 35CTCh. 6 - 36. When Eric returned from jogging, he was...Ch. 6 - 37. Chemical A binds and blocks acetylcholine...Ch. 6 - Kendra’s broken leg was in a cast for 8 weeks....
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- Why do you think a person is able to perform anaerobic exercise (such as lifting and holding a heavy weight) only briefly but can sustain aerobic exercise (such as walking or swimming) for long periods? (Hint: Muscles have limited energy stores.)arrow_forwardWhich statement is accurate about an agonist? a. It opposes the function of the prime mover. b. It is the primary muscle that produces a movement. c. It functions primarily to stabilize a joint. d. Its muscle fibers are always circular in structure.arrow_forwardA.What type of contractions do skeletal muscles do? B. What type of contractions do cardiac muscles do? C.a. What type of contractions do smooth muscles do?arrow_forward
- Deliberately shifting equilibrium in the body provides some advantages. Explain why some athletes train at high altitudes.arrow_forwardOne of the primary reasons that one individual is faster in a 50-meter sprint than another is a. a greater number of muscle fibers of smaller diameter. b. more oxidative fibers in the lower limb muscles. c. an enhanced ability to deliver oxygen to the muscles. d. a greater percentage of fast-twitch fibers in the lower limb muscles.arrow_forwardWhich of the following does NOT have striated muscles? a. abdomen b. arm c. hamstring d. liverarrow_forward
- Which is a false statement about skeletal muscle structure?a. A myofibril is composed of multiple muscle fibers.b. Most skeletal muscles attach to bones by connective-tissue tendons.c. Each end of a thick filament is surrounded by six thin filaments.d. A cross-bridge is a portion of the myosin molecule.e. Thin filaments contain actin, tropomyosin, and troponin.arrow_forwardMuscles may be named using? a. speed b. age c. action d. myofilament typearrow_forwardWhich one of the following is not a reason why sports performers might take performance enhancing drugs? Question 17Answer a. To develop their technical sports skills b. To boost their physical performance c. To enable them to train harder d. Financial benefits from successful sports performancearrow_forward
- In muscle cells, magnesium ions compete with calcium ions for binding sites on troponin molecules. If a person has too high a concentration of magnesium ions in the blood, magnesium ions can prevent calcium ions from binding troponin. A) What effect would this have on muscle contraction (strengthen, weaken, or no effect)? B) Use your knowledge of how muscle fibers contract to explain your answer in part A.arrow_forwardWhich of the following statements about movement and locomotion isfalse?a. Terrestrial animals and flying animals expend energy to provide lift.b. Swimming animals expend energy to provide thrust but not lift.c. Flexors and extensors are examples of muscles called agonists.d. Flexors cause bending at a joint.e. Extensors cause straightening of a limb.arrow_forwardWhat is the ideal post-workout diet to consume in order to promote muscle recovery?A. White bread B. A banana C. A protein shake D. Olive oil..arrow_forward
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