Human Anatomy & Physiology (2nd Edition)
2nd Edition
ISBN: 9780134553511
Author: Erin C. Amerman
Publisher: PEARSON
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Textbook Question
Chapter 10, Problem 11CYR
Which of the following energy sources would provide the majority of the ATP for a person running a 26-mile marathon?
a. Stored ATP
b. Glycolytic catabolism
c. Oxidative catabolism
d. Creatine phosphate
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Mark the following statements as true or false. If a statement is false, correct it to make a true statement. a. Stored ATP and creatine phosphate are immediate energy sources for muscle fibers. b. Glycolytic catabolism occurs in the mitochondria and requires oxygen. c. Glycolytic catabolism provides enough ATP to fuel from several minutes to a few hours of activity. d. Oxidative catabolism may oxidize the products of glycolysis, fatty acids, and amino acids
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
Which of the following is NOT a stock form of the key molecules for energy generation in muscle?
A. Creatine phosphate
B. Hemoglobin
C. Glycogen
D. Myoglobin
Chapter 10 Solutions
Human Anatomy & Physiology (2nd Edition)
Ch. 10.1 - What are the two types of striated muscle?Ch. 10.1 - Which two types of muscle are involuntary?Ch. 10.1 - What is the basic function of all types of muscle...Ch. 10.1 - 4. What five properties are common to all muscle...Ch. 10.1 - Prob. 5QCCh. 10.2 - Prob. 1QCCh. 10.2 - How are the terminal cisternae related to the...Ch. 10.2 - Prob. 3QCCh. 10.2 - How does the arrangement of myofilaments produce...Ch. 10.2 - 5. Describe the structure of a sarcomere. What is...
Ch. 10.2 - Prob. 6QCCh. 10.2 - Describe the structures of thin filaments, thick...Ch. 10.2 - Prob. 8QCCh. 10.3 - What is the resting membrane potential?Ch. 10.3 - Prob. 2QCCh. 10.3 - 3. How do the electrochemical gradients for...Ch. 10.3 - What two factors generate the resting membrane...Ch. 10.3 - What is an action potential?Ch. 10.3 - What happens during the two phases of an action...Ch. 10.4 - Prob. 1QCCh. 10.4 - Prob. 2QCCh. 10.4 - 3. How does excitation from a neuron trigger...Ch. 10.4 - How are excitation and contraction coupled?Ch. 10.4 - What are the steps of the crossbridge cycle?Ch. 10.4 - Prob. 6QCCh. 10.5 - What are the two immediate energy sources for...Ch. 10.5 - How long can these immediate energy sources fuel...Ch. 10.5 - Prob. 3QCCh. 10.5 - Prob. 4QCCh. 10.5 - Prob. 5QCCh. 10.5 - Prob. 6QCCh. 10.5 - Prob. 7QCCh. 10.6 - What is a twitch contraction?Ch. 10.6 - What are the phases of a twitch contraction?Ch. 10.6 - How does the timing of a stimulus impact the...Ch. 10.6 - 4. How do fused and unfused tetanus differ?
Ch. 10.6 - 5. At what length will a sarcomere be able to...Ch. 10.6 - How do type I and type II muscle fibers differ?Ch. 10.7 - Prob. 1QCCh. 10.7 - 2. Explain the process of recruitment.
Ch. 10.7 - Prob. 3QCCh. 10.7 - 4. How do isotonic concentric, isotonic...Ch. 10.8 - Prob. 1QCCh. 10.8 - Prob. 2QCCh. 10.8 - Prob. 3QCCh. 10.8 - What conditions does excess postexercise oxygen...Ch. 10 - Mark the following statements as true or false. If...Ch. 10 - How does a skeletal muscle fiber differ...Ch. 10 - Thick filaments are composed of the protein a....Ch. 10 - Prob. 4CYRCh. 10 - Prob. 5CYRCh. 10 - Mark the following statements as true or false. If...Ch. 10 - Prob. 7CYRCh. 10 - 8. Order the following events of excitation and...Ch. 10 - 9. Which of the following statements accurately...Ch. 10 - 10. A muscle fiber relaxes when:
a. the...Ch. 10 - Which of the following energy sources would...Ch. 10 - 12. Mark the following statements as true or...Ch. 10 - Prob. 13CYRCh. 10 - 14. Muscle tone is:
a. the result of voluntary...Ch. 10 - Prob. 15CYRCh. 10 - Which of the following is not likely to result...Ch. 10 - Which of the following factors is/are responsible...Ch. 10 - 18. What is thought to cause excess postexercise...Ch. 10 - Prob. 19CYRCh. 10 - 20. Which of the following best describes...Ch. 10 - Mark the following statements as true for smooth...Ch. 10 - Prob. 1CYUCh. 10 - Prob. 2CYUCh. 10 - 3. The drug neostigmine blocks the activity of...Ch. 10 - Explain why cardiac muscle cells and some smooth...Ch. 10 - Prob. 1AYKACh. 10 - Prob. 2AYKACh. 10 - Prob. 3AYKACh. 10 - Prob. 4AYKACh. 10 - Prob. 5AYKBCh. 10 - Prob. 6AYKB
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- The energy for muscle contraction is most directly obtained from a.phosphocreatine. b.ATP. c.anaerobic respiration. d.aerobic respiration.arrow_forwardMuscle soreness and fatigue in a racehorse after a long, strenuous race is a result of in the muscle. A. anaerobic metabolism, which leads to lactic acid buildup B. aerobic metabolism, which leads to buildup of carbon dioxide C. aerobic metabolism, which leads to lactic acid deficiency D. anaerobic metabolism, which leads to ATP builduparrow_forwardThrough which ATP-generating mechanism can long-lasting muscle contractions be sustained? a. oxidative catabolism b. glycolysis c. creatine phosphate reaction d. anaerobic catabolismarrow_forward
- Name the primary sources of ATP for:a. Immediate energy for a few secondsb. Energy extending to about 15 secondsc. Energy for up to 1 minute.d. Energy extending for around an hour of exercise and beyond.arrow_forwardUnder what conditions will lactic acid accumulate in skeletal muscle? A. when citric acid enzymes are depleted B. when ATP is depleted C. when O2 is depleted D. when NADH is depletedarrow_forwardAn athlete participates in aerobic exercise three times a week. One of the changes is an increased ability to deliver oxygen to her skeletal muscles. Over time she notices that she can continue the exercise with greater intensity and duration. The reason for this change is that there is a(n) a. greater response from phosphate transfer. b. greater production of ATP from glycolysis and less from aerobic cellular respiration. c. greater production of ATP from aerobic cellular respiration. d. increased production of lactate.arrow_forward
- In the presence of high ratio of NADH/NAD in a muscle cell glucose will continue towards which metabolic pathway: a. Formation of lactic acid b. Formation of acetyl CoA c. Storage of glycogen d. Production of 34 ATP + H20 and CO2 e. Krebs cyclearrow_forwardWhen an animal dies, its limbs and body become stiff because its muscles go into rigor mortis (literally, rigor mortis means “stiffness of death”). Why would the loss of ATP following death cause this to happen?arrow_forwardThe “glycolytic” white fibers in Human Skeletal Muscle: a. lack myosin b. are used for rapid contraction “burst” exercise c. oxidize glucose to pyruvate and then release lactic acid into the bloodstream d. produce ketone bodies e. produce ethanolarrow_forward
- Which of the following is an effect of training on the oxidative system? A. It increases vascularization within the muscles. B. It increases the number and size of mitochondria within the muscle-fibers. C. It increases the activity of the enzymes involved D. all of the abovearrow_forwardwhat does paying back the oxygen debt after muscle activity involve ? b. storing gylcogen in the blood as glucose molecus are stoned in this tissue c. reconcertig latic acid to pyruvic acid & replenishing ATP and gylogen stores . d. breaking down lipid molecusles to replenish the amount of avaible atparrow_forwardWhich of the following best describes the DIFFERENCE between aerobic and anaerobic? A. aerobic respiration involves oxygen B. anaerobic respiration involves oxygen C. aerobic respiration occurs during glycolysis and anaerobic during the citric acid cycle and electron transport D. anaerobic respiration produces a much greater amount of ATP compared to aerobicarrow_forward
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