Human Anatomy & Physiology (2nd Edition)
2nd Edition
ISBN: 9780134553511
Author: Erin C. Amerman
Publisher: PEARSON
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Textbook Question
Chapter 10, Problem 20CYR
Which of the following best describes single-unit smooth muscle tissue?
a. The fibers function individually.
b. It is found in organs that require precise control of contraction.
c. It contains gap junctions that couple the fibers electrically.
d. The amount of tension produced varies with the number of muscle cells recruited.
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Which of the following characteristics does not apply to skeletal muscle tissue?
a.
striated
b.
voluntary
c.
multinucleated
d.
spindle shaped cells
e.
All of the above are correct
Skeletal muscle and cardiac muscle are similar in that both types of muscle a. have cells that branch. b. contain intercalated discs. c. are under involuntary control. d. are striated.
Which of the following statements relating to smooth muscle is true?
a. single-unit smooth muscles contract rhythmically due to gap junctions
b. multi-unit smooth muscles are arranged like skeletal muscle motor units
c. visceral smooth muscles exhibit spontaneous action potentials
d. multi-unit smooth muscles exhibit graded contractions in response to neural stimuli
e. all of the above
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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Need a deep-dive on the concept behind this application? Look no further. Learn more about this topic, biology and related others by exploring similar questions and additional content below.Similar questions
- Which component is responsible for initially stimulating a muscle contraction? a. proteins b. electrochemical signals c. plasma membranes d. striationsarrow_forwardMatch the following features of the muscle tissue. 1 Muscle tissue function. 2 It is a voluntary muscle. 3 It is striated and located in the heart. 4 It is striated and attached to bones. A. Contraction and movement. B. Cardiac Muscle. C. Skeletal Muscle D. Skeletal musclearrow_forwardWhat do skeletal muscle contractions share in common with smooth muscle contractions?a. Both types of contractions do not require calcium ions for a contraction to occur.b. Both types of contractions generate little force or a weak force.c. Both types of contractions consume very little ATP.d. Both types of contractions result from thick and thin filaments sliding past one another.arrow_forward
- Skeletal muscle cells are a. large multinucleate cells that arise by growth. b. large multinucleate cells that arise by fusion of smaller cells. c. small cells connected by many gap junctions. d. large cells with a single nucleus.arrow_forwardAll of the following characteristics apply to skeletal muscle except a. They are striated. b. They are multinucleated. c. They are voluntary. d. They contain intercalated discs. e. They are attached to the skeleton by means of tendons.arrow_forwardCardiac muscle cells differ from skeletal muscle cells because: a. They can respond to neurotransmitters.b. They are striated.c. They contain intercalated discs and gap junctions.d. They require calcium for contraction.arrow_forward
- When skeletal muscle fibers are damaged and die, they may be replaced with dense irregular collagenous connective tissue, commonly known as scar tissue. a. How do these two tissue types differ in structure?b. How do they differ in function?c. Predict the impact of such an injury to muscle tissue on the function of a whole skeletal muscle.arrow_forwardWhich of the following statements best describes the sliding filament mechanism of muscle contraction? a. Actin and myosin filaments do not shorten, but rather, slide past each other. b. Actin and myosin filaments shorten and slide past each other. c. As they slide past each other, actin filaments shorten, but myosin filaments do not shorten. d. As they slide past each other, myosin filaments shorten, but actin filaments do not shorten.arrow_forwardWhich of the following describes a similarity between cardiac and smooth muscle cells?a. An action potential always precedes contraction.b. The majority of the Ca21 that activates contraction comes from theextracellular fluid.c. Action potentials are generated by slow waves.d. An extensive system of T-tubules is present.e. Ca21 release and contraction strengths are gradedarrow_forward
- Which of the following statements is (are) accurate in regard to skeletal, cardiac, and smooth muscle tissues?a. Cardiac muscle is autorhythmic.b. Smooth muscle is voluntary.c. Skeletal muscle is arranged in sarcomeres.d. Skeletal, cardiac, and smooth muscle tissues are striated.e. Smooth muscle can be found in the walls of arteries and veins.arrow_forwardWhich of the following statements about skeletal muscle is CORRECT? Select one: a. An increase in Na+ concentration in the cytosol starts muscle filament sliding. b. The muscle is non-striated and involuntary. c. The muscle is involved in shivering thermogenesis. d. The muscle contracts in response to parasympathetic stimulation. e. The muscle contracts in response to hormones.arrow_forwardSkeletal muscle is composed of very hard workingcells. Which organelles do you expect to find in abundancein skeletal muscle cell?a. nucleib. striationsc. golgi bodiesd. mitochondriaarrow_forward
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