Biology 2e
2nd Edition
ISBN: 9781947172517
Author: Matthew Douglas, Jung Choi, Mary Ann Clark
Publisher: OpenStax
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Textbook Question
Chapter 33, Problem 36CTQ
When a person leads a sedentary life his skeletal muscles atrophy, but his smooth muscles do not. Why?
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Which of the following statements regarding skeletal muscle is NOT true?
Skeletal muscle is responsible for overall body motility.
Skeletal muscle can contract rapidly and can maintain the contraction for long periods of activity
.Skeletal muscle can exert tremendous power.
Skeletal muscle is called voluntary muscle because it is the only type subject to conscious control.
Which of the following best describe skeletal muscle tissue?
O It is under involuntary control.
O It is striated and lines the walls of internal organs.
O It is under voluntary control and contains intercalated discs
O It is striated and contains multiple nuclei.
Why is it important that skeletal muscle tissues work voluntarily and smooth and cardiac muscle tissues are involuntary?
Chapter 33 Solutions
Biology 2e
Ch. 33 - Figure 33.11 Which of the following statements...Ch. 33 - Figure 33.21 State whether each of the following...Ch. 33 - Figure 33.23 When bacteria are destroyed by...Ch. 33 - Which type of animal maintains a constant internal...Ch. 33 - The symmetry found in animals that move swiftly is...Ch. 33 - What term describes the condition of a desert...Ch. 33 - A plane that divides an animal into equal right...Ch. 33 - A plane that divides an animal into dorsal and...Ch. 33 - The pleural cavity is a part of which cavity?...Ch. 33 - How could the increasing global temperature...
Ch. 33 - Although most animals are bilaterally symmetrical,...Ch. 33 - Which type of epithelial cell is best adapted to...Ch. 33 - Which type of epithelial cell is found in glands?...Ch. 33 - Which type of epithelial cell is found in the...Ch. 33 - Which type of connective tissue has the most...Ch. 33 - Which type of connective tissue has a mineralized...Ch. 33 - The cell found in bone that breaks it down is...Ch. 33 - The cell found in bone that makes the bone is...Ch. 33 - Plasma is the. fibers in blood matrix of blood...Ch. 33 - The type of muscle cell under voluntary control is...Ch. 33 - The part of a neuron that contains the nucleus is...Ch. 33 - Why are intercalated discs essential to the...Ch. 33 - When faced with a sudden drop in environmental...Ch. 33 - Which is an example of negative feedback? lowering...Ch. 33 - Which method of heat exchange occurs during direct...Ch. 33 - The body’s thermostat is located in the...Ch. 33 - Which of the following is not true about...Ch. 33 - Which of the following is not a way that...Ch. 33 - How does diffusion limit the size of an organism?...Ch. 33 - What is the relationship between BMR and body...Ch. 33 - Explain how using an open circulatory system...Ch. 33 - Describe one key environmental constraint for...Ch. 33 - How can squamous epithelia both facilitate...Ch. 33 - What are the similarities between cartilage and...Ch. 33 - Multiple sclerosis is a debilitating autoimmune...Ch. 33 - When a person leads a sedentary life his skeletal...Ch. 33 - Why are negative feedback loops used to control...Ch. 33 - Why is a fever a “good thing” during a bacterial...Ch. 33 - How is a condition such as diabetes a good example...Ch. 33 - On a molecular level, how can endotherms produce...
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- Which of the following muscle types and characteristic is correctly matched? Smooth muscle : Ca-calmodulin regulation of myosin light chain kinase Cardiac muscle : calcium only from the sarcoplasmic reticulum Cardiac muscle : dense body anchoring proteins Skeletal muscle : varicosity at neuromuscular junctionsarrow_forwardThe statement "Homeostasis is only concerned with external working conditions", is it true or false?arrow_forwardThe following is NOT a role of muscle tissue: support weight of visceral organs push on bones to initiate movement help maintain body temperature regulate the movement of materials through body openings Which of the following does NOT accurately describe tendons? "Continuous with the epimysium, perimysium, and endomysium" Larger in diameter than muscles. Attach a muscles to bones Cords of fibrous connective tissuearrow_forward
- The epimysium, perimysium, and endomysium are made up of . tissue. nerve connective epithelial muscle Titin molecules are found in the, of a muscle fiber. myosin actin elastic filaments nucleiarrow_forwardWhat kind of muscle tissue is found surrounding the urinary bladder? a. cardiac b. skeletal c. striated d. smootharrow_forwardWhy 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_forward
- What stimulates Golgi tendon organs? A muscle is contracting with minimal tension. A muscle is stretched nearly to its limit. A muscle has become metabolically active. A muscle starts to relax after strenuous exercise.arrow_forwardTetanus is a disease caused by Clostridium tetani characterized by muscle spasms. Just like the toxin produced by Clostridium botulinum, this toxin produced by C. tetani interferes with muscle contractions. Where botulina toxin causes paralysis, C. tetani toxin causes muscle spasms and painful contractions lasting minutes at a time. Additional symptoms include stiffness and rigidity of muscles. Using your knowledge of how muscles contract explain what steps within a muscle contraction are being interfered with to cause these symptoms?arrow_forwardWhich of the following statements are true? Multiple Choice Muscles work in antagonistic pairs because if one muscle shortens during contraction, the opposing muscle across the joint must relax. Muscles work in antagonistic pairs because tendons lengthen during contraction. Muscles work in antagonistic pairs because muscles lengthen during contraction. Muscles work in antagonistic pairs because if one muscle pushes during contraction, the opposing muscle across the joint must pull.arrow_forward
- Fill in the appropriate type(s) of muscle: Contracts rhythmically and spontaneously:_______ ;is controlled voluntarily:________ ; contains orderly arrangements of fibrous proteins, giving a striped appearance:_________ ; is under involuntary control:________; is found in the walls of the digestive tract:_______; moves the skeleton:________ .arrow_forwardWhich of the following correctly states the importance of an action potential to muscle contration? The SR will only release Ca2+ if it has been electrically stimulated. Sarcomeres require a negative electrical charge to start sliding. Actin and myosin must be electrically charged to create a cross-bridge. ATP cannot be split into ADP and Pi without an action potential.arrow_forwardThe changes related to muscle mobility are the most obvious in older adult. There can be measurable differences in muscle strength, endurance, range of motion, coordination, elasticity, and flexibility of connective tissue. Regular exercise is necessary to prevent a decrease in muscle strength. Exercise helps to strengthen muscles and keeps joints, tendons, and ligaments more flexible, allowing for a more active lifestyle. Please research and describe some activities you could recommend to an elderly patient to stay active to help them maintain muscle massarrow_forward
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