Human Biology: Concepts and Current Issues (8th Edition)
8th Edition
ISBN: 9780134042435
Author: Michael D. Johnson
Publisher: PEARSON
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Textbook Question
Chapter 6, Problem 2TY
Which of the following choices arranges the structures from the largest (most inclusive) to smallest? (1) muscle fiber, (2) fascicle, (3) myofibril, and (4) muscle
a. 1–2–3–4
b. 2–3–1–4
c. 4–2–1–3
d. 4–2–3–1
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Chapter 6 Solutions
Human Biology: Concepts and Current Issues (8th Edition)
Ch. 6 -
1. Do you think we should continue to try to...Ch. 6 - Prob. 2QCCh. 6 - Describe how muscle contraction can resist...Ch. 6 - Describe how a muscle's origin and insertion...Ch. 6 - Describe the roles of calcium in muscle...Ch. 6 -
4. Explain what causes rigor mortis.
Ch. 6 - Prob. 5CRCh. 6 - Prob. 6CRCh. 6 - Prob. 7CRCh. 6 -
8. Compare and contrast how a constant degree of...
Ch. 6 - Prob. 9CRCh. 6 - Prob. 10CRCh. 6 - Prob. 1TYCh. 6 -
2. Which of the following choices arranges the...Ch. 6 - All of the following are functions of the muscular...Ch. 6 -
4. Which of the following happens during muscle...Ch. 6 -
5. Botulism toxin inhibits the release of...Ch. 6 - The sliding filament mechanism describes the...Ch. 6 -
7. What is the first and most direct energy...Ch. 6 - As you clasp your hands in front of you and push...Ch. 6 -
9. All of the following may happen in response to...Ch. 6 - Which of the following is/are characteristic of...Ch. 6 - Which of the following is the site of calcium ion...Ch. 6 - What is the role of ATP in muscle function? a. ATP...Ch. 6 -
13. Which of the following would have motor units...Ch. 6 - Which type(s) of muscle cells can contract the...Ch. 6 - Prob. 15TYCh. 6 - Prob. 1AWKCh. 6 - Why do you think it is generally accepted medical...Ch. 6 - Prob. 3AWKCh. 6 - What would happen to a muscle if one of its...Ch. 6 - Prob. 5AWKCh. 6 - Prob. 6AWKCh. 6 - Prob. 7AWKCh. 6 - Prob. 8AWK
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- Which of the following would most likely cause hypertrophy of skeletal muscle in the arms Select one: a. using a computer for most of your job b. muscle cramps due to poor hydration c. immobilization due to wearing a cast d. working out by lifting weights O O O Oarrow_forwardThe bundle of dense regular connective tissue that attaches a skeletal muscle to bone is called a(n) a. tendon. b. ligament. c. endomysium. d. fascicle.arrow_forwardA decline in a skeletal muscle's ability to maintain a constant level of force or tension after prolonged repetitive stimulations is called A. complete tetanus B. recruitment C. fatique D. rigor mortisarrow_forward
- When the length of the muscle stays the same but the force increases during contraction it is referred to as an: A. Isotonic Contraction B. Isometric Contraction C. Isotreppid Contraction D. Isochronal Contractionarrow_forwardWhich of the following describes the addition of muscle fibers to take part in a contraction? a. summation b. recruitment c. tetany d. twitcharrow_forwardpart 1. Sarcolemma - a delicate cell membrane of the muscle cell 2. Nucleus - a rounded structure beneath the sarcoplasm 3. Sarcoplasm - a cytoplasm enclosed by the sarcolemma 4. Cross-striation - heavily shaded thin bands and light bands across the cell OBSERVATIONS: 1. What is the shape of the skeletal muscle fibers? 2. Draw and label the parts of the skeletal muscle fibers.arrow_forward
- When muscle fibers are stimulated so frequently they do not have an opportunity to relax, they are experiencing: a. unfused or incomplete tetanus. b. wave summation. c. fused or complete tetanus. d. twitch.arrow_forwardAn increase in the cross sectional area of muscle is known as hypertrophy. Hypertrophy allows muscle to produce more force due primarily to: a.) Increased number of potential cross bridges that can be formed (i.e., actin-myosin interactions) b.) Increased number of T-Tubules c.) Increased ability to activate the muscle d.) Increased calcium release from the sarcoplasmic reticulumarrow_forwardMuscle that has a striped appearance is described as being a. elastic b. nonstriated c. excitable d. striatedarrow_forward
- Mark the following statements as true or false. If a statement is false, correct it to make a true statement. a. Muscle fibers generate more tension if the starting length of their sarcomeres is very short. b. Stimulation by a motor neuron before a muscle fiber has fully relaxed results in a condition called wave summation. c. Muscles that require a great deal of precise control will have large motor units. d. A muscle fiber changes length during isotonic concentric and isotonic eccentric contractionsarrow_forwardWhich 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 abovearrow_forwardMuscle cramps are fundamentally an issue at the tissue level of organization due to an imbalance in the amounts of epithelial and connective tissues. A. True B. Falsearrow_forward
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