EP HUMAN BIOLOGY-MODIFIED MASTERING
8th Edition
ISBN: 9780134326436
Author: Johnson
Publisher: PEARSON CO
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Textbook Question
Chapter 4, Problem 6TY
What property do all muscle tissues have in common?
a. composed of collagen and elastin filaments
b. under conscious control
c. ability to form a communication network
d. ability to contract
e. cells are joined by tight junctions
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What property do all muscle tissues have in common?a. composed of collagen and elastin filamentsb. under conscious controlc. ability to form a communication networkd. ability to contracte. cells are joined by tight junctions
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 could prevent skeletal muscle from contracting?
Select one or more:
a. Preventing calcium from surrounding myofibrils.
b. Maintaining high levels of calcium around myofibrils
c. Preventing sodium from entering a cell
d. Allowing constant entry of sodium into a cell
Chapter 4 Solutions
EP HUMAN BIOLOGY-MODIFIED MASTERING
Ch. 4 - Health clinics sometimes cite retrospective...Ch. 4 - How important to you is FDA approval and/or...Ch. 4 - Describe some advantages and disadvantages of...Ch. 4 -
2. Name the four main types of tissues in the...Ch. 4 - Prob. 3CRCh. 4 - Prob. 4CRCh. 4 - List the 11 organ systems of the body and give at...Ch. 4 -
6. Define interstitial fluid.
Ch. 4 - Name the two cavities of the anterior body cavity...Ch. 4 - Prob. 8CR
Ch. 4 - Discuss the purpose of homeostasis in the body.Ch. 4 - Prob. 10CRCh. 4 -
1. Collagen and elastin fibers are typically...Ch. 4 -
2. Cells in cardiac muscle are able to contract...Ch. 4 - Which of the following membranes is not composed...Ch. 4 -
4. Exocrine and endocrine glands are types...Ch. 4 - Prob. 5TYCh. 4 - What property do all muscle tissues have in...Ch. 4 -
7. Injury to bone heals more quickly than injury...Ch. 4 - Which of the following tissues may be found in the...Ch. 4 - Which of the following is responsible for skin...Ch. 4 - Prob. 10TYCh. 4 - Prob. 11TYCh. 4 - Prob. 12TYCh. 4 - A substantial amount of nonliving extracellular...Ch. 4 - Prob. 14TYCh. 4 - Reducing food intake may lead to weight loss by...Ch. 4 -
1. Your roommate says that the concept of...Ch. 4 - What do you think would be some of the problems...Ch. 4 - Sherlock Holmes, the greatest fictional detective...Ch. 4 -
4. Dieting is difficult. People who do manage to...Ch. 4 - Fibrous connective tissue consists of ground...Ch. 4 -
6. By definition, an organ is a structure...
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- Which component is responsible for initially stimulating a muscle contraction? a. proteins b. electrochemical signals c. plasma membranes d. striationsarrow_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_forwardWhich of the following statements about the connective sheath of skeletal muscle is false? a. the endomysium wraps around every single muscle fiber b. the perimysium wraps around groups of muscle fibers c. the epimysium wraps around the whole muscle organ d. all of the above e. none of the abovearrow_forward
- Nutritional requirements of muscle tissue include which of the following?a. Essential amino acidsb. Potassiumc. Nucleic acidsd. Balanced incomplete proteinse. Cholesterolarrow_forwardA. nerve cell releases neurotransmitter which stimulates the muscle cell: B. calcium is released from sarcoplasmic reticulum and floods sarcoplasm; C. sarcolemma is permeable to sodium allowing sodium to rush into cell; D. myosin forms cross-bridges to pull actin into the center of the sarcomere; E. sarcolemma depolarizes and conducts an action potential Put them in orderarrow_forwardWhich of the following changes takes place when a skeletal muscle contracts?A. Z discs move farther apart.B. Actin filaments contract.C. Myosin filaments contract.D. Sarcomeres become shorter.arrow_forward
- Which of the following statements relating to the developmental aspects of muscles is false? a. All muscle tissue types arise from myoblasts b. Skeletal muscles become amitotic while smooth muscles regenerate throughout life c. Sarcopenia begins by age 30 and is irreversible d. Body strength per unit muscle mass is the same in both sexes e. none of the above Which of the following structures is located in the head region of the thick filament myosin? a. actin binding site b. ATP binding site c. ATPase enzyme d. all of the above e. none of the abovearrow_forwardWhen a muscle hypertrophies what happens on the cellular level: Select one: a. Myosin and actin increase in number b. Sarcomeres increase in size c. Muscle fibers increase in number d. All of the abovearrow_forwardWhich of the following is the site of calcium ion storage within muscles? a. T tubules b. sarcoplasmic reticulum c. actin filaments d. myosin filamentsarrow_forward
- What structure in skeletal muscle cells functions in calcium storage? a.myofibrillar network b.sarcoplasmic reticulum c.intermediate filament network d.mitochondriaarrow_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 sentences is NOT correct? A. White fibers make up fast-twitch muscle B. Muscle spindle is a type of receptor that detects muscle length C. Exocrine gland secretes its product directly into the bloodstream D. When an action potential is generated within a motor neuron, every muscle cell of the motor unit is stimulated to contractarrow_forward
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