Seeley's Anatomy & Physiology
11th Edition
ISBN: 9781259254963
Author: Jennifer Regan (author), Andrew Russo (author), Rod Seeley (author) Cinnamon Vanputte (author)
Publisher: McGraw Hill Higher Education
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Chapter 9, Problem 21RAC
Summary Introduction
Introduction:
Every athlete therefore develops a physique that is typical for that specific sport.long distance runnershave a rather wiry physique yet sprintersare very muscular, even though the movement and thus the muscle groups they train are very similar. The secret therefore lies not in the movement, but in the intensity and duration.
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Chapter 9 Solutions
Seeley's Anatomy & Physiology
Ch. 9.1 - List and describe the functions performed by...Ch. 9.1 - State the functions of smooth and cardiac muscle...Ch. 9.1 - Using table 9.1, distinguish among skeletal,...Ch. 9.2 - Identify the four specialized functional...Ch. 9.2 - Outline the differences in control and function...Ch. 9.3 - Name the connective tissue layers that surround...Ch. 9.3 - What are motor neurons? How do the axons of motor...Ch. 9.3 - What is the origin of muscle fibers? How do you...Ch. 9.3 - What are T tubules and the sarcoplasmic reticulum?Ch. 9.3 - Prob. 10AYP
Ch. 9.3 - Prob. 11AYPCh. 9.3 - Prob. 12AYPCh. 9.3 - Prob. 13AYPCh. 9.3 - Prob. 14AYPCh. 9.3 - Prob. 15AYPCh. 9.3 - Prob. 16AYPCh. 9.3 - Prob. 17AYPCh. 9.4 - What type of ion channel contributes to the...Ch. 9.4 - What are the two types of gated ion channels in...Ch. 9.4 - Prob. 20AYPCh. 9.4 - Prob. 21AYPCh. 9.4 - List the two types of voltage-gated channels the...Ch. 9.4 - Prob. 23AYPCh. 9.4 - Prob. 24AYPCh. 9.4 - Prob. 25AYPCh. 9.4 - Prob. 26AYPCh. 9.4 - Describe the structure of a neuromuscular...Ch. 9.4 - Prob. 28AYPCh. 9.4 - Prob. 29AYPCh. 9.4 - Prob. 30AYPCh. 9.4 - Prob. 31AYPCh. 9.4 - What ion is necessary for movement of the...Ch. 9.4 - Describe the steps in cross-bridge cycling. How is...Ch. 9.4 - Prob. 34AYPCh. 9.5 - List the phases of a muscle twitch, and describe...Ch. 9.5 - Prob. 36AYPCh. 9.5 - Prob. 37AYPCh. 9.5 - Prob. 38AYPCh. 9.5 - Prob. 39AYPCh. 9.5 - How does the lack of on unresponsive period in...Ch. 9.5 - Distinguish between active tension and passive...Ch. 9.5 - Prob. 42AYPCh. 9.5 - Prob. 43AYPCh. 9.5 - What is muscle tone, and how is it maintained?Ch. 9.6 - Contrast the structural and physiological...Ch. 9.6 - Prob. 46AYPCh. 9.6 - Prob. 47AYPCh. 9.6 - What factors contribute to increases in muscle...Ch. 9.6 - Prob. 49AYPCh. 9.6 - Prob. 50AYPCh. 9.7 - What is fatigue? List the three locations where...Ch. 9.7 - Prob. 52AYPCh. 9.7 - Prob. 53AYPCh. 9.7 - List the energy sources used to synthesize ATP for...Ch. 9.7 - Prob. 55AYPCh. 9.7 - Prob. 56AYPCh. 9.7 - Prob. 57AYPCh. 9.7 - Prob. 58AYPCh. 9.8 - Describe a typical smooth muscle cell. How do its...Ch. 9.8 - Prob. 60AYPCh. 9.8 - Prob. 61AYPCh. 9.8 - Compare visceral smooth muscle and multiunit...Ch. 9.8 - Prob. 63AYPCh. 9.8 - Prob. 64AYPCh. 9.8 - How are spontoneous contractions produced in...Ch. 9.8 - Prob. 66AYPCh. 9.8 - Prob. 67AYPCh. 9.8 - Prob. 68AYPCh. 9.9 - Prob. 69AYPCh. 9.9 - Prob. 70AYPCh. 9.10 - Prob. 71AYPCh. 9 - Which of these is true of skeletal muscle? a....Ch. 9 - Prob. 2RACCh. 9 - Prob. 3RACCh. 9 - Each myofibril Is made up of many muscle fibers....Ch. 9 - Prob. 5RACCh. 9 - Which of these statements about the molecular...Ch. 9 - Prob. 7RACCh. 9 - Prob. 8RACCh. 9 - Prob. 9RACCh. 9 - Prob. 10RACCh. 9 - Prob. 11RACCh. 9 - Prob. 12RACCh. 9 - Prob. 13RACCh. 9 - With stimuli of increasing strength, which of...Ch. 9 - Considering the force of contraction of a skeletal...Ch. 9 - Which of these events occurs during the lag...Ch. 9 - Prob. 17RACCh. 9 - Prob. 18RACCh. 9 - Given the conditions: (1) low ATP levels (2)...Ch. 9 - Prob. 20RACCh. 9 - Prob. 21RACCh. 9 - Prob. 22RACCh. 9 - Prob. 23RACCh. 9 - Prob. 24RACCh. 9 - Which of these statements concerning aging and...Ch. 9 - Prob. 1CTCh. 9 - A patient is thought to be suffering from either...Ch. 9 - Design an experiment to test the following...Ch. 9 - Explain what is happening at the level of...Ch. 9 - Predict the shape of an active tension curve for...Ch. 9 - Prob. 6CTCh. 9 - Prob. 7CTCh. 9 - Prob. 8CTCh. 9 - Prob. 9CTCh. 9 - Prob. 10CTCh. 9 - Prob. 11CTCh. 9 - Prob. 12CT
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- Which of the following statements is true? a.Cardiac muscle cells are found in the heart and large blood vessels. b.Cardiac muscle cells have many nuclei. c.Striated muscle cells are long and cylindrical with many nuclei. d.Smooth muscle cells have T tubules.arrow_forwardWhat structure on a muscle fiber is composed of largely two varieties of contractile proteins--actin and myosin--which slide past each other during muscle activity to bring about shortening or contraction of muscle cells? A. myofilament B. sarcoplasmic reticulum C. transverse tububle D. sarcomeresarrow_forwardWhich of the following is true concerning the role of Calcium in the contraction of muscle- cells? 23. A. skeletal muscle cells require an extracellular inward-Calcium-current to stimulate the burst of Calcium from the sarcoplasmic reticulum. B. smooth muscle cells require an extracellular inward-Calcium-current to stimulate the burst of Calcium from the sarcoplasmic reticulum. C. cardiac muscle cells require an extracellular inward-Calcium-current to stimulate the An burst of Calcium from intracellular stored-Calcium-organelles. D. No type of muscle cell requires an extracellular inward-Calcium current for normal contractile-function.arrow_forward
- Through which ATP-generating mechanism can long-lasting muscle contractions be sustained? a. oxidative catabolism b. glycolysis c. creatine phosphate reaction d. anaerobic catabolismarrow_forwardWhich of the following is true? A. Muscle fibers either will contract with all the force possible under existing conditions or will not contract at all. B. Skeletal muscles can contract with varying degrees of strength given different circumstances. C. Muscle length does not have an effect on contractile strength. D. Metabolic condition of the myocyte does not have an effect on contractile strength.arrow_forwardPeristalsis is the wavelike, constant, and rhythmic alternating contractions and relaxations of smooth muscle layers. Which smooth muscle layer(s) is involved in peristalsis? a. longitudinal b. circular c. lumen d. b and c e. a and barrow_forward
- What 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_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_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_forward
- A bacterial toxin is known to block the release of ACh at the motor end plate of skeletal muscle. Consequently, a. the skeletal muscle contracts with increasing force. b. the skeletal muscle contracts with increasing frequency. c. the ability to stimulate the muscle is impaired. d. other neurotransmitters would stimulate the muscle.arrow_forwardThe excess ATPs are stored in muscles as CPs? A. True B. Falsearrow_forwardWhich of the following sites contains striated muscle that is not under voluntary control? A. Bladder B. Colon C. Esophagus D. Gallbladder E. Stomacharrow_forward
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