Chapter 9 Muscle Tissue PDF

1) Which of the following is the type of muscle that pushes blood through the blood vessels of the cardiovascular system? A) skeletal muscle B) cardiac muscle C) smooth muscle D) appendicular muscle E) None of the answers are correct. Answer: B Learning Outcome: 9.1 Bloom's Taxonomy: 1-2: Rememberin...

1) Which of the following is the type of muscle that pushes blood through the blood vessels of the cardiovascular system? A) skeletal muscle B) cardiac muscle C) smooth muscle D) appendicular muscle E) None of the answers are correct. Answer: B Learning Outcome: 9.1 Bloom's Taxonomy: 1-2: Remembering/Understanding 2) Smooth muscles are primarily used to ________. A) generate heat B) pump blood through the circulation C) push fluid and solids along the digestive tract D) provide voluntary movements to the body E) pull on bones of the skeleton Answer: C Learning Outcome: 9.1 Bloom's Taxonomy: 1-2: Remembering/Understanding 3) How many skeletal muscles are there in the muscular system? A) 50 B) 206 C) thousands D) 700+ E) 116 Answer: D Learning Outcome: 9.1 Bloom's Taxonomy: 1-2: Remembering/Understanding 4) Which of the following features is NOT characteristic of muscle tissues? A) excitability B) cognitive ability C) contractility D) extensibility E) elasticity Answer: B Learning Outcome: 9.1 Bloom's Taxonomy: 1-2: Remembering/Understanding 5) What characteristic of muscle tissue allows it to respond to stimulation by the nervous system? A) excitability B) elasticity C) extensibility D) contractility E) None of the answers are correct. Answer: A Learning Outcome: 9.1 Bloom's Taxonomy: 1-2: Remembering/Understanding 6) Which of the following is a function of skeletal muscle? A) produce skeletal movement B) maintain posture C) support soft tissues D) maintain body temperature E) All of the answers are correct. Answer: E Learning Outcome: 9.1 Bloom's Taxonomy: 1-2: Remembering/Understanding 7) Why are skeletal muscles called voluntary? A) These muscles maintain a constant rhythm of contraction. B) Their contractions can be consciously controlled. C) Only these muscles are stimulated to contract by the central nervous system. D) Contraction of specific muscles occurs to maintain body posture and body position. E) All of the answers are correct. Answer: B Learning Outcome: 9.2 Bloom's Taxonomy: 1-2: Remembering/Understanding 8) The layers of connective tissue surrounding a skeletal muscle from the inside to the outside in correct order are ________. A) endomysium, perimysium, and epimysium B) epimysium, endomysium, and perimysium C) epimysium, perimysium, and endomysium D) endomysium, epimysium, and perimysium E) perimysium, epimysium, and endomysium Answer: A Learning Outcome: 9.2 Bloom's Taxonomy: 1-2: Remembering/Understanding 9) The epimysium, which separates the muscle from surrounding tissues and organs, is connected to the ________. A) superficial fascia B) subserous fascia C) deep fascia D) aponeuroses E) None of the answers are correct. Answer: C Learning Outcome: 9.2 Bloom's Taxonomy: 1-2: Remembering/Understanding 10) The connective tissue surrounding a fascicle is called ________. A) endomysium B) epimysium C) perimysium D) a tendon E) an aponeurosis Answer: C Learning Outcome: 9.2 Bloom's Taxonomy: 1-2: Remembering/Understanding 11) The attachment of a muscle to a bone is called ________. A) a bursa B) an aponeurosis C) a ligament D) a capsule E) either a tendon or an aponeurosis Answer: E Learning Outcome: 9.2 Bloom's Taxonomy: 1-2: Remembering/Understanding 12) Which of these orders of functional muscle structures progresses from the smallest to largest in diameter? A) muscle, fascicle, muscle fiber, myofibril B) fascicle, myofibril, muscle fiber, filament C) fascicle, muscle fiber, myofibril, muscle D) muscle, muscle fiber, myofibril, fascicle E) myofibril, muscle fiber, fascicle, muscle Answer: E Learning Outcome: 9.2 Bloom's Taxonomy: 1-2: Remembering/Understanding 13) Actinin molecules form an open meshwork at the ________. A) Z line B) M line C) H band D) I band E) A band Answer: A Learning Outcome: 9.2 Bloom's Taxonomy: 1-2: Remembering/Understanding 14) Skeletal muscle fibers arise from embryonic cells called ________. A) myotomes B) myoblasts C) myomeres D) myofilaments E) myofibrils Answer: B Learning Outcome: 9.2 Bloom's Taxonomy: 1-2: Remembering/Understanding 15) Why does a skeletal muscle fiber have more than one nucleus? A) During development, groups of embryonic cells called myoblasts fuse together to form a single muscle fiber. B) During development, the nucleus of each myoblast replicates several times. C) During development, the sarcolemmae of newly formed muscle fibers disintegrate, making many muscle cells into one. D) During muscular activity, parts of each muscle fiber break down, and the remaining parts, including their nuclei, fuse into new combination fibers. E) All of the answers are correct. Answer: A Learning Outcome: 9.2 Bloom's Taxonomy: 1-2: Remembering/Understanding 16) The complex known as the triad consists of ________. A) actin, myosin, and myofilaments B) one A band, one H zone, and one I band C) one transverse tubule and two terminal cisternae D) myofilaments, myofibrils, and sarcomeres E) one sarcomere, one sarcoplasmic reticulum, and one sarcoplasm Answer: C Learning Outcome: 9.2 Bloom's Taxonomy: 1-2: Remembering/Understanding 17) The sarcoplasmic reticulum is (the) ________. A) sarcolemma of skeletal muscle fibers B) cytoplasm of skeletal muscle fibers C) a membrane complex in skeletal muscles similar to smooth endoplasmic reticulum D) extension of the skeletal muscle sarcolemma into the cell E) a membrane complex in skeletal muscles similar to rough endoplasmic reticulum Answer: C Learning Outcome: 9.2 Bloom's Taxonomy: 1-2: Remembering/Understanding 18) The portion of a sarcomere that contains the M line, H band and the zone of overlap is the ________. A) I band B) M line C) A band D) H band E) Z line Answer: C Learning Outcome: 9.2 Bloom's Taxonomy: 1-2: Remembering/Understanding 19) The structures within the muscle fiber that shorten to cause skeletal muscle fiber contraction are (the) ________. A) myoneural junctions B) myofibrils C) myosatellite cells D) neuromuscular synapses E) myoblasts Answer: B Learning Outcome: 9.2 Bloom's Taxonomy: 1-2: Remembering/Understanding 20) Delayed-onset muscle soreness is potentially caused by microscopic ruptures at the ________ of the sarcomeres. A) M line B) I band C) H band D) Z line E) A band Answer: D Learning Outcome: 9.2 Bloom's Taxonomy: 1-2: Remembering/Understanding