Presentation is loading. Please wait.

Presentation is loading. Please wait.

Chapter 7 — The Muscular System $100 $200 $300 $400 $500 $100$100$100 $200 $300 $400 $500 Muscle Tissue & Sarcomere Organization Muscle Contraction Muscle.

Similar presentations


Presentation on theme: "Chapter 7 — The Muscular System $100 $200 $300 $400 $500 $100$100$100 $200 $300 $400 $500 Muscle Tissue & Sarcomere Organization Muscle Contraction Muscle."— Presentation transcript:

1 Chapter 7 — The Muscular System $100 $200 $300 $400 $500 $100$100$100 $200 $300 $400 $500 Muscle Tissue & Sarcomere Organization Muscle Contraction Muscle Fiber Type & Muscle Tissues Axial Musculature Appendicular Musculature FINAL ROUND

2 Topic 1: $100 Question The structure that divides the skeletal muscle into compartments, and that contains collagen fibers, elastic fibers, blood vessels, and nerves is the: a. fascicle b. endomysium c. perimysium d. epimysium BACK TO GAME ANSWER

3 Topic 1: $100 Answer The structure that divides the skeletal muscle into compartments, and that contains collagen fibers, elastic fibers, blood vessels, and nerves is the: a. fascicle b. endomysium c. perimysium d. epimysium BACK TO GAME

4 Topic 1: $200 Question The structures that are filled with extracellular fluid, and that form passageways through the muscle fiber, are called: a. transverse tubules (T tubules) b. sarcomeres c. sarcoplasmic reticulum d. myofibrils BACK TO GAME ANSWER

5 Topic 1: $200 Answer The structures that are filled with extracellular fluid, and that form passageways through the muscle fiber, are called: a. transverse tubules (T tubules) b. sarcomeres c. sarcoplasmic reticulum d. myofibrils BACK TO GAME

6 Topic 1: $300 Question According to the sliding filament theory, which of the following occurs when a sarcomere contracts? a. The I bands get larger. b. The A bands get smaller. c. The I bands get smaller. d. The H bands increase. BACK TO GAME ANSWER

7 Topic 1: $300 Answer According to the sliding filament theory, which of the following occurs when a sarcomere contracts? a. The I bands get larger. b. The A bands get smaller. c. The I bands get smaller. d. The H bands increase. BACK TO GAME

8 Topic 1: $400 Question Which is the correct cycle regarding the actin and myosin cross-bridge interaction? a. return, pivot, attach, detach b. attach, detach, pivot, return c. pivot, attach, detach, return d. attach, pivot, detach, return BACK TO GAME ANSWER

9 Topic 1: $400 Answer Which is the correct cycle regarding the actin and myosin cross-bridge interaction? a. return, pivot, attach, detach b. attach, detach, pivot, return c. pivot, attach, detach, return d. attach, pivot, detach, return BACK TO GAME

10 Topic 1: $500 Question Which is a true statement regarding thick and thin filaments? a. The actin molecules are oriented away from the center of the sarcomere, with the heads projecting outward. b. The myosin molecules are oriented toward the center of the sarcomere, with the heads projecting outward. c. The actin molecules are oriented toward the center of the sarcomere, with the heads projecting inward. d. The myosin molecules are oriented toward the center of the sarcomere, with the heads projecting inward. BACK TO GAME ANSWER

11 Topic 1: $500 Answer Which is a true statement regarding thick and thin filaments? a. The actin molecules are oriented away from the center of the sarcomere, with the heads projecting outward. b. The myosin molecules are oriented toward the center of the sarcomere, with the heads projecting outward. c. The actin molecules are oriented toward the center of the sarcomere, with the heads projecting inward. d. The myosin molecules are oriented toward the center of the sarcomere, with the heads projecting inward. BACK TO GAME

12 Topic 2: $100 Question Both the synaptic cleft and the motor end plate contain which of the following enzymes? a. acetylcholine b. acetylcholinesterase c. nicotinamide reductase d. serotonin decarboxylase BACK TO GAME ANSWER

13 Topic 2: $100 Answer Both the synaptic cleft and the motor end plate contain which of the following enzymes? a. acetylcholine b. acetylcholinesterase c. nicotinamide reductase d. serotonin decarboxylase BACK TO GAME

14 Topic 2: $200 Question Which statement(s) is/are true regarding the appearance of an action potential at the sarcolemma? a. The passage of an action potential along the T tubules triggers a sudden, massive release of calcium ions by the terminal cisternae. b. The action potential spreads over the entire sarcolemma surface. c. The sudden, massive release of calcium ions triggers a sudden, massive release of calcium ions by the terminal cisternae. BACK TO GAME ANSWER

15 Topic 2: $200 Answer Which statement(s) is/are true regarding the appearance of an action potential at the sarcolemma? a. The passage of an action potential along the T tubules triggers a sudden, massive release of calcium ions by the terminal cisternae. b. The action potential spreads over the entire sarcolemma surface. c. The sudden, massive release of calcium ions triggers a sudden, massive release of calcium ions by the terminal cisternae. BACK TO GAME

16 Topic 2: $300 Question What is the biochemical explanation for rigor mortis? a. The sarcoplasmic reticulum is unable to remove calcium ions from the sarcoplasm. b. Skeletal muscle fibers have too much ATP stored, resulting in sustained muscle contractions. c. Cross-bridges remain detached from the active sites on actin. d. A and B BACK TO GAME ANSWER

17 Topic 2: $300 Answer What is the biochemical explanation for rigor mortis? a. The sarcoplasmic reticulum is unable to remove calcium ions from the sarcoplasm. b. Skeletal muscle fibers have too much ATP stored, resulting in sustained muscle contractions. c. Cross-bridges remain detached from the active sites on actin. d. A and B BACK TO GAME

18 Topic 2: $400 Question Which statement(s) is/are false regarding skeletal muscle contraction? a. Calcium ions bind to troponin, resulting in a conformational change in tropomyosin. b. Cross-bridge binding, pivoting, and detachment are powered by the breakdown of ATP. c. Serotonin released by the synaptic terminal binds to receptors on the sarcolemma. d. None of the above statements is false. BACK TO GAME ANSWER

19 Topic 2: $400 Answer Which statement(s) is/are false regarding skeletal muscle contraction? a. Calcium ions bind to troponin, resulting in a conformational change in tropomyosin. b. Cross-bridge binding, pivoting, and detachment are powered by the breakdown of ATP. c. Serotonin released by the synaptic terminal binds to receptors on the sarcolemma. d. None of the above statements is false. BACK TO GAME

20 Topic 2: $500 Question Which sequence describes the correct order of steps that end a contraction? 1 - Contraction ends. 2 - Acetylcholine (ACh) is broken down by acetylcholinesterase (AChE). 3 - Active sites are covered, no cross-bridge interaction occurs. 4 - Relaxation occurs, and a passive return to resting length is noted. 5 - The sarcoplasmic reticulum recaptures calcium (Ca 2+ ). a b c d BACK TO GAME ANSWER

21 Topic 2: $500 Answer Which sequence describes the correct order of steps that end a contraction? 1 - Contraction ends. 2 - Acetylcholine (ACh) is broken down by acetylcholinesterase (AChE). 3 - Active sites are covered, no cross-bridge interaction occurs. 4 - Relaxation occurs, and a passive return to resting length is noted. 5 - The sarcoplasmic reticulum recaptures calcium (Ca 2+ ). a b c d BACK TO GAME

22 Topic 3: $100 Question Which statement(s) regarding fast skeletal muscle fibers is/are true? a. They are small in diameter, have large glycogen reserves, and have relatively few mitochondria. b. They are large in diameter, with relatively few mitochondria. c. They have a greater oxygen supply than slow fibers. d. A and C BACK TO GAME ANSWER

23 Topic 3: $100 Answer Which statement(s) regarding fast skeletal muscle fibers is/are true? a. They are small in diameter, have large glycogen reserves, and have relatively few mitochondria. b. They are large in diameter, with relatively few mitochondria. c. They have a greater oxygen supply than slow fibers. d. A and C BACK TO GAME

24 Topic 3: $200 Question Which of the following is/are correct regarding smooth muscle tissue? a. The fiber dimensions are 100  m in diameter and up to 60 cm in length. b. The actin and myosin filaments are scattered throughout the sarcoplasm. c. Tetanus cannot occur. d. B and C BACK TO GAME ANSWER

25 Topic 3: $200 Answer Which of the following is/are correct regarding smooth muscle tissue? a. The fiber dimensions are 100  m in diameter and up to 60 cm in length. b. The actin and myosin filaments are scattered throughout the sarcoplasm. c. Tetanus cannot occur. d. B and C BACK TO GAME

26 Topic 3: $300 Question Which statement(s) correctly describe(s) isotonic contraction? a. Tension produced never exceeds the resistance. b. Tension remains at a constant level until relaxation occurs. c. Examples are reflexive contractions that keep the body upright while standing or sitting. d. All of the above statements are correct. BACK TO GAME ANSWER

27 Topic 3: $300 Answer Which statement(s) correctly describe(s) isotonic contraction? a. Tension produced never exceeds the resistance. b. Tension remains at a constant level until relaxation occurs. c. Examples are reflexive contractions that keep the body upright while standing or sitting. d. All of the above statements are correct. BACK TO GAME

28 Topic 3: $400 Question Which of the following utilizes pacemaker cells as a control mechanism? a. skeletal and cardiac muscles b. smooth and skeletal muscles c. skeletal muscle only d. cardiac and smooth muscles BACK TO GAME ANSWER

29 Topic 3: $400 Answer Which of the following utilizes pacemaker cells as a control mechanism? a. skeletal and cardiac muscles b. smooth and skeletal muscles c. skeletal muscle only d. cardiac and smooth muscles BACK TO GAME

30 Topic 3: $500 Question Which areas of the human body are dominated by slow fibers? a. eye and hand muscles b. back and calf muscles c. hand and foot muscles d. pelvic and leg muscles BACK TO GAME ANSWER

31 Topic 3: $500 Answer Which areas of the human body are dominated by slow fibers? a. eye and hand muscles b. back and calf muscles c. hand and foot muscles d. pelvic and leg muscles BACK TO GAME

32 Topic 4: $100 Question Which muscle inserts on the mandible and the skin of the cheek? a. mylohyoid b. stylohyoid c. sternohyoid d. platysma BACK TO GAME ANSWER

33 Topic 4: $100 Answer Which muscle inserts on the mandible and the skin of the cheek? a. mylohyoid b. stylohyoid c. sternohyoid d. platysma BACK TO GAME

34 Topic 4: $200 Question Which muscle has as its origin the spinous processes of the lower cervical and upper thoracic vertebrae? a. iliocostalis b. semispinalis capitis c. quadratus lumborum d. external intercostals BACK TO GAME ANSWER

35 Topic 4: $200 Answer Which muscle has as its origin the spinous processes of the lower cervical and upper thoracic vertebrae? a. iliocostalis b. semispinalis capitis c. quadratus lumborum d. external intercostals BACK TO GAME

36 Topic 4: $300 Question Which muscle functions to stabilize the central tendon of the perineum? a. ischiocavernosus b. transverse perineus c. rectus abdominis d. external anal sphincter BACK TO GAME ANSWER

37 Topic 4: $300 Answer Which muscle functions to stabilize the central tendon of the perineum? a. ischiocavernosus b. transverse perineus c. rectus abdominis d. external anal sphincter BACK TO GAME

38 Topic 4: $400 Question Which muscle(s) function(s) to elevate, protract, and/or move the mandible to either side? a. masseter b. temporalis c. pterygoids d. masseter and temporalis BACK TO GAME ANSWER

39 Topic 4: $400 Answer Which muscle(s) function(s) to elevate, protract, and/or move the mandible to either side? a. masseter b. temporalis c. pterygoids d. masseter and temporalis BACK TO GAME

40 Topic 4: $500 Question Which muscle inserts on the last rib and the transverse processes of the lumbar vertebrae? a. quadratus lumborum b. iliocostalis c. spinalis d. longissimus BACK TO GAME ANSWER

41 Topic 4: $500 Answer Which muscle inserts on the last rib and the transverse processes of the lumbar vertebrae? a. quadratus lumborum b. iliocostalis c. spinalis d. longissimus BACK TO GAME

42 Topic 5: $100 Question Which muscle is the major abductor of the arm? a. infraspinatus b. supraspinatus c. deltoid d. pectoralis major BACK TO GAME ANSWER

43 Topic 5: $100 Answer Which muscle is the major abductor of the arm? a. infraspinatus b. supraspinatus c. deltoid d. pectoralis major BACK TO GAME

44 Topic 5: $200 Question Which muscle originates on the anterior and superior margins of ribs 1–9? a. serratus anterior b. subclavius c. pectoralis minor d. rhomboids BACK TO GAME ANSWER

45 Topic 5: $200 Answer Which muscle originates on the anterior and superior margins of ribs 1–9? a. serratus anterior b. subclavius c. pectoralis minor d. rhomboids BACK TO GAME

46 Topic 5: $300 Question Which muscle does not insert on the greater tubercle of the humerus? a. teres minor b. subscapularis c. latissimus dorsi d. supraspinatus BACK TO GAME ANSWER

47 Topic 5: $300 Answer Which muscle does not insert on the greater tubercle of the humerus? a. teres minor b. subscapularis c. latissimus dorsi d. supraspinatus BACK TO GAME

48 Topic 5: $400 Question Which muscle inserts on the bases of the second and third metacarpal bones? a. flexor carpi ulnaris b. palmaris longus c. flexor carpi radialis d. extensor carpi ulnaris BACK TO GAME ANSWER

49 Topic 5: $400 Answer Which muscle inserts on the bases of the second and third metacarpal bones? a. flexor carpi ulnaris b. palmaris longus c. flexor carpi radialis d. extensor carpi ulnaris BACK TO GAME

50 Topic 5: $500 Question Which muscle acts to flex the knee, as well as perform adduction and medial rotation at the hip? a. adductor brevis b. pectineus c. tensor fasciae latae d. gracilis BACK TO GAME ANSWER

51 Topic 5: $500 Answer Which muscle acts to flex the knee, as well as perform adduction and medial rotation at the hip? a. adductor brevis b. pectineus c. tensor fasciae latae d. gracilis BACK TO GAME

52 FINAL ROUND Question Which is the correct sequence of steps during the contraction cycle? 1 - The attached myosin head pivots toward the center of the sarcomere, and ADP and a phosphate group are released. 2 - The active site is exposed following the binding of calcium ions to troponin. 3 - The myosin head is reactivated as it splits the ATP and captures released energy. 4 - The myosin cross-bridge forms and attaches to the exposed active sites on actin filaments. 5 - Cross-bridges detach when the myosin head binds another ATP molecule. a b c d BACK TO GAME ANSWER

53 FINAL ROUND Answer Which is the correct sequence of steps during the contraction cycle? 1 - The attached myosin head pivots toward the center of the sarcomere, and ADP and a phosphate group are released. 2 - The active site is exposed following the binding of calcium ions to troponin. 3 - The myosin head is reactivated as it splits the ATP and captures released energy. 4 - The myosin cross-bridge forms and attaches to the exposed active sites on actin filaments. 5 - Cross-bridges detach when the myosin head binds another ATP molecule. a b c d BACK TO GAME


Download ppt "Chapter 7 — The Muscular System $100 $200 $300 $400 $500 $100$100$100 $200 $300 $400 $500 Muscle Tissue & Sarcomere Organization Muscle Contraction Muscle."

Similar presentations


Ads by Google