[HOME] [TEST 2 ANSWERS] [UNIT 2 HISTOLOGY - MUSCLES]

BIOLOGY 2740 - HUMAN PHYSIOLOGY AND ANATOMY
PRACTICE TEST 2

MULTIPLE CHOICE: Choose the best answer.

1.The science or study of joints is called:

A. sarcoloy B. osteology C. myology D. dermatology E. none of the preceding.

2. Which of the following parts of the upper limb or extremity is not correctly matched with the number of bones in that part?

A. brachium - 1 B. antebrachium - 2 C. carpus - 8 D. metacarpus - 5. phalanges - 12.

3. The largest ankle bone is the:

A. metatarsal B. navicular C. talus D. calcaneus E. first cuneiform.

4. Which of the following is an amphiarthrotic joint?

A. synchondrosis B. condyloid joint C. saddle joint D. symphysis E.answers A and D

5. The hinge joint at elbow is an example of a:

A. first-class lever B. second-class lever C. third-class lever D.. fourth-class lever.

6. Which of the following joints is freely movable?

A. ball and socket joint B. condyloid joint C. saddle joint D. pivot joint E. all of the preceding.

7. The inability to produce the fluid which keeps most diarthrodial joints moist would most likely be due to a disorder of the:

A. cruciate ligaments B. synovial membrane C. articular cartilage D. bursae E. answers B and D.

8. The sequence of parts in a first-class lever is:

A. effort-fulcrum-resistance
B. fulcrum-effort-resistance
C. fulcrum-effort-resistance
D. none of the preceding.

9. A rotational movement of the forearm that results in the palm of the hand being, directed backward (posteriorly) is called:

A.pronation B. eversion C. circumduction D. lateral flexion E. supination

MATCHING: FROM THE LIST OF BONES MATCH THE CORRECT STRUCTURE OR FOSSA THAT IS ASSOCIATED WITH IT. (Note: Items A through E may be used more than once.)

A. fibula B. tibia C. humerus D. ulna E. scapula

10. Linea aspera.
11. Olecranon fossa.
12. Radial notch.
13. Coronoid fossa.
14. Coracoid process.
15. Lesser tubercle.
16. Capitulum.
17. Lesser trochanter.
18. Coronoid process.
19. Acromion.
20. Lateral malleolus.
21. Infraspinous fossa.
22. Trochlear notch.

MATCHING:ARTICULATIONS. (Note: Items A through E may be used more than once.)

A. Symphysis B. suture C. syndesmosis D. pivot E. hinge.

23. Intervertebral joints
24. Knee joint.
25. Joint between the atlas and axis
26. Joints between the cranial bones.
27. Joints between the distal and middle bones of the phalanges.
28. Joint between the distal ends of the tibia and fibula.
29. Joint between the right and left pubic bones (or pubes).
30. Joint between the proximal ends of the radius and ulna.
31. Joint between the distal ends of the radius and ulna.

TRUE OR FALSE: TRUE= A; FALSE = B.

32. Slow-twitch muscles are sometimes called red fibers.
33. Cardiac muscle fibers are located in the myocardium of the heart wall.
34. In vitro means within the body.
35. Smooth muscles in the GI tract are single-unit muscle cells.
36. Flattened sheath-like tendons are called aponeuroses.
37. Unlike multi-unit smooth muscles, single-unit smooth muscles need nerve stimulation.

MULTIPLE CHOICE. Choose the best answer.

38. Each myofibril in skeletal muscle:

A. is made up of many myofilaments
B. is made up of many sarcomeres
C. contains a sarcoplasmic reticulum
D. answers A, B, and C
E. answers A and B.

39. The motor unit is defined as:

A. many myofibrils within the sarcolemma
B. the functional filaments within a muscle fiber
C. many motor endplates within the neuromuscular function
D. a motor neuron and the muscle fibers innervated by it
E. answers A and B.

40. The layer of connective tissue surrounding a skeletal muscle fiber is called the:

A. perimysium B. endomysium C. epimysium D. apomysium E. none of the preceding.

41. At the neuromuscular junction, synaptic vesicles contain:

A. calcium B. troponin C. acetylcholine D. ADP E. ATP.

42. If you were to extract protein molecules from the A-band, which of the following molecules would be found in the extract?

A. myosin B. actin C. troponin D. tropomyosin E. all of the preceding.

THE FOLLOWING STRUCTURES SERVE AS AN ORIGIN FOR CERTAIN SKELETAL MUSCLES. MATCH THE MUSCLES WITH THEIR POINTS OF ORIGIN. (Note: Items A through E may be used more than once.)

A. Sphenoid bone B. scapula C. iliac crest D. ischial tuberosity E. sternum.

45. Medial pterygoid
44. Internal oblique
45. Coracobrachialis
46. Teres major
47. Deltoid
48. Quadratus lumborum
49. Pectoralis major
50. Biceps femoris
51. Semimembranosus
52. Lateral pterygoid
53. Semitendinosus

MATCH THE FOLLOWING ACTIONS WITH THE APPROPRIATE MUSCLE. (Note: Items A through E may be used more than once.)

A. extends head at neck
B. adducts the scapula
C. elevates the mandible
D. flexes head at neck
E. abducts the thigh.

54. Gluteus medius.
55. Masseter.
56. Splenius capitis (acting, together).
57. Sternocleidomastoid (acting, together).
58. Medial pterygoid.
59. Semispinalis capitis (acting together).
60. Gluteus minimus.
61. Rhomboideus major.
62. Temporalis.
63. Longissimus capitis (acting together).

MULTIPLE CHOICE. Choose the best answer.

64. There are three posterior thigh muscles which are antagonistic to the quadriceps femoris muscle. These muscles are known as the hamstring and they are as follows: the semimembranosus, semitendinosus, and the:

A. biceps femoris B. triceps femoris C. rectus femoris D. transversus femoris E. none of the preceding

65. The quadriceps femoris is actually a composite of four distinct muscles that have separate origins but a common insertion. The four muscles are the: vastus lateralis, vastus intermedius and the vastus medialis, and the:

A. biceps femoris B. triceps femoris C. rectus femoris D. transversus femoris E. none of the preceding.

66. When smooth muscle contracts, calcium bonds to :

A. phosphocreatine B. tropomyosin C. calmodulin D. acetylcholine E. myosin heads

67. Slow twitch muscles:

A. are sometimes called Type I muscle fibers
B. have numerous mitochondria
C. have a high concentration of myoglobin
D. have many capillaries
E. all of the above.

68. The most movable attachment of a muscle is its:

A. insertion B. fulcrum C. origin D. none of the preceding.

THE FOLLOWING STRUCTURES SERVE AS AN INSERTION FOR CERTAIN SKELETAL MUSCLES. MATCH THE STRUCTURES WITH THE APPROPRIATE MUSCLES. (Note: Items A through E may be used more than once.)

A. lesser trochanter of the femur
B. mastoid process of the temporal bone
C. humerus
D. xiphoid process
E. tibia.

69. Sartorius.
70. Rectus abdominis.
71. Coracobrachialis.
72. Sternocleidomastoid.
73. Iliacus.
74. Gracilis.
75. Semitendinosus.
76. Deltoid.
77. Longissimus capitis.
78. Latissimus dorsi.
79. Pectoralis major.
80. Semimembranosus.

MULTIPLE CHOICE. Choose the best answer.

81. Immediately following the arrival of a threshold stimulus at a skeletal muscle cell, there is a short period called the:

A. relaxation period B. indecisive period C. latent period D. contraction period E. refractory period.

82. When a muscle exerts tension without shortening, the contraction is termed:

A. isometric B. graded C. summated D. isotonic E. none of the preceding.

83. Sarcoplasmic reticulum is another name for:

A. Golgi apparatus B. reticular connective tissue C. cell membrane D. cytoplasm E. none of the preceding

84. The delicate cell membrane surrounding each skeletal muscle fiber is called the:

A. epimysium B. sarcolemma C. sarcoplasm D. sarcoplasmic reticulum E. none of the preceding.

85. The science or study of muscles and their parts is called:

A. sarcology B. osteology C. myology D. dermatology E. none of the preceding.

FACIAL MUSCLES: MATCH THE ACTIONS WITH THE APPROPRIATE MUSCLE.

A. smile B. close the eye C. raise the eyebrows D. pucker the lips E. tighten or compress the cheeks

86. Orbicularis oculi.
87. Zygomaticus.
88. Frontalis portion of the epicranius.
89. Orbicularis oris.
90. Buccinator.

TRUE OR FALSE: True =A; False = B.

91. Ciliary muscles in the eyeball change the shape of the lens.
92. Smooth muscles in the sperm ducts and uterine tubes are single-unit muscles.
93. The abbreviation ATP stands for alanine tripentose.
94. Embryonic cells that form skeletal muscle cells are called myoblasts.
95. The sartorius takes its origin on the posterior superior iliac spine.
96. The sagittal suture is an example of a synostosis type of joint.
97. Joints called synarthroses are freely movable joints.
98. Contraction of the tibialis anterior causes planter flexion of the foot.
99. Smooth muscle fibers are uninucleated, involuntary and nonstriated.
100. Cardiac muscle fibers are uninucleated, involuntary and striated.

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This page was last updated in August, 1997.

Author: Sherri Wick, Coordinator and Instructor - Human Physiology and Anatomy Laboratories
University of Nebraska at Omaha
Allwine Hall 211E, 554-2343
swick@cwis.unomaha.edu