The Skeletal System
The Skeletal System
1. Condyles are found in the axial skeleton only. True False
2. Trochanters are unique to the femur.
True False
3. The mastoid process cannot be palpated on a living person. True False
4. Healthy paranasal sinuses are filled with mucus.
True False
5. The optic canal is part of the sphenoid bone. True False
6. Sutures are found between the cranial, facial, and sacral bones.
True False
7. The atlantoaxial joint is the joint between C1 and C2. True False
8. All ribs articulate with the sternum. True False
9. Men have one rib fewer than women.
True False
10. The styloid process of the radius can be palpated proximal to the thumb. True False
11. There are three bones in the pollex. True False
12. The pubic symphysis can be palpated as a hard prominence above the genitalia. True False
13. Medial and lateral condyles of the femur are involved in the hip joint.
True False
14. The ischium is posterior to the pubis and inferior to the ilium. True False
Multiple Choice Questions
15. The average number of bones in the adult skeleton is .
A. 56 B. 106 C. 156 D. 206 E. 256
16. All the bones below belong to the axial skeleton, except the , which belongs to the appendicular skeleton.
A. frontal bone
B. mandible
C. scapula
D. thoracic vertebra
E. stapes
17. A rounded knob that articulates with another bone is called a(n) .
A. condyle
B. sulcus
C. alveolus
D. foramen
E. sinus
18. Any bony prominence is called a(n) .
A. epicondyle
B. tubercle
C. fossa
D. head
E. process
19. Why does an adult not have as many bones as a child?
A. Osteoporosis leads to bone loss with age.
B. Some separate bones gradually fuse with age.
C. Many bones are replaced by cartilage with age.
D. Bones are reabsorbed with age.
E. Osteoclast activity overcomes osteoblast activity with age.
20. What is a sesamoid bone?
A. A bone growing within some cartilages in response to pressure
B. A bone that forms within some tendons in response to stress
C. A bone that forms in the cranium in response to trauma
D. A bone made of hyaline cartilage
E. A bone made of dense regular connective tissue
21. A hole through a bone that usually allows passage for nerves and blood vessels is called a(n) .
A. canal
B. alveolus
C. fissure
D. foramen
E. sinus
22. Which of the bones below does not belong to the appendicular skeleton?
A. Clavicle
B. Patella
C. Ethmoid
D. Ulna
E. Fibula
23. Most of the bones of the skull are connected by immovable joints called .
A. sinuses
B. syndesmoses
C. symphyses
D. fissures
E. sutures
24. Sinuses are absent from which bone?
A. Sphenoid
B. Frontal
C. Temporal
D. Maxilla
E. Ethmoid
25. All of the following are found on the temporal bone except the .
A. zygomatic process
B. mastoid process
C. external acoustic meatus
D. sella turcica
E. mandibular fossa
26. Which of the following are not considered facial bones?
A. Parietal bones
B. Maxillae
C. Lacrimal bones
D. Nasal bones
E. Palatine bones
27. The houses the pituitary gland (hypophysis) and is found in the .
A. foramen magnum; occipital bone
B. sella turcica; sphenoid bone
C. lambdoid suture; parietal bones
D. supraorbital margin; frontal bone
E. occipital condyle; occipital bone
28. Which of the following bones is a single unpaired bone?
A. Ethmoid
B. Parietal
C. Maxilla
D. Zygomatic
E. Palatine
29. The suture separates the temporal bone from the parietal bone.
A. coronal
B. squamous
C. lambdoid
D. sagittal
E. frontal
30. Which bone is a part of the skull and not just associated with it?
A. Incus
B. Malleus
C. Hyoid
D. Stapes
E. Vomer
31. Fontanelle are in an infant.
A. spaces between the unfused cranial bones
B. cartilages covering cranial bones
C. fibrous connective tissues lining the cranial cavity
D. fibrous connective tissues lining the orbits
E. fibrous connective tissues lining paranasal sinuses
32. All of these contribute to the wall of the orbit except the bone.
A. sphenoid
B. frontal
C. maxilla
D. zygomatic
E. nasal
33. Which of the following bones is adjacent to both the coronal and lambdoid sutures?
A. Occipital bone
B. Sphenoid bone
C. Parietal bone
D. Zygomatic bone
E. Frontal bone
34.3 Which bone helps form the coronal, lambdoid, and squamous sutures of the skull?
4A. Occipital bone
B. Sphenoid bone
C. Parietal bone
D. Temporal bone
E. Frontal bone
35. Which of the following bones forms the bulk of the hard palate?
A. Nasal bone
B. Mandible
C. Ethmoid bone
D. Maxilla
E. Lacrimal bone
36. Which of the following articualtes with the vertebral column?
A. Mandibular fossa
B. Mastoid process
C. Occipital condyle
D. Foramen magnum
E. Zygomatic arch
37. From superior to inferior, how many individual vertebrae are there of each type?
A. 12; 7; 5; 5; 4
B. 12; 5; 5; 7; 4
C. 7; 5; 5; 12; 4
D. 7; 12; 5; 5; 4
E. 7; 5; 5; 4; 12
38. Which of the following is the most common spinal curvature deformity?
A. Scoliosis
B. Lordosis
C. Kyphosis
D. Osteosis
E. Herniation
39. Which intervertebral disc is largest?
A. The one between C2 and C3
B. The one between C7 and T1
C. The one between T4 and T5
D. The one between T12 and L1
E. The one between L4 and L5
40. Which of the following is not found on a typical vertebra?
A. Spinous process
B. Transverse processes
C. Vertebral head
D. Vertebral foramen
E. Vertebral body
41. Which of the following is only found on the axis vertebra?
A. Transverse foramen
B. Spinous process
C. Dens (odontoid process)
D. Vertebral arch
E. Superior articular facet
42. Which of the following is not true of a thoracic vertebra?
A. The body has facets as points of articulation for ribs.
B. It usually has a facet at the end of each transverse process for attachment of a rib.
C. The body is more massive than those of cervical vertebrae but less than those of lumbar vertebrae.
D. The spinous process is pointed and angled sharply downward.
E. It has a pair of transverse foramina.
43. The belongs to the thoracic cage, whereas the belongs to the pectoral girdle.
A. sternum; clavicle
B. clavicle; sternum
C. vertebra T5; vertebra T1
D. scapula; clavicle
E. scapula; sternum
44. The manubrium is part of what bone?
A. Clavicle
B. Sternum
C. Scapula
D. A rib
E. Vertebra
45. Rib 7 is a rib.
A. true
B. floating
C. false
D. pelvic
E. cartilaginous
46. The can be easily palpated between the clavicles.
A. xiphoid process
B. suprasternal notch
C. body of the sternum
D. costal cartilage
E. costal groove
47. The spinous process has a bifid tip in most vertebrae.
A. cervical
B. thoracic
C. lumbar
D. sacral
E. coccygeal
48. In a herniated disc, the ring of fibrocartilage called the ruptures and the oozes out.
A. nucleus pulposus; anulus fibrosus
B. lamina; nucleus pulposus
C. anulus fibrosus; nucleus pulposus
D. anulus fibrosus; body
E. nucleus pulposus; lamina
49. Which of the following do costal cartilages connect?
A. The clavicles with the sternum
B. The true ribs with the scapula
C. The floating ribs with xiphoid process
D. The false ribs with the viscera and peritoneum
E. The ribs with the sternum
50. Which of the following is not part of the pectoral girdle?
A. The glenohumeral joint
B. The acromioclavicular joint
C. The sternoclavicular joint
D. The sacroiliac joint
E. The clavicle and scapula
51. The acromion is an anatomical feature of the .
A. clavicle
B. scapula
C. ulna
D. scaphoid
E. pollex
52. The antebrachium contains the .
A. radius and ulna
B. humerus
C. carpals and metacarpals
D. scapula and clavicle
E. phalanges
53. The glenoid cavity of the articulates with the head of the .
A. scapula; sternum
B. radius; humerus
C. humerus; scapula
D. sternum; humerus
E. scapula; humerus
54. One hand of an adult has bones.
A. 15
B. 18
C. 25
D. 27
E. 28
55. A young girl falls off her bike and lands on her hand, breaking the medial bone of her antebrachium. Which bone did she break?
A. Her carpal
B. Her
metacarpal
C. Her humerus
D. Her radius
E. Her ulna
56. Which of the following is found in the palm of your hand?
A. Carpal
B. Metacarpal
C. Tarsal
D. Metatarsal
E. Phalanx
57. Which of the following is a sesamoid bone?
A. Metatarsal
B. Tarsal
C. Tibia
D. Fibula
E. Patella
58. Which of the following is not considered a weight-bearing bone?
A. The femur
B. The tibia
C. The fibula
D. The talus
E. The Calcaneus
59. Spines of the form a part of the pelvic outlet.
A. sacrum
B. pubis
C. ischium
D. ilium
E. pubic symphysis
60. The acetabulum articulates with the .
A. humerus
B. femur
C. patella
D. tibia
E. hip bone
61. A newborn passes through the of its mother during birth.
A. obturator foramen
B. pelvic inlet
C. pelvic outlet
D. acetabulum
E. false pelvis
62. Male and female pelves differ in all of the following features except .
A. the male pelvis is more massive
B. the male pelvic outlet is smaller
C. the female pubic arch is usually greater than 100 degrees
D. the female coccyx is tilted posteriorly
E. the female sacrum is longer
63. The does not belong to the femur.
A. anterior border
B. fovea capitis
C. medial condyle
D. greater trochanter
E. lesser trochanter
64. You cannot palpate the on a living person.
A. lateral malleolus
B. tibial tuberosity
C. medial surface of the fibula
D. anterior border of the tibia
E. calcaneus
65. There are bones in a newborn compared with the average number in an adult.
A. more
B. fewer
C. the same number of
66. What are the three auditory ossicles?
A. The malleus, incus, and stapes
B. The superior, middle, and inferior nasal conchae
C. The hyoid, mandible, and maxilla
D. The temporal, sphenoid, and ethmoid bones
67. The is a U-shaped bone that sits above the larynx yet does not articulate with any other bone.
A. hyoid bone
B. mandible
C. maxilla
D. zygomatic bone
68. Which cranial bone(s) are separate right and left bones at birth but generally fuse by the age of 5?
A. Frontal bone and mandible
B. Frontal bone and maxilla
C. Mandible and maxilla
D. Frontal bone and occipital bone
69. One difference between the male and female pelvis is that the subpubic angle of a female is generally
A. greater than 100 degrees
B. less than 90 degrees
C. greater than 120 degrees
D. less than 20 degrees
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