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1. |  | Each of the following bones is part of the pelvic girdle, EXCEPT the __________. 
 
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|  | The femur articulates with the pelvic girdle, but the ilium, ischium, and pubis of both ossa coxae form the pelvic girdle. | 
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2. |  | Mary fractured her pisiform bone in a fall. What part of her body was injured? 
 
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|  | The pisiform bone is one of eight carpal bones. | 
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3. |  | Sinuses are found in all of the following bones, EXCEPT the __________. 
 
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|  | The frontal, maxillary, ethmoid, and sphenoid bones contain the paranasal sinuses. The mastoid bone contains air cells or sinuses. | 
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4. |  | The eleventh and twelfth ribs are called floating ribs because they lack __________. 
 
 
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Your Answer: | an anterior attachment to the sternum |  | 
|  | Floating ribs have no anterior attachment to the sternum but articulate posteriorly with the thoracic vertebrae. | 
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5. |  | The foramen magnum would be found in the __________ bone. 
 
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|  | The foramen magnum is located where the inferior part of the brain connects with the spinal cord (that is, the occipital bone). | 
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6. |  | The olecranon process would be found on the __________. 
 
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|  | The olecranon process is one of the two prominent processes at the proximal end of the ulna that looks like the end of a monkey wrench. | 
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7. |  | What would you find located in the lacrimal fossa? 
 
 
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Your Answer: | the lacrimal sac |  | 
|  | The lacrimal fossa is a passageway for tears to enter the nasal cavity. It contains a mucous membrane passageway that includes the lacrimal sac. | 
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8. |  | When standing normally, most of your weight is transmitted to the ground by the __________. 
 
 
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Your Answer: | talus and calcaneus |  | 
|  | A person's body weight is borne primarily by the two largest, most posterior tarsals. | 
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9. |  | Which of the following bones would most likely be involved in surgery to remove a tumor on the pituitary gland? 
 
 
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Your Answer: | the sella turcica of the sphenoid bone |  | 
|  | The sella turcica of the sphenoid bone surrounds the pituitary gland. | 
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10. |  | Which of the following is NOT a part of the axial division of the skeletal system? 
 
 
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Your Answer: | pectoral girdle |  | 
|  | The pectoral girdle is part of the appendicular skeleton. | 
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11. |  | Which of the following is the heel bone? 
 
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|  | The Achilles tendon attaches to the heel bone, or calcaneus. | 
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12. |  | The crista galli is a projection from which bone? 
 
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|  | The midline central projection of the ethmoid is the crista galli. | 
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13. |  | At its distal end, the femur articulates with the __________. 
 
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|  | The distal end of the femur forms the knee joint with the tibia and patella. | 
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14. |  | A common injury in the winter is a fall in which someone hits the back of his or her head on the ice. What bone is most likely to be involved in this type of fall? 
 
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|  | The posterior aspect of the skull is the occipital bone. | 
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15. |  | How many regions of the vertebral column are there? 
 
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|  | The cervical, thoracic, lumbar, sacral, and coccygeal sections make up the vertebral column. | 
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16. |  | Sutures connect all the bones of the skull, EXCEPT the __________. 
 
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|  | The mandible is the only bone in the skull that is not connected to other bones by sutures, and is therefore the only mobile bone in the skull. | 
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17. |  | The "calvaria" of the skull is another name for the: 
 
 
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Your Answer: | cranial vault |  | 
|  | The "calvaria" of the skull is another name for the cranial vault, or roof. | 
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18. |  | The frontal sinuses are located __________. 
 
 
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Your Answer: | lateral to the glabella |  | 
|  | The frontal sinuses are located lateral to the glabella. | 
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19. |  | Which of the following cranial bones receives the condyle of the mandible? 
 
 
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Your Answer: | the temporal bone |  | 
|  | The temporal bone contains the mandibular fossa that receives the condyle of the mandible and forms the temporomandibular joint. | 
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20. |  | Which of the following sinuses is in high risk of infection spreading from the middle ear? 
 
 
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Your Answer: | the mastoid sinuses |  | 
|  | The mastoid sinuses are in high risk of infection spreading from the middle ear because of their position adjacent to the middle ear cavity. | 
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21. |  | Which of the following sutures is most likely to contain sutural bones? 
 
 
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Your Answer: | the lambdoid suture |  | 
|  | The lambdoid suture is the most likely suture to contain suture bones. | 
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22. |  | Where would a dentist inject lidocaine to prevent pain in the lower teeth? 
 
 
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Your Answer: | the mandibular foramen |  | 
|  | Dentists inject lidocaine into the mandibular foramen to prevent pain in the lower teeth. | 
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23. |  | In a(n) __________, the vertebral column is formed from 33 separate bones. 
 
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|  | In the fetus, the vertebral column is formed from 33 bones. | 
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24. |  | Which of the following spinal deformities is quite common during late childhood in females? 
 
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|  | Scoliosis is an abnormal lateral curvature of the spine commonly seen in females during late childhood. | 
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25. |  | C7 is referred to as the "vertebra prominens" because __________. 
 
 
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Your Answer: | its spinous process is larger than those of the other cervical vertebrae |  | 
|  | C7 is used as a landmark to count the other vertebrae because its spinous process is larger than those of the other cervical vertebrae. | 
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26. |  | The pectoral girdle does not quite satisfy the features of a true girdle because __________. 
 
 
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Your Answer: | posteriorly the medial ends of the scapulae do not join each other |  | 
|  | The term girdle indicates a beltlike structure that encircles the body, and, in the case of the shoulder, the circle is not complete because the medial ends of the scapulae are not attached. | 
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27. |  | The jugular notch on the sternum is __________. 
 
 
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Your Answer: | in line with the second and third thoracic vertebra, where the left common carotid artery is issued from the aorta |  | 
|  | The jugular notch is in line with the second and third thoracic vertebra, where the left common carotid artery is issued from the aorta. | 
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28. |  | When a person attempts to break their fall with an outstretched hand, they often wind up with __________. 
 
 
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Your Answer: | a Colles' fracture |  | 
|  | a Colles' fracture is a fracture in the distal end of the radius that often occurs when a person attempts to break his or her fall with an outstretched hand. | 
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29. |  | All of the following could lead to "flat feet," EXCEPT __________. 
 
 
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Your Answer: | wearing shoes with arch support |  | 
|  | Wearing shoes with arch support can prevent the development of "flat feet." | 
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30. |  | Which of the following is a congenital abnormality of the appendicular skeleton? 
 
 
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Your Answer: | dysplasia of the hip |  | 
|  | Dysplasia of the hip is considered a congenital abnormality of the appendicular skeleton. |