Download Skeletal System

Name _______________________________ Date ________ Score __________
Skeletal System
True/False
Indicate if the following statements are true or false. Correct false statements
1. _________________ Bones surround vital organs to protect them.
2. _________________ Bones store most of the calcium supply of the body.
3. _________________ The epiphysis is the long shaft of bones.
4. _________________ Red marrow is mainly fat cells.
5. _________________ The appendicular skeleton forms the main trunk of the body.
6. _________________The cranium is made of 14 bones.
7. _________________ The maxilla is the lower jawbone.
8. _________________ Foramina are openings in a bone that allow nerves and blood vessels to
enter and leave the bone.
9. _________________ The last two pairs of ribs are called floating ribs because they have no
attachment to the thoracic vertebrae.
10. _________________ The clavicles provide attachment of the upper arm bones.
11. _________________Hemopoiesis, or hematopoiesis, is the production of blood cells.
12. _________________ There are 28 phalanges in the human body.
13. _________________ A saddle joint can be found in the wrist bones.
14. _________________ A comminuted fracture will require surgery to reset the bone for proper
healing.
Multiple Choice
Circle the letter of choice that best completes the statement or answers the question.
15. The proximal and distal ends of long bones are called the ______.
a. Diaphysis
c. Epiphysis
b. Endosteum
d. Medullary canal
16. The membrane that lines the medullary canal is the ______.
a. Periosteum
c. Epiphysis
b. Endosteum
d. Diaphysis
17. The __________ are spaces where blood vessels and nerves can move in and out of the bone
tissue.
a. Ossicles
c. Epiphysis
b. Haversian canals
d. Medullary cavity
18. Spaces, or soft spots, in the cranium that allow for the enlargement of the skull as brain growth
occurs are ______.
a. Fontanels
c. Sutures
b. Foramina
d. Sinuses
19. Areas where the cranial bones have joined together are ______.
a. Fontanels
c. Sutures
b. Foramina
d. Sinuses
20. Vertebrae that are located at the waist are _______.
a. Cervical
c. Thoracic
b. Lumbar
d. Sacral
21. The first 7 pairs of ribs are called _______.
a. False ribs
c. True ribs
b. Intercostal ribs
d. Floating ribs
22. Areas where 2 or more bones join together are ______.
a. Foramina
c. Joints
b. Sutures
d. Ligaments
23. A bone break that pierces or ruptures the skin it is a ______.
a. Depressed fracture
c. Simple fracture
b. Greenstick fracture
d. Compound fracture
24. What is found between at the end of the long bones that is smooth, slippery and bloodless?
a. Cartilage
c. Ligaments
b. Tendons
d. Adipose
25. On the dorsal surface of the body, floating ribs attach to _______.
a. Lumbar vertebrae
c. Thoracic vertebrae
b. Sternum
d. Nothing
26. A fracture caused when only one side of the shaft is broken and the other is bent is a _______.
a. Comminuted fracture
c. Greenstick fracture
b. Compression fracture
d. Transverse fracture
27. The first step in bone repair is ______.
a. Bone remodeling
c. Formation of a bony callus
b. Formation of a hematoma
d. Formation of a cartilaginous callus
28. What type of cell is responsible for the removing and recycling old bone cells
a. Osteoclasts
c. Osteocytes
b. Osteoblasts
d. Matrix
29. Which bone in the axial skeleton does not articulate with any other bones but provides a place
for attachment for the tongue?
a. Mandible
c. Ossicle
b. Hyoid
d. Xiphoid
30. An example of a flat bone and long bone, respectively, are ______.
a. Patella; Vertebrae
c. Carpals; Phalanges
b. Skull; Humerus
d. Femur; Scapula
Short Answer
On a separate sheet paper, answer 5 of the following questions, as completely as possible (ALL PARTS).
31. Bone Marrow
a. Where is the red bone marrow found? What is its function?
b. Where is yellow bone marrow found? What is its function?
c. What is different between adult bone marrow and infant bone marrow?
32. Pelvic Bone
a. What are the major differences between the male and female pelvic bone?
33. Skeleton
a. What are the functions of the skeletal system?
b. What bones are found in the axial skeleton?
c. What bones are found in the appendicular skeleton?
34. Long Bones
Figure 34a
a. Label the diagram (Fig 34a).
b. Where are the long bones located on the body?
c. What is the difference between compact and spongy bone?
35. Fractures
a. List and describe the different types of fractures.
b. Explain the process of bone repair?
36. Joints
a. What are the 3 types of joints found in the human body?
b. Name and give an example of each type of synovial joints.
37. Skull
a. How many bones are found in the Cranium? Name them.
b. How many facial bones are there? Name them.
c. What are the 7 bones that do not articulate with the skull but are associated with it?
38. Vertebrae
a. What are the 3 regions of the vertebra and how many bones are in each?
b. What are the intervertebral discs composed of and what is their function?
c. Name and describe 4 syndromes of the vertebrae.
39. Disorders
a. What are some bone problems an alcoholic might encounter?
b. Look up 5 additional problems with the skeletal system and describe them.
40. Super Sleuth:
Mrs. Jones, a 56 year-old mother of 6, was hospitalized for a hip fracture. Her husband had
noticed that recently her posture had deteriorated. He informed the doctor of this and also the
fact that his wife had complained of acute, severe back pains during a recent camping trip. The
doctor ordered a series of x-rays, which confirmed his suspicions.
a. What disorder did the doctor suspect and why?
b. What evidence would the x-ray show to confirm the diagnosis?
c. What treatment would be appropriate to arrest the progress of the disease and reduce the
risk of future fracture?