Deck 8: The Skeletal System

Question 1

There are _____ pairs of true ribs.

A) 12
B) 14
C) 5
D) 7

Answer 1

7

Question 2

Which membrane lines the medullary cavity?

A) epiphysis
B) periosteum
C) diaphysis
D) endosteum

Answer 2

endosteum

Question 3

How many bones are in the adult vertebral column?

A) 12
B) 19
C) 24
D) 26

Answer 3

26

Question 4

Which structures allow nutrients to reach the osteocytes through the haversian system?

A) lamellae
B) canaliculi
C) osteons
D) trabeculae

Question 5

The structural unit of compact bone is called the

A) lamella
B) canaliculus
C) osteon
D) trabecula

Question 6

Bone-building cells are called

A) osteoblasts
B) osteoclasts
C) osteocytes
D) chondrocytes

Question 7

Which of the following are cartilage cells?

A) osteoblasts
B) osteoclasts
C) osteocytes
D) chondrocytes

Question 8

Which of these are bone-resorbing cells?

A) osteoblasts
B) osteoclasts
C) osteocytes
D) chondrocytes

Question 9

The rings of calcified matrix that make up the haversian system are called

A) lamellae
B) canaliculi
C) osteon
D) trabeculae

Question 10

Which term refers to the ends of a long bone?

A) epiphyses
B) periosteum
C) diaphysis
D) endosteum

Question 11

Which type of joint uses cartilage to connect bones?

A) diarthroses
B) synarthroses
C) amphiarthroses
D) none of the above

Question 12

Which term refers to the shaft of a long bone?

A) epiphysis
B) periosteum
C) diaphysis
D) endosteum

Question 13

Which bone of the skull does not contain sinuses?

A) zygomatic
B) frontal
C) sphenoid
D) ethmoid

Question 14

An abnormal side-to-side curve in the vertebral column is called

A) lordosis
B) kyphosis
C) scoliosis
D) convexities

Question 15

Which is the strong fibrous membrane covering most of the long bone?

A) epiphysis
B) periosteum
C) diaphysis
D) endosteum

Question 16

The needlelike threads of spongy bone are called

A) lamellae
B) canaliculi
C) osteons
D) trabeculae

Question 17

The skeletal system function of hematopoiesis refers to the

A) storage of calcium for the body
B) process of blood cell formation
C) attachment of muscles for movement
D) ability of the skeleton to protect the more delicate structures of the body

Question 18

The sutures are an example of which type of joint?

A) diarthroses
B) synarthroses
C) amphiarthroses
D) none of the above

Question 19

Which is the location in the long bone where hematopoiesis occurs?

A) epiphysis
B) periosteum
C) diaphysis
D) medullary cavity

Question 20

The skeleton can still grow as long as there is cartilage left in the

A) haversian system
B) diaphysis
C) epiphyseal plate
D) chondrocytes

Question 21

Another name for a compound fracture is a(n)_____ fracture.

A) open
B) closed
C) comminuted
D) impacted

Question 22

Bouchard nodes are a common sign of which of the following conditions?

A) sprain
B) strain
C) osteoarthritis
D) dislocation

Question 23

The humerus is an example of a(n)_____ bone.

A) long
B) short
C) flat
D) irregular

Question 24

Diarthrotic joints

A) make up the vast majority of joints in the body
B) allow the least amount of movement
C) are surrounded by a joint capsule
D) both A and C

Question 25

Which of the following is not a form of inflammatory arthritis?

A) rheumatoid arthritis
B) osteoarthritis
C) gouty arthritis
D) infectious arthritis

Question 26

Subluxation is another term for

A) sprain
B) strain
C) avulsion fracture
D) dislocation

Question 27

The region of the vertebral column that contains the largest number of bones is the

A) cervical
B) thoracic
C) lumbar
D) sacrum

Question 28

Which joints permit the widest range of movement?

A) hinge
B) pivot
C) saddle
D) ball-and-socket

Question 29

Which of the following bones is not part of the arm?

A) humerus
B) scapula
C) ulna
D) radius

Question 30

Ensuring that young children have a sufficient amount of vitamin D in their diet will prevent

A) rickets
B) osteomalacia
C) osteoporosis
D) Paget disease

Question 31

Which bone condition occurs most frequently in postmenopausal women with calcium deficiencies?

A) rickets
B) osteomalacia
C) osteoporosis
D) Paget disease

Question 32

The storage function of the skeletal system refers to the storage of the

A) red marrow for the process of blood cell formation
B) mineral sodium for the body
C) mineral calcium for the body
D) both B and C

Question 33

Which of the following is not one of the bones that makes up the hip bone?

A) ilium
B) acetabulum
C) ischium
D) pubis

Question 34

Which of the following is the longest bone of the body?

A) humerus
B) fibula
C) tibia
D) femur

Question 35

The frontal bone of the skull is an example of a(n)_____ bone.

A) long
B) short
C) flat
D) irregular

Question 36

A synovial membrane would most likely be found in

A) the suture of the skull
B) a hinge joint
C) at the symphysis pubis
D) All of the above joints would have a synovial membrane.

Question 37

The hole in the center of the vertebrae is called the

A) vertebral foramen
B) foramen magnum
C) spinous process
D) transverse process

Question 38

People with what condition go through episodes of "frenzied" bone resorption and bone growth?

A) rickets
B) osteomalacia
C) osteoporosis
D) Paget disease

Question 39

What is the name of the spongy bone found inside flat bone?

A) trabecula
B) diploë
C) cancellous
D) osteon

Question 40

The parietal bones form which suture with the frontal bone?

A) fontanel
B) lambdoidal
C) squamous
D) coronal

Question 41

There are more than 20 bones in the skull.

Question 42

Osteocytes live in the canaliculi of the osteon.

Question 43

Growth of a bone occurs at the epiphyseal plates.

Question 44

Cartilage cells are called chondrocytes.

Question 45

Growth of a bone can only continue if there is cartilage in the center of the diaphysis.

Question 46

The skeletal system supplies a place for the formation of blood cells.

Question 47

The medullary cavity is the site for blood cell formation in the adult skeleton.

Question 48

Osteoblasts and osteoclasts have opposite functions in bone formation and growth.

Question 49

Trabeculae and osteons have similar functions in the two types of bone.

Question 50

Long bones have one diaphysis and two epiphyses.

Question 51

The periosteum is deep to the endosteum.

Question 52

A function of the skeletal system is to act as a storage area for calcium.

Question 53

Yellow marrow is stored in the medullary cavity.

Question 54

Unlike osteocytes,chondrocytes are located in lacunae.

Question 55

If the body requires more calcium in the blood,the activity of osteoclasts will increase.

Question 56

The skull contains eight sinuses.

Question 57

The medullary cavity is deep to the periosteum.

Question 58

The repair of a broken bone increases the activity of osteoblasts.

Question 59

The lamellae of the osteon surround the central canal.

Question 60

Nutrients needed by the osteocytes are carried through the canaliculi.

Question 61

A slipped disk damages a diarthrotic joint.

Question 62

The most important functional difference between the male and the female skeleton is related to its role in reproduction.

Question 63

In the vertebral column,the coccyx is inferior to the sacrum.

Question 64

Ligaments are strong bands of connective tissue that connect bones to other bones.

Question 65

An infection of a sinus is called mastoiditis.

Question 66

The joining point of the temporal and occipital bones of the skull forms the lambdoidal suture.

Question 67

Scoliosis results from an exaggerated lumbar curve.

Question 68

The scapula and clavicle form the pectoral girdle.

Question 69

Floating ribs join the costal cartilage of the seventh rib.

Question 70

The sacral and cervical parts of the vertebral column form convex curves.

Question 71

The most important functional difference between the male and the female skeleton is the size.

Question 72

A skeleton composed of nothing but synarthrotic joints would have virtually no movement.

Question 73

Floating ribs are named "floating" because they are not joined to any other bone.

Question 74

Flexion is a characteristic movement of a pivot joint.

Question 75

Nonmoving joints are called diarthrotic joints.

Question 76

The articular cartilage has two functions: to act as a shock absorber and to reduce friction in the joint.

Question 77

All diarthrotic joints have joint capsules.

Question 78

The hyoid bone forms both a diarthrotic and a synarthrotic joint.

Question 79

The symphysis pubis is an example of an amphiarthrotic joint.

Question 80

The soft spots on a baby's skull are called fontanels.