Deck 7: Skeletal System

Question 1

The bone-forming cells are called

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

Answer 1

C

Question 2

The humerus is an example of

A) a short bone
B) a long bone
C) a flat bone
D) an irregular bone

Answer 2

B

Question 3

The ends of long bones are called the

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

Answer 3

B

Question 4

Nutrients pass from the blood vessels to the bone cells by way of the

A) central canal
B) canaliculi
C) lacunae
D) lamella

Question 5

Which bone does not contain one of the paranasal sinuses?

A) Mandible
B) Maxillary
C) Frontal
D) Ethmoid

Question 6

Trabeculae are

A) needlelike threads of spongy bone
B) the basic structure of cartilage
C) the basic structure of compact bone
D) the basic structure of bone marrow

Question 7

The strong,fibrous membrane covering the shaft of the long bone is called the

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

Question 8

Which of the following is not a function of the skeletal system?

A) Movement
B) Calcium storage
C) Blood cell formation
D) All of the above are functions of the skeletal system

Question 9

Which bone is not part of the axial skeleton?

A) Ribs
B) Vertebrae
C) Carpal bone
D) Sternum

Question 10

The bone cells in the Haversian system are found in little spaces called

A) central canal
B) canaliculi
C) lacunae
D) none of the above

Question 11

Another name for the Haversian system is

A) central canal
B) lacunae
C) canaliculi
D) osteon

Question 12

The red bone marrow is important in the skeletal function of

A) protection
B) support
C) hematopoiesis
D) storage

Question 13

The bone-resorbing cells are called

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

Question 14

The bones of the spine are examples of

A) a short bone
B) a long bone
C) a flat bone
D) an irregular bone

Question 15

The wrist bone is an example of

A) a short bone
B) a long bone
C) a flat bone
D) an irregular bone

Question 16

Which bone is not part of the appendicular skeleton?

A) Humerus
B) Ulna
C) Tibia
D) Hyoid bone

Question 17

The thin,fibrous membrane that lines the medullary cavity is called the

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

Question 18

As long as this is present in a bone,bone growth can continue.

A) Diaphysis
B) Epiphyseal plate
C) Epiphysis
D) Osteoclasts

Question 19

The hollow shaft of a long bone is called the

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

Question 20

Cartilage cells are called

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

Question 21

The bone at the back of the skull is called the

A) temporal
B) parietal
C) sphenoid
D) none of the above

Question 22

The elbow is an example of a(n)

A) amphiarthrotic joint
B) synarthrotic joint
C) diarthrotic joint
D) none of the above

Question 23

The tarsals are the bones of the

A) wrist
B) foot
C) ankle
D) none of the above

Question 24

The bone of the thigh is the

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

Question 25

Which of the following statements is true of both bone and cartilage?

A) They both contain more intercellular matrix than cells.
B) Both bone and cartilage cells are supplied with food and oxygen through canaliculi.
C) Both bone and cartilage cells are located in lacunae.
D) Both a and c are true.

Question 26

The two bones of the lower arm are the

A) tibia and fibula
B) femur and humerus
C) ulna and radius
D) none of the above

Question 27

Which of the following is not a type of bone?

A) Round
B) Flat
C) Long
D) Short

Question 28

Ribs that do not attach to costal cartilage at all are

A) true ribs
B) false ribs
C) floating ribs
D) none of the above

Question 29

The metacarpals are the bones of the

A) wrist
B) foot
C) ankle
D) none of the above

Question 30

The upper jaw bone is called the

A) zygomatic
B) maxilla
C) mandible
D) none of the above

Question 31

The cheekbone is called the

A) zygomatic
B) maxilla
C) mandible
D) none of the above

Question 32

The section of the vertebral column that contains the most vertebrae is the

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

Question 33

Ribs that attach individually to the sternum by way of the costal cartilage are

A) true ribs
B) false ribs
C) floating ribs
D) none of the above

Question 34

The phalanges are the bones of the

A) fingers
B) wrists
C) toes
D) both a and c above

Question 35

Which of the following statements is not true of ribs?

A) All ribs attach to vertebrae.
B) All ribs attach to the sternum.
C) There are three pairs of false ribs.
D) All of the above are true of ribs.

Question 36

The knee is an example of a(n)

A) amphiarthrotic joint
B) synarthrotic joint
C) diarthrotic joint
D) none of the above

Question 37

A suture is an example of a(n)

A) amphiarthrotic joint
B) synarthrotic joint
C) diarthrotic joint
D) none of the above

Question 38

In the adult skeleton,red bone marrow is found in the

A) diaphysis
B) medullary canal
C) epiphysis
D) endosteum

Question 39

The two bones of the lower leg are the

A) tibia and fibula
B) femur and humerus
C) ulna and radius
D) none of the above

Question 40

The total number of phalanges in the body is

A) 14
B) 28
C) 56
D) 84

Question 41

Which of the following is not true of the male skeleton?

A) The bones tend to be larger than the female skeleton.
B) The pelvic opening is wider than the female pelvic opening.
C) The markings on the bones are larger and more distinct than in the female.
D) All of the above are true of the male skeleton.

Question 42

The primary organ of the skeletal system is

A) cartilage
B) bone
C) bone and cartilage
D) bone, cartilage, and the joints

Question 43

Moving part of the body toward the midline of the body is

A) flexion
B) rotation
C) abduction
D) extension
E) adduction
F) circumduction

Question 44

The diploe

A) is found in the medullary cavity
B) is the outer layer of a long bone
C) is the inner layer of a long bone
D) is the middle layer of a flat bone

Question 45

The lambdoidal suture is formed by the joining of the

A) occipital bone and the temporal bones
B) temporal bones and the frontal bone
C) parietal bones and the occipital bone
D) parietal bones and the frontal bone

Question 46

Regarding the density of the bone,what occurs after age 50?

A) Bone density often increases slowly.
B) Bone density often decreases slowly.
C) Bone density often decreases but gradually increases.
D) There are no changes that occur.

Question 47

Which of the following is not true of PTH?

A) It is made in the parathyroid gland.
B) It increases blood calcium.
C) It decreases blood calcium.
D) It decreases bone calcium.

Question 48

Straightening a bent elbow is

A) flexion
B) rotation
C) abduction
D) extension
E) adduction
F) circumduction

Question 49

Going from superior to inferior,the regions of the spine would be in which order?

A) Cervical, thoracic, sacrum, coccyx, lumbar
B) Cervical, thoracic, lumbar, sacrum, coccyx
C) Cervical, lumbar, thoracic, coccyx, sacrum
D) Cervical, thoracic, lumbar, coccyx, sacrum

Question 50

Moving the arm in a circle around the shoulder joint is
a.
flexion
b.
rotation
c.
abduction
d.
extension
e.
adduction
f. circumduction

Question 51

Which of the following increases the angle of a joint?

A) Flexion
B) Rotation
C) Abduction
D) Extension
E) Adduction
F) Circumduction

Question 52

A treatment method for osteoporosis,a condition where there is too little calcium in the bone,might be to

A) stimulate the release of calcitonin from the parathyroid gland
B) stimulate the release of PTH from the thyroid gland
C) stimulate the release of calcitonin from the thyroid gland
D) none of the above would be a possible method of treatment

Question 53

Moving part of the body away from the midline of the body is

A) flexion
B) rotation
C) abduction
D) extension
E) adduction
F) circumduction

Question 54

Which of the following reduces the angle of a joint?

A) Flexion
B) Rotation
C) Abduction
D) Extension
E) Adduction
F) Circumduction

Question 55

Which of the following is not true of calcitonin?

A) It is made in the thyroid gland.
B) It increases blood calcium.
C) It decreases blood calcium.
D) It increases calcium in the bone.

Question 56

Bending the elbow is

A) flexion
B) rotation
C) abduction
D) extension
E) adduction
F) circumduction

Question 57

Which bone is not part of the coxal bone?

A) Sacrum
B) Pubis
C) Ischium
D) Ilium

Question 58

Moving from superficial to deep in a bone,the parts of the bone would be encountered in which sequence?

A) Periosteum, endosteum, medullary cavity
B) Endosteum, periosteum, medullary cavity
C) Periosteum, medullary cavity, endosteum
D) Endosteum, medullary cavity, periosteum

Question 59

A bone that may develop in a tendon is called a(n)

A) sesamoid bone
B) irregular bone
C) long bone
D) none of the above would develop in a tendon

Question 60

Which of the following spins one bone relative to another?

A) Flexion
B) Rotation
C) Abduction
D) Extension
E) Adduction
F) Circumduction

Question 61

The concentric rings surrounding the central canal of an osteon are called lamella.

Question 62

Most of the bones of the body begin as cartilage.

Question 63

The vertebrae are examples of flat bones.

Question 64

The lacuna is a large canal in the center of the osteon that contains a blood vessel.

Question 65

Canaliculi are small canals that help supply the bone cells with food and oxygen.

Question 66

The storage of calcium is an important function of the skeletal system.

Question 67

The periosteum lines the medullary cavity.

Question 68

The needlelike threads of spongy bone are called trabeculae.

Question 69

Osteoblasts are the bone-resorbing cells.

Question 70

The red bone marrow contributes to the support function of the skeletal system.

Question 71

The diaphysis is the hollow shaft of the long bone.

Question 72

The frontal bone of the skull is an example of an irregular bone.

Question 73

The carpals are an example of short bones.

Question 74

The articular cartilage covers and cushions the ends of the bones.

Question 75

The "soft spots" in a baby's skull are referred to as fontanels.

Question 76

Chondrocytes are cartilage cells.

Question 77

Osteoclasts are the bone-forming cells.

Question 78

A person who works daily with a heavy load on his/her right arm would expect to have

A) less dense bones in the right arm and shoulder
B) denser bones in the left arm and shoulder
C) denser bones in the right arm and shoulder
D) no change in the density of bone in either arm or shoulder

Question 79

The epiphysis is the hollow area in the shaft of the bone where marrow is stored.

Question 80

As long as the epiphyseal plate remains between the diaphysis and epiphysis,bone growth can continue.