Human A&P- Chapter Seven: Skeletal System

The microscopic bony chambers that house mature bone cells are called _______ Select one: a. central canals. b. perforating canals. c. osteons. d. lacunae. e. canaliculi.

d. lacunae.

Which of the following increase the risk of developing osteoporosis? Select one: a. Lack of physical exercise b. Low intake of vitamin D c. Smoking d. Low intake of dietary calcium e. All of these

e. All of these

Which of the following bones has an acromion process? Select one: a. Humerus b. Clavicle c. Vertebra d. Sternum e. Scapula

e. Scapula

Which of the following is NOT included in the appendicular skeleton? Select one: a. Pectoral girdle b. Lower limbs c. Pelvic girdle d. Upper limbs e. Vertebral column

e. Vertebral column

A bone includes _______ Select one: a. bone tissue. b. blood. c. dense connective tissue. d. cartilage. e. all of these.

e. all of these.

A hip bone includes a (an) _______ Select one: a. acetabulum. b. pubis. c. ischium. d. ilium. e. all of these.

e. all of these.

The joints between the vertebrae of the backbone are best described as _______ Select one: a. fibrous. b. freely movable. c. immovable. d. synovial. e. slightly movable.

e. slightly movable.

The degenerative joint disease osteoarthritis may develop as a result of damage to the _______ Select one: a. epiphyseal plate. b. articular cartilage. c. medullary cavity. d. periosteum. e. diaphysis.

b. articular cartilage.

The salts that are abundant in the extracellular matrix of bone tissue consist largely of _______ Select one: a. sodium chloride. b. calcium phosphate. c. sodium bicarbonate. d. calcium carbonate. e. calcium sulfate.

b. calcium phosphate.

The femur _______ Select one: a. articulates with the patella. b. is all of these. c. has a large rounded head. d. is the longest bone in the body. e. extends from the hip to the knee.

b. is all of these.

Which of the following is part of the facial skeleton? Select one: a. Sphenoid bone b. Temporal bone c. Parietal bone d. Maxillary bone e. Ethmoid bone

d. Maxillary bone

Which of the following is included in the pectoral girdle? Select one: a. Coccyx b. Sternum c. Hip bone d. Scapula e. Sacrum

d. Scapula

Which of the following describes the female pelvis compared to that of the male? Select one: a. The female coccyx is less movable. b. The female pelvic cavity is narrower. c. The distance between the female ischial tuberosities is less. d. The distance between the female ischial spines is greater. e. The female iliac bones are less flared.

d. The distance between the female ischial spines is greater.

Which of the following is NOT a function of bone? Select one: a. To protect soft tissues b. To store inorganic salts c. To house blood-producing cells d. To provide nervous communication from bone to muscle e. To provide points of attachment for muscles

d. To provide nervous communication from bone to muscle

Which of the following is NOT a step in the formation of endochondral bone? Select one: a. Osteoblasts deposit compact bone beneath the periosteum. b. Hyaline cartilage changes to adipose tissue. c. Osteoblasts deposit osseous tissue in place of disintegrating cartilage. d. Periosteum forms from connective tissue on the outside of the developing bone. e. Hyaline cartilage develops into the shape of the future bone.

b. Hyaline cartilage changes to adipose tissue.

Osteoclasts are large cells that cause the breakdown of osseous tissue. Select one: a. FALSE b. TRUE

True

Synovial fluid moistens and lubricates the cartilaginous surfaces within a joint. Select one: a. TRUE b. FALSE

True

The importance of fontanels in the infant's skull is to permit some movement of bones, thereby enabling the infant to pass more easily though the birth canal. Select one: a. TRUE b. FALSE

True

Vitamin D is needed for the proper absorption of calcium in the small intestine. Select one: a. FALSE b. TRUE

True

Sinuses are found within all of the following bones except the _______ Select one: a. ethmoid bones. b. sphenoid bones. c. maxillae. d. frontal bone. e. zygomatic bones.

a. ethmoid bones. b. sphenoid bones. c. maxillae. e. zygomatic bones.

The zygomatic bone is an example of a (an) _______ Select one: a. irregular bone. b. sesamoid bone. c. flat bone. d. short bone. e. long bone.

a. irregular bone.

Articular cartilage is _______ Select one: a. located on the diaphysis of long bones. b. fibrocartilage. c. hyaline cartilage. d. found only in the knees and elbows. e. elastic cartilage.

a. located on the diaphysis of long bones. b. fibrocartilage. c. hyaline cartilage. e. elastic cartilage.

The cells responsible for removing excess bone tissue after the fracture repair process are _______ Select one: a. osteoclasts. b. osteocytes. c. fibroblasts. d. chondrocytes. e. osteoblasts.

a. osteoclasts.

Red bone marrow functions in the formation of _______ Select one: a. red and white blood cells and platelets. b. white blood cells only. c. red blood cells only. d. red and white blood cells only. e. osteocytes.

a. red and white blood cells and platelets.

The presence of an epiphyseal plate indicates that _______ Select one: a. the bone is lengthening. b. the bone is broken. c. the bone is dead. d. the bone is increasing in diameter. e. the bone is no longer lengthening.

a. the bone is lengthening.

The zygomatic arch is composed of processes of the _______ Select one: a. zygomatic and temporal bones. b. temporal and parietal bones. c. zygomatic and sphenoid bones. d. maxilla and temporal bones. e. zygomatic and maxilla bones.

a. zygomatic and temporal bones.

Which of the following bones is NOT included within the lower limb? Select one: a. Patella b. Ulna c. Femur d. Fibula e. Tibia

b. Ulna

The appendicular skeleton consists of the parts that support and protect the head, neck, and trunk. Select one: a. TRUE b. FALSE

False

The hip joint is a pivot joint. Select one: a. FALSE b. TRUE

False

The parietal bones meet the frontal bone along the sagittal suture. Select one: a. TRUE b. FALSE

False

The tarsal bones form the wrist. Select one: a. TRUE b. FALSE

False

A meniscus functions to cushion articulating surfaces of bones. Select one: a. FALSE b. TRUE

True

Most people have 24 ribs. Select one: a. FALSE b. TRUE

True

An osteocyte is a _______ Select one: a. bone forming cell. b. cell that breaks down bone. c. bone cell surrounded by matrix. d. nerve cell in the bone. e. bone marrow cell.

c. bone cell surrounded by matrix.

Bone that develops within sheetlike layers of connective tissue is called _______ Select one: a. osteoclastic bone. b. endochondral bone. c. intramembranous bone. d. appendicular bone. e. cartilaginous bone.

c. intramembranous bone.

A cleft palate results from incomplete development of the _______ Select one: a. palatine bones. b. frontal bone. c. maxillae. d. vomer bone. e. mandible.

c. maxillae.

Cervical vertebrae can be distinguished from other types by the presence of Select one: a. intervertebral discs. b. articulating processes. c. transverse foramina. d. transverse processes. e. vertebral foramina.

c. transverse foramina.