Bones

Ace your homework & exams now with Quizwiz!

Height begins to decrease on average after age

30

Which person is at highest risk of developing osteoporosis?

A light-skinned postmenopausal woman

Which of the following correctly lists the steps of fracture repair in sequence? A. A hematoma forms, granulation tissue and fibrocartilage develop, osteoclasts and phagocytes clear away debris, bony callus forms. B. A hematoma forms, then osteoblasts arrive to produce new bone tissue. C. Phagocytes clear away debris, osteoblasts remove damaged bone tissue, and a hematoma forms. D. White blood cells arrive during the inflammatory response and differentiate into osteoblasts, which produce new bone. E. A hematoma forms, followed by a bony callus that is replaced by fibrocartilage.

A. A hematoma forms, granulation tissue and fibrocartilage develop, osteoclasts and phagocytes clear away debris, bony callus forms.

Which of the following is not a function of bones? A. Contraction B. Provide points of attachment for muscles C. Produce blood cells D. Store inorganic salts E. Protect internal organs

A. Contraction

Which is true? A. Osteoblasts are large, multinucleated cells that break down calcified bone matrix. B. Osteoblasts deposit bone matrix around themselves and become osteocytes when they are isolated in lacunae. C. Osteoclasts secrete bone matrix and become osteoblasts. D. Embryos and fetuses have only osteoblasts, children have only osteocytes, and adults have only osteoclasts. E. Osteocytes secrete bone matrix and become osteoblasts

B. Osteoblasts deposit bone matrix around themselves and become osteocytes when they are isolated in lacunae.

Which of the following is(are) an example of an intramembranous bone?

Broad, flat skull bones

Which of the following is not a function of bone? A. To protect soft tissues. B. To house the tissue that manufactures blood cells. C. To provide nervous communication from bone to muscle. D. To store inorganic salts. E. To provide a framework for the body.

C. To provide nervous communication from bone to muscle.

The components of the pelvic girdle are called A. hip bones. B. coxal bones. C. innominate bones. D. pelvic bones. E. all of the above.

E. all of the above.

The femur A. is the longest bone in the body. B. extends from the hip to the knee. C. has a large, rounded head. D. articulates with the patella. E. all of the above.

E. all of the above.

Blood cell formation is called osteogenesis. True False

False

Bones are dead. True False

False

Testosterone has a stronger effect on epiphyseal plates than estrogens. True False

False

The femur extends from the knee to the foot. True False

False

The first cervical vertebra is the axis and the second is the atlas. True False

False

The ischium is the anterior part of the hip bone. True False

False

The parietal bones meet the frontal bone along the sagittal suture. True False

False

The sternum develops in three parts: the lower manubrium, middle body, and upper xiphoid. True False

False

Bones are classified as irregular, flat, short, and long. True False

True

If the supply of blood cells is deficient, yellow marrow may change into red marrow. True False

True

Kyphosis is excess curvature of the thorax. True False

True

Men and women begin to lose bone at the same rate by about age 70. True False

True

Osteoclasts are bone-resorbing cells, whereas osteoblasts are bone-forming cells. True False

True

The characteristics of bone that enable it to provide clues to the past of our species are hardness and endurance. True False

True

The ilium is part of the pelvic girdle. True False

True

The small intestine requires vitamin D to adequately absorb calcium. True False

True

The white material that reduces friction at the ends of bones is called

articular cartilage.

The capitulum and trochlea are located

at the distal end of the humerus.

Osteoblasts are ______, whereas osteocytes are ______.

bone-forming cells; mature bone cells

The atlas is one of the

cervical vertebrae.

The medullary cavity of a long bone is lined with a thin cellular layer called ______.

endosteum

It is possible to determine if a child's long bone is growing by examining a radiograph of the

epiphyseal plate.

Phalanges are

finger and toe bones.

The talus, calcaneus, navicular, cuboid, and lateral, intermediate, and cuneiform bones are all part of the

foot.

Secretion of excess ______ ______ causes acromegaly.

growth hormone

Pituitary dwarfism results from a decreased secretion of ______ hormone, which decreases production of ______.

growth; cartilage cells in the epiphyseal plate

The clavicles

hold the shoulders in place and provide attachments for muscles of the back, chest, and upper limbs.

The type of calcium phosphate forming most of the inorganic salts in bone extracellular matrix is

hydroxyapatite.

The acetabulum

is a depression in the hip bone that receives the head of the femur.

A cleft palate results from incomplete development of the

maxillae.

The hard palate is composed of the

maxillary and palatine bones.

Bacteria infecting the mucous membranes in the air cells of the mastoid process most likely spread from the

middle ear.

Sex hormones stimulate

ossification of epiphyseal plates.

Cells that remove excess bone tissue after fracture repair are

osteoclasts and phagocytes.

A six-month-old baby is admitted to the hospital for the third time for a broken bone, and the parents are arrested on charges of child abuse. The defense lawyer gets the charges dropped after the results of genetic tests come back for which condition?

osteogenesis imperfecta.

The tough, fibrous vascular tissue that encloses a long bone is the ______.

periosteum

Endochondral ossification ______, whereas intramembranous ossification ______.

replaces hyaline cartilage; replaces undifferentiated connective tissue

A compound fracture

results when the broken bone is exposed to the outside.

A vitamin D deficiency results in ______, whereas a vitamin A deficiency results in ______.

rickets; retardation of bone development

The hip bones include

the ilium, the ischium, and pubis

The three borders of the scapula are called

the superior, axillary, and vertebral borders.


Related study sets

Quiz 2 pt 3 academic writing style

View Set

Executive Branch of the Federal Government

View Set

Chapter 2 Introduction to Quantitative Research

View Set

LSU ARABIC 1101 FINAL Includes Vocab Chapter 1-6, Textbook Chapter 1 Vocab, Location Prepositions

View Set

Foundations of Nursing Research Chapter 1

View Set

Economics - 3.4.6 - Monopsony - A Level

View Set

Estate Planning: Chapter 2 Estate Planning Documents

View Set