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문제 1
Blood cell formation occurs in:
(a) Yellow bone marrow
(b) Red bone marrow
(c) The matrix of bone tissue
(d) The ground substance of bones
문제 2
Two-thirds of the weight of bone is accounted for by:
(a) Crystals of calcium phosphate
(b) Collagen fibers
(c) Osteocytes
(d) Calcium carbonate
문제 3
The membrane found wrapping the bones, except within the joint cavity, is the:
(a) Periosteum
(b) Endosteum
(c) Perforating fibers
(d) A, b, and c are correct
문제 4
The basic functional unit of compact bone is the Haversian system or:
(a) Osteocyte
(b) Osteoclast
(c) Osteon
(d) Osseous matrix
(e) Osseous lamellae
문제 5
The vitamins essential for normal adult bone maintenance and repair are:
(a) A and E
(b) C and D3
(c) B and E
(d) B complex and K
문제 6
The hormones that coordinate the storage, absorption, and excretion of calcium ions are:
(a) Growth hormone and thyroxine
(b) Calcitonin and parathyroid hormone
(c) Calcitriol and cholecalciferol
(d) Estrogens and androgens
문제 7a
Classify the bones in the following diagram according to their shape.
a. _____
문제 7b
Classify the bones in the following diagram according to their shape.
b. _____
문제 7c
Classify the bones in the following diagram according to their shape.
c. _____
문제 7d
Classify the bones in the following diagram according to their shape.
d. _____
문제 7e
Classify the bones in the following diagram according to their shape.
e. _____
문제 7f
Classify the bones in the following diagram according to their shape.
f. _____
문제 8
The presence of an epiphyseal line indicates:
(a) Epiphyseal growth has ended
(b) Epiphyseal growth is just beginning
(c) Growth of bone diameter is just beginning
(d) The bone is fractured at the location
(e) No particular event
문제 9
The primary reason that osteoporosis accelerates after menopause in women is:
(a) Reduced levels of circulating estrogens
(b) Reduced levels of vitamin C
(c) Diminished osteoclast activity
(d) Increased osteoblast activity
문제 10
The nonpathologic loss of bone that occurs with aging is called:
(a) Osteomyelitis
(b) Osteoporosis
(c) Osteopenia
(d) Osteitis
(e) Osteomalacia
문제 11
Name the major functions of the skeletal system.
문제 12
List the four distinctive cell populations of bone tissue.
문제 13
What are the primary parts of a typical long bone?
문제 14
What is the primary difference between endochondral ossification and intramembranous ossification?
문제 15
List the organic and inorganic components of bone matrix.
문제 17
Which three organs or tissues interact to assist in the regulation of calcium ion concentration in body fluids?
문제 18
What are the major effects of parathyroid hormone?
문제 19
If spongy bone has no osteons, how do nutrients reach the osteocytes?
문제 20
Why are stresses or impacts to the side of the shaft in a long bone more dangerous than stress applied to the long axis of the shaft?
문제 21
Why do extended periods of inactivity cause degenerative changes in the skeleton?
문제 22
What are the functional relationships between the skeleton, on the one hand, and the digestive and urinary systems, on the other?
문제 23
Why would a physician be concerned about the growth patterns of a young child request an x-ray of the hand?
문제 24
Why does a second fracture in the same bone tend to occur at a site different from that of the first fracture?
문제 25
The process of bone growth at the epiphyseal cartilage is similar to:
(a) Intramembranous ossification
(b) Endochondral ossification
(c) The process of osteopenia
(d) The process of healing a fracture
(e) The process of calcification
문제 27
While playing on her swing set, 10-year-old Sally falls and breaks her right leg. At the emergency room, the doctor tells her parents that the proximal end of the tibia where the epiphysis meets the diaphysis is fractured. The fracture is properly set and eventually heals. During a routine physical when she is 18, Sally learns that her right leg is 2 cm shorter than her left, probably because of her accident. What might account for this difference?
