Chapter 6 Note Package Q’s Flashcards
The connective tissue that stores calcium and phosphorus and supports the body is
Bone
The function of _______ is to store triglycerides
a) mast cells
b) fibroblasts
c) plasma cells
d) adipocytes
e) macrophages
D
The skeleton does all of the following EXCEPT:
a) supports soft tissues.
b) provides attachment points for tendons of skeletal muscles.
c) initiate movement.
d) enclose and protect the brain and spinal cord.
e) store minerals, especially calcium and phosphorous.
D
Which of the following is the membrane that lines the medullary cavity of a long bone?
a) diaphysis
b) periosteum
c) endosteum
d) metaphysis
e) epiphysis
C
Compact bone
a) contains many spaces.
b) is found primarily in the epiphyses of long bones.
c) succumbs to stresses caused by weight and movement.
d) is arranged in structural units called osteons (Haversian systems).
e) is avascular.
D
The tensile strength and flexibility of bone is provided by:
a) the periosteum.
b) mineral salts.
c) collagen fibers.
d) hyaline cartilage.
C
Which two minerals are stored in major quantities in bone tissue?
a) calcium and phosphorus
b) calcium and iron
c) iron and phosphorus
d) calcium and sodium
A
Which statement is NOT true of the protective functions of bones?
a) the vertebral column protects the spinal cord
b) the rib cage protects the small and large intestines
c) the skull protects the brain, eyes and ears
d) spongy bone in flat and irregular bones protects the red bone marrow
B
The examples or bones that deveiop as a resuIt or Intramemoranous bone development:
a) long bones such as femur
b) flat bones of the skull
c) lower jaw bone (mandible)
d) b and c are correct
D
Which of the following situations necessitates formation of bone?
a) Formation of bone in an embryo
b) Growth of bones until adulthood
c) Remodeling of bone
d) Repair of fractures
e) All of the above
E
Which statement is NOT true of hormones and bone growth?
a) growth hormone increases mitosis and protein synthesis in growing bones
b) thyroxine increases protein synthesis and energy production from all foods
c) parathyroid hormone increases absorption of calcium by the small intestine
d) calcitonin increases the reabsorption of calcium from bones
D
Which hormone is specifically responsible for terminating growth at the epiphyseal plate in both men and women as they end adolescence?
a) thyroid hormone
b) estrogen
c) insulin
d) growth hormone
B
All of the following are true of exercise and bone EXCEPT:
a) Exercise causes increased collagen synthesis and mineral deposition in bone.
b) Adults should avoid weight-bearing exercises to prevent bone loss in their later years.
c) Exercise elevates calcitonin levels, thus limiting bone resorption.
d) Individuals who do not exercise tend to lose bone mass.
B
The breakdown of bone matrix
a) is conducted by osteoblasts.
b) requires the deposition of mineral salts by osteocytes.
c) removes minerals and proteins from the blood.
d) is called bone resorption.
D
Which of the following is TRUE of bone remodeling?
a) It occurs only in utero (before birth).
b) It requires the activity of both osteoblasts and osteoclasts.
c) It reconstructs about 50% of bone per year.
d) it occurs at the same rate in all parts of the body.
B
