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Questions and Answers
The adult human skeleton has 206 bones.
The adult human skeleton has 206 bones.
True (A)
Compact bone tissue contains many spaces.
Compact bone tissue contains many spaces.
False (B)
The skeletal system includes ligaments but not tendons.
The skeletal system includes ligaments but not tendons.
False (B)
The axial division of the skeletal system includes skull bones.
The axial division of the skeletal system includes skull bones.
Mineral homeostasis is not one of the functions of bones.
Mineral homeostasis is not one of the functions of bones.
The haversian systems are repeating structural units found in spongy bone tissue.
The haversian systems are repeating structural units found in spongy bone tissue.
Under stress, bone tissue becomes weaker through decreased deposition of mineral salts and production of collagen fibres by osteoblasts.
Under stress, bone tissue becomes weaker through decreased deposition of mineral salts and production of collagen fibres by osteoblasts.
Without mechanical stress, bone remodels normally because bone resorption occurs at the same rate as bone formation.
Without mechanical stress, bone remodels normally because bone resorption occurs at the same rate as bone formation.
The main mechanical stresses on bone are those that result from the push of skeletal muscles and the push of gravity.
The main mechanical stresses on bone are those that result from the push of skeletal muscles and the push of gravity.
Deficiency of Vitamin A can result in fragile bones.
Deficiency of Vitamin A can result in fragile bones.
Excessive Growth Hormone can lead to dwarfism.
Excessive Growth Hormone can lead to dwarfism.
Insufficient Thyroid Hormone stimulates bone growth.
Insufficient Thyroid Hormone stimulates bone growth.
Sex hormones contribute to adolescent growth spurt.
Sex hormones contribute to adolescent growth spurt.
Physical stress stimulates bone growth.
Physical stress stimulates bone growth.
Glucocorticoids activate osteoblasts and deposition of bone.
Glucocorticoids activate osteoblasts and deposition of bone.
Vitamin C deficiency leads to rickets and osteomalacia.
Vitamin C deficiency leads to rickets and osteomalacia.
Spongy bone tissue contains osteons.
Spongy bone tissue contains osteons.
Long bones typically have a shaft with heads at both ends.
Long bones typically have a shaft with heads at both ends.
Flat bones contain mostly compact bone.
Flat bones contain mostly compact bone.
Osteoblasts are bone-destroying cells.
Osteoblasts are bone-destroying cells.
Bone remodeling is only a process by osteoblasts.
Bone remodeling is only a process by osteoblasts.
Endochondral ossification is a method where bone forms within sheets of mesenchyme.
Endochondral ossification is a method where bone forms within sheets of mesenchyme.
During endochondral ossification, the development of the medullary cavity occurs at the end of bone growth.
During endochondral ossification, the development of the medullary cavity occurs at the end of bone growth.
Epiphyseal plates allow for the growth of long bones during adulthood.
Epiphyseal plates allow for the growth of long bones during adulthood.
Bone resorption is the action of osteoblasts and calcitonin.
Bone resorption is the action of osteoblasts and calcitonin.
Blood levels of Ca2+ are controlled by positive feedback loops.
Blood levels of Ca2+ are controlled by positive feedback loops.
Bone tissue has the ability to alter its strength in response to changes in mechanical stress.
Bone tissue has the ability to alter its strength in response to changes in mechanical stress.
What is the main function of bones in the human body?
What is the main function of bones in the human body?
Which division of the skeletal system includes bones of the upper and lower limbs, shoulder, and hip bones?
Which division of the skeletal system includes bones of the upper and lower limbs, shoulder, and hip bones?
What is the primary tissue found in compact bone?
What is the primary tissue found in compact bone?
During which process does bone formation occur within sheets of mesenchyme?
During which process does bone formation occur within sheets of mesenchyme?
What is the total number of bones in the adult human skeleton?
What is the total number of bones in the adult human skeleton?
Which type of bone tissue contains osteons or haversian systems?
Which type of bone tissue contains osteons or haversian systems?
What is the main reason bone does not remodel normally without mechanical stress?
What is the main reason bone does not remodel normally without mechanical stress?
Which hormone is required for bone development before puberty?
Which hormone is required for bone development before puberty?
What deficiency results in fragile bones?
What deficiency results in fragile bones?
Which hormone can lead to gigantism and acromegaly if in excess?
Which hormone can lead to gigantism and acromegaly if in excess?
What stimulates bone growth?
What stimulates bone growth?
What is the main mechanical stress on bone that results from the pull of skeletal muscles and gravity?
What is the main mechanical stress on bone that results from the pull of skeletal muscles and gravity?
Which deficiency results in rickets and osteomalacia?
Which deficiency results in rickets and osteomalacia?
Which hormone promotes bone formation and stimulates ossification of epiphyseal plates?
Which hormone promotes bone formation and stimulates ossification of epiphyseal plates?
What is the role of weight-bearing activity in bone development?
What is the role of weight-bearing activity in bone development?
Which hormone is required for adolescent growth spurt?
Which hormone is required for adolescent growth spurt?
Which type of bone typically contains mostly spongy bone?
Which type of bone typically contains mostly spongy bone?
What is the function of the articular cartilage in long bones?
What is the function of the articular cartilage in long bones?
What is the function of the periosteum in long bones?
What is the function of the periosteum in long bones?
What is the primary function of osteoclasts?
What is the primary function of osteoclasts?
At what stage of bone formation does mesenchyme form hyaline cartilage which then develops into bone?
At what stage of bone formation does mesenchyme form hyaline cartilage which then develops into bone?
What is the function of the epiphyseal plates in long bones during childhood?
What is the function of the epiphyseal plates in long bones during childhood?
Which hormone increases osteoclast activity and decreases loss of Ca2+ in urine as part of bone homeostasis?
Which hormone increases osteoclast activity and decreases loss of Ca2+ in urine as part of bone homeostasis?
How does bone tissue respond to changes in mechanical stress?
How does bone tissue respond to changes in mechanical stress?
Which type of bones contain thin layers of compact bone around a layer of spongy bone?
Which type of bones contain thin layers of compact bone around a layer of spongy bone?
What occurs during endochondral ossification at the time of birth?
What occurs during endochondral ossification at the time of birth?
What is the primary method by which most bones form according to the text?
What is the primary method by which most bones form according to the text?
What is contained in the medullary cavity in adults according to the text?
What is contained in the medullary cavity in adults according to the text?
Which type of bone typically contains mostly spongy bone?
Which type of bone typically contains mostly spongy bone?
What is the primary function of osteoclasts?
What is the primary function of osteoclasts?
Which division of the skeletal system includes bones of the upper and lower limbs, shoulder, and hip bones?
Which division of the skeletal system includes bones of the upper and lower limbs, shoulder, and hip bones?
What occurs during endochondral ossification at the time of birth?
What occurs during endochondral ossification at the time of birth?
What is contained in the medullary cavity in adults according to the text?
What is contained in the medullary cavity in adults according to the text?
Under stress, bone tissue becomes weaker through decreased deposition of mineral salts and production of collagen fibres by osteoblasts.
Under stress, bone tissue becomes weaker through decreased deposition of mineral salts and production of collagen fibres by osteoblasts.
What is the primary role of weight-bearing activity in bone development?
What is the primary role of weight-bearing activity in bone development?
Which hormone is required for bone development before puberty?
Which hormone is required for bone development before puberty?
What occurs during endochondral ossification at the time of birth?
What occurs during endochondral ossification at the time of birth?
What is the function of the articular cartilage in long bones?
What is the function of the articular cartilage in long bones?
Which deficiency results in fragile bones?
Which deficiency results in fragile bones?
What is the main mechanical stress on bone that results from the pull of skeletal muscles and gravity?
What is the main mechanical stress on bone that results from the pull of skeletal muscles and gravity?
Which type of bone typically contains mostly spongy bone?
Which type of bone typically contains mostly spongy bone?
What is the total number of bones in the adult human skeleton?
What is the total number of bones in the adult human skeleton?
What is contained in the medullary cavity in adults according to the text?
What is contained in the medullary cavity in adults according to the text?
Which hormone promotes bone formation and stimulates ossification of epiphyseal plates?
Which hormone promotes bone formation and stimulates ossification of epiphyseal plates?
What is the primary method by which most bones form according to the text?
What is the primary method by which most bones form according to the text?
What are Sharpey's fibers responsible for?
What are Sharpey's fibers responsible for?
Which type of bones are generally cube-shaped and contain mostly spongy bone?
Which type of bones are generally cube-shaped and contain mostly spongy bone?
What is the function of the articular cartilage in long bones?
What is the function of the articular cartilage in long bones?
What is the function of osteoclasts in bone tissue?
What is the function of osteoclasts in bone tissue?
Which type of bone tissue contains osteons or Haversian systems?
Which type of bone tissue contains osteons or Haversian systems?
What occurs during endochondral ossification at the time of birth?
What occurs during endochondral ossification at the time of birth?
Which hormone increases osteoclast activity and decreases loss of Ca2+ in urine as part of bone homeostasis?
Which hormone increases osteoclast activity and decreases loss of Ca2+ in urine as part of bone homeostasis?
What is contained in the medullary cavity in adults according to the text?
What is contained in the medullary cavity in adults according to the text?
What stimulates bone growth?
What stimulates bone growth?
Which division of the skeletal system includes bones of the upper and lower limbs, shoulder, and hip bones?
Which division of the skeletal system includes bones of the upper and lower limbs, shoulder, and hip bones?
What is the total number of bones in the adult human skeleton?
What is the total number of bones in the adult human skeleton?
What factors contribute to bone development, growth, and repair, as mentioned in the text?
What factors contribute to bone development, growth, and repair, as mentioned in the text?
How does deficiency of Vitamin A, Vitamin C, and Vitamin D affect bone development, as mentioned in the text?
How does deficiency of Vitamin A, Vitamin C, and Vitamin D affect bone development, as mentioned in the text?
What are the effects of insufficient and excessive growth hormone on bone growth, as mentioned in the text?
What are the effects of insufficient and excessive growth hormone on bone growth, as mentioned in the text?
How do sex hormones and physical stress contribute to bone formation, as mentioned in the text?
How do sex hormones and physical stress contribute to bone formation, as mentioned in the text?
What are the effects of insufficient thyroid hormone on bone growth, as mentioned in the text?
What are the effects of insufficient thyroid hormone on bone growth, as mentioned in the text?
What is the role of glucocorticoids in bone homeostasis, as mentioned in the text?
What is the role of glucocorticoids in bone homeostasis, as mentioned in the text?
How does physical stress affect bone tissue, as mentioned in the text?
How does physical stress affect bone tissue, as mentioned in the text?
What are the factors that contribute to the strength of bone tissue, as mentioned in the text?
What are the factors that contribute to the strength of bone tissue, as mentioned in the text?
What is the primary mechanical stress on bone, as mentioned in the text?
What is the primary mechanical stress on bone, as mentioned in the text?
What are the factors necessary for bone development, growth, and repair, as mentioned in the text?
What are the factors necessary for bone development, growth, and repair, as mentioned in the text?
What is the primary function of the epiphyseal plates in long bones during childhood?
What is the primary function of the epiphyseal plates in long bones during childhood?
What occurs during endochondral ossification at the time of birth?
What occurs during endochondral ossification at the time of birth?
What stimulates bone growth?
What stimulates bone growth?
What is the primary method by which most bones form according to the text?
What is the primary method by which most bones form according to the text?
What is the primary function of osteoclasts?
What is the primary function of osteoclasts?
Which type of bone typically contains mostly spongy bone?
Which type of bone typically contains mostly spongy bone?
What is contained in the medullary cavity in adults according to the text?
What is contained in the medullary cavity in adults according to the text?
During endochondral ossification, the development of the medullary cavity occurs at what stage of bone growth?
During endochondral ossification, the development of the medullary cavity occurs at what stage of bone growth?
What is the function of the articular cartilage in long bones?
What is the function of the articular cartilage in long bones?
What deficiency results in rickets and osteomalacia?
What deficiency results in rickets and osteomalacia?
Which hormone promotes bone formation and stimulates ossification of epiphyseal plates?
Which hormone promotes bone formation and stimulates ossification of epiphyseal plates?
How does bone tissue respond to changes in mechanical stress?
How does bone tissue respond to changes in mechanical stress?
What are the six functions of bones?
What are the six functions of bones?
How many bones does the adult skeleton have?
How many bones does the adult skeleton have?
What are the two basic types of bone tissue?
What are the two basic types of bone tissue?
What is the main mechanical stress on bone that results from the push of skeletal muscles and the push of gravity?
What is the main mechanical stress on bone that results from the push of skeletal muscles and the push of gravity?
What are the two divisions of the skeletal system?
What are the two divisions of the skeletal system?
What is contained in the medullary cavity in adults according to the text?
What is contained in the medullary cavity in adults according to the text?
