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C_H_tema9
45 Questions
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C_H_tema9

Created by
@PatientMossAgate4665

Questions and Answers

What is the process responsible for maintaining the characteristic morphology of growing bone?

  • Osteoclastic activity
  • Growth
  • Osteoblastic activity
  • Modelling (correct)

    • Which hormone stimulates resorption in bone remodelling?

  • Calcitonin
  • Estrogen
  • Testosterone
  • PTH (correct)

    • What is the basis for bone turnover or remodelling?

  • Osteoclastic activity
  • Coupling or rotation (correct)
  • Bone formation
  • Osteoblastic activity

    • What does bone remodelling serve to guarantee?

    <p>Mineral reserve</p> Signup and view all the answers

    What inhibits resorption in bone remodelling?

    <p>Nutrition</p> Signup and view all the answers

    What is the process responsible for maintaining the characteristic morphology of growing bone?

    <p>Modelling</p> Signup and view all the answers

    What is the basis for bone turnover or remodelling?

    <p>Coupling</p> Signup and view all the answers

    What stimulates resorption in bone remodelling?

    <p>PTH</p> Signup and view all the answers

    What inhibits resorption in bone remodelling?

    <p>Calcitonin</p> Signup and view all the answers

    What serves to help maintain functions and fluid exchange in cortical bone tissue?

    <p>Bone remodelling</p> Signup and view all the answers

    What is the process responsible for maintaining the characteristic morphology of growing bone?

    <p>Modelling</p> Signup and view all the answers

    Which hormone stimulates resorption in bone remodelling?

    <p>Parathyroid hormone (PTH)</p> Signup and view all the answers

    What guarantees the function of the skeleton as a mineral reserve?

    <p>Bone remodelling</p> Signup and view all the answers

    What inhibits resorption in bone remodelling?

    <p>Nutrition and exercise</p> Signup and view all the answers

    What is the basis for bone turnover or remodelling?

    <p>Conjugated activity of osteoblasts and osteoclasts</p> Signup and view all the answers

    What is the process responsible for maintaining the characteristic morphology of growing bone?

    <p>Modelling</p> Signup and view all the answers

    What is the basis for bone turnover or remodelling?

    <p>Coupling of osteoblasts and osteoclasts</p> Signup and view all the answers

    What hormone stimulates resorption in bone remodelling?

    <p>PTH</p> Signup and view all the answers

    What serves to help maintain functions and fluid exchange in cortical bone tissue?

    <p>Bone remodelling</p> Signup and view all the answers

    What guarantees the function of the skeleton as a mineral reserve?

    <p>Bone remodelling</p> Signup and view all the answers

    Bone growth occurs after closure of the epiphysis plate.

    <p>False</p> Signup and view all the answers

    Bone is a static organ composed of an inorganic extracellular matrix.

    <p>False</p> Signup and view all the answers

    Bone remodelling serves to guarantee the function of the skeleton as a mineral reserve.

    <p>True</p> Signup and view all the answers

    Both growth and modelling require only bone formation to occur at anatomically separate locations.

    <p>False</p> Signup and view all the answers

    Immobilization increases resorption in bone remodelling.

    <p>True</p> Signup and view all the answers

    Bone remodelling ends with the replacement of primary by secondary bone and does not continue throughout life.

    <p>False</p> Signup and view all the answers

    Nutrition and exercise inhibit resorption in bone remodelling.

    <p>True</p> Signup and view all the answers

    Calcitonin stimulates resorption in bone remodelling.

    <p>False</p> Signup and view all the answers

    PTH stimulates resorption in bone remodelling.

    <p>True</p> Signup and view all the answers

    Bone remodelling allows repair, rearrangement, and reorganization in cortical bone tissue.

    <p>False</p> Signup and view all the answers

    Match the following bone cell activities with their responsibilities:

    <p>Osteoblastic activity = Bone formation Osteoclastic activity = Bone resorption Coupling or rotation = Basis for bone turnover or remodelling Modelling = Responsible for maintaining the characteristic morphology of growing bone</p> Signup and view all the answers

    Match the following factors involved in bone remodelling with their effects:

    <p>Endogenous (hormonal) = PTH stimulates resorption and calcitonin inhibits resorption Environmental = Nutrition and exercise inhibit resorption. Immobility increases resorption Bone remodelling = Serves to guarantee the function of the skeleton as a mineral reserve, help maintain functions and fluid exchange in cortical bone tissue, and allow repair, rearrangement, and reorganization in trabecular bone tissue</p> Signup and view all the answers

    Match the following descriptions with their corresponding bone characteristics:

    <p>Dynamic organ = Composed of an inorganic extracellular matrix and constantly being modified by osteoblasts and osteoclasts Cortical bone tissue = Functions as a mineral reserve and requires help to maintain functions and fluid exchange Trabecular bone tissue = Allows repair, rearrangement, and reorganization Primary bone = Replaced by secondary bone but bone remodelling continues throughout life</p> Signup and view all the answers

    Match the following hormones with their effects on bone remodelling:

    <p>PTH = Stimulates resorption Calcitonin = Inhibits resorption Nutrition and exercise = Inhibit resorption Immobility = Increases resorption</p> Signup and view all the answers

    Match the following descriptions with their roles in bone remodelling:

    <p>Nutrition and exercise = Inhibit resorption Immobilization = Increases resorption PTH = Stimulates resorption Calcitonin = Inhibits resorption</p> Signup and view all the answers

    Bone remodelling serves to: o ______ the function of the skeleton as a mineral reserve.

    <p>Guarantee</p> Signup and view all the answers

    What is the basis for bone turnover or remodelling?

    <p>coupling or rotation</p> Signup and view all the answers

    Bone remodelling allows ______ in trabecular bone tissue.

    <p>repair, rearrangement, and reorganization</p> Signup and view all the answers

    The factors involved in remodelling are: o Endogenous (hormonal): PTH stimulates resorption and ______ inhibits resorption.

    <p>calcitonin</p> Signup and view all the answers

    ______ increases resorption in bone remodelling.

    <p>Immobilization</p> Signup and view all the answers

    Bone remodelling does not end with the replacement of primary by secondary bone but ______.

    <p>continues throughout life</p> Signup and view all the answers

    ______ is the process responsible for maintaining the characteristic morphology of growing bone.

    <p>Modelling</p> Signup and view all the answers

    Both growth and modelling require bone formation (______) and bone resorption (osteoclastic activity) to occur at anatomically separate locations.

    <p>osteoblastic activity</p> Signup and view all the answers

    Bone, a dynamic organ, is composed of an inorganic extracellular matrix, and its microarchitecture is constantly being modified by two groups of bone cells with hormonal responses: osteoblasts and ______.

    <p>osteoclasts</p> Signup and view all the answers

    Endogenous (hormonal): ______ stimulates resorption and calcitonin inhibits resorption.

    <p>PTH</p> Signup and view all the answers

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