![]() Question: In the epiphyseal plate, the microscopic zone in which chondrocytes undergo rapid cell division and become aligned into longitudinal columns of flattened lacunae is called the Question: Mechanical stress applied to bone _ osteoblast activity in bone tissue, and the removal of mechanical stress _ osteoblast activity.Īnswer: Build/Retain Bone Mass-Weightlifting -Walking-Gravitational forcesWeaken/Reduce Bone Mass-Sitting-A sedentary lifestyle-Astronauts in space-Limb immobilization Question: Lack of sunlight will directly affect the formation of Question: The type of bone that contains no osteons, but consists of trabeculae composed of parallel lamellae is _ bone. Question: The shaft of a long bone is called the _, while the expanded, knobby region at each end is called the _. Question: Indicate if the listed hormone increases or decreases blood calcium levels.Īnswer: 1. Question: Once the epiphyseal plate fuses and forms an epiphyseal line, the long bone continues to grow in length, but at a slower rate. Question: Place the following terms or examples within the correct category.Īnswer: Hyaline Cartilage-Forms articular cartilage-Composes epiphyseal plates-Attaches to ribs of sternumFibrocartilage-Weight-bearing cartilage-Withstands compression-Forms intervertebral discs ![]() Question: Drag each label into the proper position in order to identify the outcome of each condition on blood calcium.Īnswer: Increases Blood Calcium-Osteoclastic activity-Calcitriol-Parathyroid hormone-Increased bone resorptionDecreases Blood Calcium-Osteoblastic activity-Increased use of sunblock-Calcitonin ![]() Question: Calcium homeostasis is maintained by two hormones: parathyroid hormone and _.
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