Which type of cell is responsible for breaking down bone tissue?
Osteoclast.
Chondrocytes.
Osteocytes.
Osteoblast.
The Correct Answer is A
Osteoclasts are the type of cells that break down bone tissue by secreting acid and enzymes.
They are derived from monocytes and macrophages, two types of white blood cells.
Choice B is incorrect because chondrocytes are the cells that produce and maintain cartilage, a flexible connective tissue found in joints.
Choice C is incorrect because osteocytes are the mature bone cells that maintain the mineral concentration of the bone matrix.
They are derived from osteoblasts, the bone-forming cells.
Choice D is incorrect because osteoblasts are the cells that form new bone by synthesizing and secreting collagen and calcium salts.
They are derived from osteogenic cells, the undifferentiated cells that can divide.
Nursing Test Bank
Naxlex Comprehensive Predictor Exams
Related Questions
Correct Answer is ["Tibia"]
Explanation
The tibia, also known as the shinbone, is the larger of the two bones in the lower leg.
It is a long bone that extends from the knee joint to the ankle joint, and it plays an important role in supporting body weight and providing attachment sites for muscles.
The tibia has a triangular cross-section and features several surface landmarks, including the tibial plateau, the medial malleolus, and the tibial tuberosity.
The bone is also involved in the formation of the knee joint and the ankle joint, where it articulates with the femur and the talus bones, respectively.
Correct Answer is A
Explanation
Osteoclasts are the type of cells that break down bone tissue by secreting acid and enzymes.
They are derived from monocytes and macrophages, two types of white blood cells.
Choice B is incorrect because chondrocytes are the cells that produce and maintain cartilage, a flexible connective tissue found in joints.
Choice C is incorrect because osteocytes are the mature bone cells that maintain the mineral concentration of the bone matrix.
They are derived from osteoblasts, the bone-forming cells.
Choice D is incorrect because osteoblasts are the cells that form new bone by synthesizing and secreting collagen and calcium salts.
They are derived from osteogenic cells, the undifferentiated cells that can divide.
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