Which of the following bone tissues is adapted to support weight and withstand twisting stresses?
Irregular bone
Trabecular bone
Interstitial bone
Compact bone
Spongy bone
The Correct Answer is D
Choice A reason: Irregular bones have complex shapes and serve various functions, such as protection and muscle attachment, but they are not specialized for weight-bearing or resistance to twisting.
Choice B reason: Trabecular bone, also known as spongy bone, is lightweight and porous. It helps absorb shock and supports bone marrow but is not optimized for resisting twisting stresses.
Choice C reason: Interstitial bone refers to remnants of old osteons found between newer ones in compact bone. It is not a distinct tissue type adapted for mechanical stress.
Choice D reason: Compact bone is the correct answer. It is dense and organized into osteons, which provide strength and resistance to compressive and torsional forces. It forms the outer layer of bones and is especially prominent in the diaphysis of long bones.
Choice E reason: Spongy bone is adapted for shock absorption and lightness but lacks the dense structure needed to resist twisting and heavy loads.
Nursing Test Bank
Naxlex Comprehensive Predictor Exams
Related Questions
Correct Answer is A
Explanation
Choice A reason: Fast glycolytic fibers are specialized for short bursts of high-intensity activity. They rely on anaerobic metabolism, have large diameters, high glycogen content, and contract rapidly. Sprinting demands explosive power and speed, making these fibers ideal for the task.
Choice B reason: Raking leaves is a moderate-intensity, sustained activity that relies more on slow oxidative or intermediate fibers. It does not require the rapid, forceful contractions characteristic of fast glycolytic fibers.
Choice C reason: Maintaining posture involves continuous, low-intensity contractions, typically supported by slow oxidative fibers. These fibers are fatigue-resistant and suited for endurance, not rapid force generation.
Choice D reason: Hitting a golf ball involves a quick, forceful movement, but it is more reliant on fast oxidative-glycolytic fibers due to the need for both speed and some endurance. It is not as purely anaerobic and explosive as sprinting.
Choice E reason: Running a marathon is a prolonged endurance activity that depends heavily on slow oxidative fibers, which are efficient at aerobic metabolism and fatigue-resistant. Fast glycolytic fibers are not suited for this type of sustained effort.
Correct Answer is D
Explanation
Choice A reason: Epiphysis and diaphysis refer to regions of a long bone—the ends and shaft respectively—not to the coverings of bone surfaces.
Choice B reason: This reverses the anatomical regions but still does not address the coverings of bone surfaces.
Choice C reason: Compact bone and spongy bone are types of bone tissue, not the membranes that line or cover bone surfaces.
Choice D reason: The periosteum is a dense fibrous membrane that covers the external surface of bones, providing attachment points for tendons and ligaments and housing blood vessels and nerves. The endosteum lines the internal surfaces, including the medullary cavity, and plays a role in bone growth and remodeling.
Choice E reason: This reverses the correct anatomical relationship. The endosteum lines the internal surface, not the external.
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