Long Bone Labeling Quiz

1. Which membrane covers most of a long bone's external surface but does not cover its articular cartilage?

2. Which label belongs on an expanded end of a long bone?

3. A cross-section through the shaft shows a thick, dense wall surrounding the central cavity. Which tissue forms most of that wall?

4. A smooth cap reduces friction where the end of a long bone meets another bone. Which structure should be labeled?

5. A sample is taken from the medullary cavity of an adult long-bone shaft and contains tissue specialized mainly for fat storage. What is it?

6. What is the region between the diaphysis and an epiphysis called?

7. During a procedure, an instrument reaches the thin membrane lining the inside of the medullary cavity. Which structure has it touched?

8. Which tissue forms the lattice-like internal framework commonly found within the epiphyses?

9. A blood vessel enters the shaft through a visible opening in the bone. Which landmark should be labeled at that opening?

10. A label points to the large hollow space running through the center of the diaphysis. What is this space?

11. In an adult proximal femur, tissue within trabecular spaces is actively producing blood cells. Which label best identifies this tissue?

12. Which term labels the long central shaft of a typical long bone?

13. In a mature adult, which structure marks the former location of the growth plate?

14. A magnified view of spongy bone shows one thin, branching bony strut. What should that individual strut be called?

15. On an anatomically positioned femur, a pointer marks the expanded end nearest the trunk. Which regional label is most precise?

16. An X-ray of a growing child's long bone shows a cartilage zone where lengthwise growth occurs. Which label fits this zone?