QQuestionAnatomy and Physiology
QuestionAnatomy and Physiology
The shaft of a long bone is called the ________ and the end of the long bone nearest the point of attachment is called the ________.
A. Epiphysis; Diaphysis
B. Diaphysis; Epiphysis
C. Medulla; Cortex
D. Radius; Ulna
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Answer
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Step 1:Let's solve this anatomy terminology problem step by step:
Step 2:: Understand the Terminology
The problem is asking about the specific anatomical terms for different parts of a long bone. We need to identify the correct terms for the shaft and the end of the bone.
Step 3:: Define the Terms
- Diaphysis: This is the shaft or central part of a long bone - Epiphysis: This is the end of a long bone, typically the wider part near the joint
Step 4:: Analyze the Options
Let's examine each option: A. Epiphysis; Diaphysis - This is INCORRECT because it reverses the terms B. Diaphysis; Epiphysis - This is the CORRECT arrangement C. Medulla; Cortex - These terms refer to bone interior structures, not bone regions D. Radius; Ulna - These are specific bones of the forearm, not bone regions
Step 5:: Verify the Correct Answer
The diaphysis is the long, cylindrical shaft of the bone, while the epiphysis is the wider end of the bone near the joint.
Final Answer
Diaphysis; Epiphysis The key is remembering that the diaphysis is the shaft of the long bone, and the epiphysis is the end of the bone nearest the point of attachment.
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