Multiple Choice
Which anatomical term refers to a small, nearly flat articular surface found on bones of the arm or hand?
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1. Introduction to Anatomy & Physiology
Anatomical Terms for the Arm and Hand
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Which of the following best describes the anatomical relationship of the phalanges to the humerus?
A
The phalanges are medial to the humerus.
B
The phalanges are lateral to the humerus.
C
The phalanges are distal to the humerus.
D
The phalanges are proximal to the humerus.
Verified step by step guidance1
Understand the anatomical terms: 'medial' refers to being closer to the midline of the body, 'lateral' refers to being farther from the midline, 'distal' refers to being farther from the point of attachment or origin, and 'proximal' refers to being closer to the point of attachment or origin.
Identify the anatomical structures: The humerus is the upper arm bone, and the phalanges are the bones of the fingers and toes.
Determine the point of attachment: The humerus is closer to the shoulder joint, which is the point of attachment for the upper limb, while the phalanges are located farther away at the end of the limb.
Apply the term 'distal': Since the phalanges are farther from the point of attachment (shoulder joint) compared to the humerus, they are described as 'distal' to the humerus.
Verify the correct answer: Based on the definitions and anatomical relationship, the correct description is 'The phalanges are distal to the humerus.'
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