Multiple Choice
Which anatomical feature is located on the anterior surface of the right humerus and serves as the attachment site for the biceps brachii muscle?
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1. Introduction to Anatomy & Physiology
Anatomical Terms for the Arm and Hand
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Which of the following anatomical features is located at the proximal end of the humerus and articulates with the glenoid cavity of the scapula?
A
Olecranon fossa
B
Medial epicondyle
C
Head of the humerus
D
Capitulum
Verified step by step guidance1
Understand the anatomical location of the humerus: The humerus is the long bone in the upper arm, connecting the shoulder to the elbow. The proximal end refers to the end of the humerus closest to the shoulder joint.
Identify the glenoid cavity of the scapula: The glenoid cavity is a shallow depression in the scapula (shoulder blade) that forms the socket part of the ball-and-socket joint of the shoulder.
Recognize the articulation: The proximal end of the humerus has a rounded structure called the 'head of the humerus,' which fits into the glenoid cavity to form the shoulder joint. This allows for a wide range of motion in the arm.
Eliminate incorrect options: The olecranon fossa is located at the distal end of the humerus and interacts with the ulna at the elbow joint. The medial epicondyle is also at the distal end and serves as an attachment site for muscles. The capitulum is a rounded structure at the distal end of the humerus that articulates with the radius at the elbow.
Conclude that the correct anatomical feature located at the proximal end of the humerus and articulating with the glenoid cavity is the 'head of the humerus.'
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