Multiple Choice
Which of the following best describes the difference between the levels of organization in the human body?
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1. Introduction to Anatomy & Physiology
Directional Terms: Up and Down
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What is the term for the movement when the forearm rotates the palm to face posteriorly?
A
Flexion
B
Pronation
C
Extension
D
Supination
Verified step by step guidance1
Step 1: Understand the question by identifying the type of movement being described. The problem asks about the rotation of the forearm that results in the palm facing posteriorly.
Step 2: Recall the anatomical terms for forearm movements. The two primary rotational movements of the forearm are 'pronation' and 'supination.' Pronation refers to the rotation of the forearm that turns the palm to face posteriorly, while supination refers to the rotation that turns the palm to face anteriorly.
Step 3: Eliminate the incorrect options. Flexion and extension are movements that occur in the sagittal plane, typically involving bending or straightening a joint, and are not related to the rotation of the forearm.
Step 4: Focus on the correct term for the described movement. Since the palm is rotated to face posteriorly, the correct term is 'pronation.'
Step 5: Reinforce the concept by visualizing or practicing the movement. Rotate your forearm so that your palm faces downward (posteriorly in anatomical position) to understand pronation better.
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