Multiple Choice
In anatomical position, the heart is what relative to the sternum?
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1. Introduction to Anatomy & Physiology
Directional Terms: Front and Back
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In anatomical position, the sternum is _____ to the heart.
A
posterior
B
anterior
C
lateral
D
superior
Verified step by step guidance1
Step 1: Understand the anatomical position and directional terms. In anatomy, 'anterior' means toward the front of the body, while 'posterior' means toward the back.
Step 2: Identify the location of the sternum. The sternum, or breastbone, is a flat bone located in the center of the chest, on the front (anterior) side of the thorax.
Step 3: Identify the location of the heart. The heart lies within the thoracic cavity, slightly left of the midline, and is positioned posterior to the sternum.
Step 4: Compare the positions of the sternum and the heart. Since the sternum is on the front side of the chest and the heart is behind it, the sternum is anterior to the heart.
Step 5: Conclude that in anatomical position, the sternum is anterior to the heart, meaning it lies in front of the heart.
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