Multiple Choice
Which of the following best describes the function of ascending tracts in the spinal cord?
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1. Introduction to Anatomy & Physiology
Introduction to Organ Systems
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Which of the following structures is located on the anterior surface of the heart?
A
Right atrium
B
Coronary sinus
C
Inferior vena cava
D
Left atrium
Verified step by step guidance1
Step 1: Begin by understanding the anatomical orientation of the heart. The anterior surface of the heart is the front-facing portion, which is closest to the chest wall.
Step 2: Recall the locations of the listed structures. The right atrium is located on the anterior surface of the heart, while the left atrium is primarily located on the posterior surface.
Step 3: Understand the coronary sinus's position. The coronary sinus is a venous structure located on the posterior side of the heart, not the anterior surface.
Step 4: Consider the inferior vena cava. This large vein enters the heart at the posterior aspect of the right atrium, making it not part of the anterior surface.
Step 5: Conclude that the right atrium is the correct answer, as it is the only structure listed that is located on the anterior surface of the heart.
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