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Multiple Choice
If an incision cuts the heart into right and left parts, which anatomical plane is the incision made along?
A
Frontal (coronal) plane
B
Transverse plane
C
Oblique plane
D
Sagittal plane
Verified step by step guidance
1
Understand the anatomical planes: The sagittal plane divides the body into right and left parts, the frontal (coronal) plane divides the body into front and back parts, the transverse plane divides the body into top and bottom parts, and the oblique plane cuts at an angle.
Identify the direction of the incision described in the problem: The heart is being divided into right and left parts, which corresponds to the sagittal plane.
Recall that the sagittal plane can be further divided into midsagittal (equal right and left halves) or parasagittal (unequal right and left parts). The problem does not specify which type of sagittal plane, so it refers generally to the sagittal plane.
Eliminate the incorrect options: The frontal plane divides the body into anterior and posterior parts, the transverse plane divides it into superior and inferior parts, and the oblique plane cuts at an angle, none of which match the description of dividing the heart into right and left parts.
Conclude that the correct anatomical plane for dividing the heart into right and left parts is the sagittal plane.