Which scan plane is perpendicular to the sagittal plane?

The transverse scan plane is defined as an imaging plane that divides the body into superior (upper) and inferior (lower) portions, effectively running perpendicular to the sagittal plane. The sagittal plane, on the other hand, divides the body into right and left sections. Since the transverse plane intersects the sagittal plane at a 90-degree angle, it is the correct answer.

Understanding imaging planes is fundamental in diagnostic medical sonography, as each plane provides unique views of organs and structures within the body. The coronal plane, which runs vertically and divides the body into anterior (front) and posterior (back) sections, is not perpendicular to the sagittal plane. Brachial and frontal are not recognized as standard anatomical planes used in imaging.

By recognizing transverse as the correct response, students can better visualize how different planes interact and the perspectives they offer during ultrasound examinations. This foundational knowledge assists in the accurate assessment and interpretation of sonographic images.