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i. Midsagittal (Median) Plane
The navel (belly button)
2. Frontal (Coronal) Plane – Divides the body into anterior (front) and posterior (back) parts.
3. Transverse (Horizontal) Plane – Divides the body into superior (upper) and inferior (lower) parts.
💁Here are Multiple-Choice Questions (MCQs) on Body Planes and Sections, along with explanations for each answer:
1. Which of the following is NOT a major body plane?
a) Sagittal Plane
b) Frontal Plane
c) Transverse Plane
d) Oblique Plane
📝 Explanation: The three major body planes are the sagittal, frontal (coronal), and transverse (horizontal) planes. The oblique plane is not considered a major plane as it cuts the body at an angle.
2. A sagittal plane divides the body into:
a) Upper and lower parts
b) Front and back parts
c) Left and right parts
d) Equal halves only
📝 Explanation: The sagittal plane is a vertical plane that divides the body into left and right sections. If it is exactly in the middle, it is called the midsagittal plane; otherwise, it is called a parasagittal plane.
3. The plane that divides the body into equal right and left halves is called:
a) Parasagittal Plane
b) Midsagittal Plane
c) Frontal Plane
d) Oblique Plane
📝 Explanation: The midsagittal plane (or median plane) runs directly down the middle of the body, dividing it into two equal left and right halves. The parasagittal plane divides the body into unequal left and right sections.
4. The plane that divides the body into anterior and posterior sections is the:
a) Transverse Plane
b) Sagittal Plane
c) Coronal Plane
d) Oblique Plane
📝 Explanation: The coronal plane (also called the frontal plane) divides the body into front (anterior) and back (posterior) sections.
5. A transverse plane is also known as a:
a) Horizontal Plane
b) Vertical Plane
c) Sagittal Plane
d) Median Plane
📝 Explanation: The transverse plane (also called the horizontal plane) divides the body into upper (superior) and lower (inferior) sections.
6. A section that is made at an angle other than 90 degrees to the longitudinal axis is called a(n):
a) Coronal Section
b) Transverse Section
c) Oblique Section
d) Midsagittal Section
📝 Explanation: An oblique section is made at an angle that is not parallel to any of the three standard planes (sagittal, coronal, or transverse). It is often used to examine complex structures in medical imaging.
7. If a plane divides the body into superior and inferior parts, it is called:
a) Sagittal Plane
b) Coronal Plane
c) Transverse Plane
d) Oblique Plane
📝 Explanation: The transverse plane (also known as the horizontal plane) divides the body into upper (superior) and lower (inferior) sections.
8. The section that passes through the midline of the body, dividing it into equal right and left halves, is the:
a) Midsagittal Section
b) Parasagittal Section
c) Coronal Section
d) Horizontal Section
📝 Explanation: The midsagittal section divides the body exactly at the midline into two equal halves, while a parasagittal section divides the body into unequal right and left parts.
9. Which of the following planes could show both lungs and the heart in one section?
a) Sagittal Plane
b) Frontal Plane
c) Transverse Plane
d) Oblique Plane
📝 Explanation: The frontal (coronal) plane divides the body into anterior and posterior sections, allowing a view that includes both lungs and the heart.
10. Which plane is used for a CT scan to get cross-sectional images of the body?
a) Coronal Plane
b) Sagittal Plane
c) Transverse Plane
d) Oblique Plane
📝 Explanation: CT scans (Computed Tomography scans) commonly use the transverse plane to create cross-sectional images, allowing doctors to view the body in slices from top to bottom.
11. Which plane divides the body into unequal left and right parts?
a) Midsagittal Plane
b) Parasagittal Plane
c) Coronal Plane
d) Transverse Plane
📝 Explanation: A parasagittal plane divides the body into unequal left and right parts, while a midsagittal plane divides it into equal halves.
12. If a body is cut to separate the thoracic cavity from the abdominopelvic cavity, the section is made along which plane?
a) Frontal Plane
b) Sagittal Plane
c) Transverse Plane
d) Oblique Plane
📝 Explanation: The transverse plane divides the body into upper (superior) and lower (inferior) parts. The thoracic cavity (chest) is separated from the abdominopelvic cavity by the diaphragm, which is an example of a transverse plane division.
13. Which plane would be used to separate the brain into right and left hemispheres?
a) Coronal Plane
b) Transverse Plane
c) Midsagittal Plane
d) Oblique Plane
📝 Explanation: The midsagittal plane divides the body or an organ into equal right and left halves, making it the correct choice for dividing the brain into hemispheres.
14. A coronal section through the human body would NOT include which of the following?
a) Both lungs
b) Heart
c) Vertebral column
d) Trachea
📝 Explanation: A coronal (frontal) section divides the body into front (anterior) and back (posterior) parts. The vertebral column (spinal cord) is located in the posterior part of the body, so it wouldn't be fully visible in an anterior coronal section.
a) Sagittal Plane
b) Frontal Plane
c) Transverse Plane
d) Oblique Plane
📝 Explanation: The frontal (coronal) plane divides the body into anterior (front) and posterior (back) sections, allowing both kidneys, which are located on the posterior abdominal wall, to be seen in the same section.
16. If a section is cut at an angle across an organ (not along a standard plane), what is it called?
a) Longitudinal Section
b) Transverse Section
c) Oblique Section
d) Coronal Section
📝 Explanation: An oblique section is made at an angle other than 90 degrees to the body’s main planes. This type of section is often used to study complex structures such as joints.
17. Which body plane is commonly used in MRI scans to obtain a side view of the body?
a) Sagittal Plane
b) Coronal Plane
c) Transverse Plane
d) Oblique Plane
📝 Explanation: MRI (Magnetic Resonance Imaging) scans often use the sagittal plane to get a side view of the body, helping doctors analyze structures like the brain, spine, and internal organs.
18. A horizontal section through the body would NOT show which of the following?
a) Left and right lungs
b) Stomach and liver
c) Upper and lower portions of the body
d) Anterior and posterior portions of the body
📝 Explanation: A horizontal (transverse) section divides the body into superior (upper) and inferior (lower) portions, not anterior and posterior parts. A frontal plane would be needed for anterior/posterior division.
19. Which body plane is used in ultrasound imaging to show a baby’s head in cross-section?
a) Sagittal Plane
b) Frontal Plane
c) Transverse Plane
d) Oblique Plane
📝 Explanation: In prenatal ultrasound imaging, the transverse plane is commonly used to show cross-sectional views of the baby's head and other structures.
20. Which body plane is best for viewing the internal structures of the knee in a side profile?
a) Sagittal Plane
b) Coronal Plane
c) Transverse Plane
d) Oblique Plane
📝 Explanation: The sagittal plane provides a side view of the body, making it the best choice for visualizing structures like the knee joint, ligaments, and meniscus in profile.
