Textbook Question
Describe the anatomical position.
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Ch. 1 An Introduction to Anatomy and Physiology
Martini, Nath, Bartholomew11th EditionFundamentals of Anatomy & PhysiologyISBN: 9780136874089
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Table of contents
- Ch. 1 An Introduction to Anatomy and Physiology26
- Ch. 2 The Chemical Level of Organization34
- Ch. 3 The Cellular Level of Organization30
- Ch. 4 The Tissue Level of Organization24
- Ch. 5 The Integumentary System17
- Ch. 6 Bones and Bone Structure36
- Ch. 7 The Axial Skeleton11
- Ch. 8 The Appendicular Skeleton17
- Ch. 9 Joints13
- Ch. 10 Muscle Tissue12
- Ch. 11 The Muscular System28
- Ch. 12 Nervous Tissue18
- Ch. 13 The Spinal Cord, Spinal Nerves, and Spinal Reflexes22
- Ch. 14 The Brain and Cranial Nerves20
- Ch. 15 Sensory Pathways and the Somatic Nervous System17
- Ch. 16 The Autonomic Nervous System and Higher-Order Functions30
- Ch. 17 The Special Senses16
- Ch. 18 The Endocrine System20
- Ch. 19 Blood31
- Ch. 20 The Heart31
- Ch. 21 Blood Vessels and Circulation29
- Ch. 22 The Lymphatic System and Immunity31
- Ch. 23 The Respiratory System12
- Ch. 24 The Digestive System18
- Ch. 26 The Urinary System31
- Ch. 27 Fluids & Electrolytes32
- Ch. 28 The Reproductive System12
- Ch. 29 Development and Inheritance23
Martini, Nath, Bartholomew11th EditionFundamentals of Anatomy & PhysiologyISBN: 9780136874089Not the one you use?Change textbook
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Martini, Nath, Bartholomew 11th EditionCh. 1 An Introduction to Anatomy and PhysiologyProblem 29
Martini, Nath, Bartholomew 11th EditionCh. 1 An Introduction to Anatomy and PhysiologyProblem 29Chapter 1, Problem 29
Which sectional plane could divide the body so that the face remains intact?
(a) Sagittal plane
(b) Frontal (coronal) plane
(c) Equatorial plane
(d) Midsagittal plane
(e) Parasagittal plane
Verified step by step guidance1
Step 1: Understand the definition of each sectional plane. The sagittal plane divides the body into left and right parts, the frontal (coronal) plane divides the body into front (anterior) and back (posterior) parts, the equatorial plane (also called transverse or horizontal plane) divides the body into upper (superior) and lower (inferior) parts, the midsagittal plane is a specific sagittal plane that divides the body exactly into equal left and right halves, and the parasagittal plane is any sagittal plane offset from the midsagittal plane.
Step 2: Consider what it means for the face to remain intact. This implies that the plane should not cut through the face, but rather separate the body in a way that leaves the entire face on one side of the division.
Step 3: Analyze the sagittal and midsagittal planes. Since these planes divide the body into left and right parts, they would split the face down the middle or into left and right sections, thus not keeping the face intact.
Step 4: Analyze the parasagittal plane. Being parallel to the midsagittal plane but offset, it would still divide the face into parts, so the face would not remain intact.
Step 5: Analyze the frontal (coronal) and equatorial (transverse) planes. The frontal plane divides the body into front and back, so the entire face (which is on the front) would remain intact on one side. The equatorial plane divides the body into upper and lower parts, which would cut through the face horizontally, thus not keeping it intact.
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Key Concepts
Here are the essential concepts you must grasp in order to answer the question correctly.
Sagittal Plane
The sagittal plane divides the body into left and right parts. It runs vertically from front to back. A midsagittal plane specifically divides the body into equal left and right halves, while a parasagittal plane divides it into unequal left and right sections.
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Frontal (Coronal) Plane
The frontal or coronal plane divides the body into anterior (front) and posterior (back) parts. It runs vertically from side to side. This plane can separate the face from the back of the head, keeping the face intact on one side.
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Equatorial Plane
The equatorial plane, often called the transverse or horizontal plane, divides the body into superior (upper) and inferior (lower) parts. It runs horizontally and can separate the body into top and bottom sections, which may split the face depending on the level.
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