Textbook Question
List the names of the 12 pairs of cranial nerves. (Hint: use the mnemonic device 'Oh, Once One Takes The Anatomy Final, Very Good Vacations Are Heavenly.' )
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Ch. 14 The Brain and Cranial Nerves
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
Chapter 14, Problem 19
The only cranial nerves that are attached to the cerebrum are the____ nerves.
(a) optic
(b) oculomotor
(c) trochlear
(d) olfactory
(e) abducens
Verified step by step guidance1
Step 1: Understand the anatomy of cranial nerves and their points of attachment to the brain. Cranial nerves can attach to different parts of the brain, such as the cerebrum, midbrain, pons, or medulla oblongata.
Step 2: Recall that the olfactory nerve (cranial nerve I) and the optic nerve (cranial nerve II) are unique because they are directly connected to the cerebrum, unlike other cranial nerves which connect to the brainstem.
Step 3: Identify which of the given options correspond to nerves attached to the cerebrum. The olfactory nerve is attached to the olfactory bulb, which is part of the cerebrum, and the optic nerve is connected to the diencephalon, which is also part of the cerebrum.
Step 4: Recognize that the oculomotor, trochlear, and abducens nerves are all motor nerves that originate from the midbrain or pons, which are parts of the brainstem, not the cerebrum.
Step 5: Conclude that the correct answer is the nerve(s) attached to the cerebrum, which are the olfactory and optic nerves, but since the question asks for the only cranial nerves attached to the cerebrum, focus on the olfactory nerve as the primary one attached directly to the cerebrum.
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Key Concepts
Here are the essential concepts you must grasp in order to answer the question correctly.
Cranial Nerves and Their Origins
Cranial nerves are twelve pairs of nerves that emerge directly from the brain. Each nerve originates from specific parts of the brain, such as the cerebrum, midbrain, pons, or medulla. Understanding their points of attachment helps identify their functions and pathways.
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Origin and Insertion
Olfactory Nerve (Cranial Nerve I)
The olfactory nerve is responsible for the sense of smell and is unique because it arises directly from the olfactory bulb, which is part of the cerebrum. It is the only cranial nerve attached to the cerebrum, distinguishing it from others that originate from the brainstem.
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Optic Nerve and Other Cranial Nerves
The optic nerve (II) is involved in vision and arises from the diencephalon, part of the forebrain but not the cerebrum proper. Other nerves like the oculomotor, trochlear, and abducens originate from the midbrain or pons, which are parts of the brainstem, not the cerebrum.
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The two cerebral hemispheres are functionally different, even though anatomically they appear the same.
(a) True
(b) False
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