Explanation Explanation for correct answers: Option ( a ) is given that the trochlear nerve plays a role in the vision. Trochlear nerve is the fourth nerve among the 12 cranial nerves. It is a motor nerve supplying only a single muscle, that is, the superior oblique muscle of the eye. Hence, option ( a ) is correct. Option ( c ) is given that the abducens nerve plays a role in the vision. The abducens nerve is the sixth cranial nerve among the 12 cranial nerves. It controls the sideways movement of the eye by controlling the lateral rectus muscle of the human eye. Hence, option ( c ) is correct. Explanation for incorrect answers: Option (b) is given that the trigeminal nerve plays a role in the vision...

Essentials of Human Anatomy & Physiology Plus MasteringA&P with eText -- Access Card Package (11th Edition)

11th Edition

ISBN: 9780321918758

Author: Elaine N. Marieb

Publisher: PEARSON

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Question

Chapter 7, Problem 9MC

Summary Introduction

Introduction:

Nerves originating from the brain are the cranial nerves. The central nervous system (CNS) divides into a network of nerves supplying the body with the required stimulus. There are 12 pair of cranial nerves, which control primarily the head and neck.

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Chapter 7, Problem 8MC

Chapter 7, Problem 10MC

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Chapter 7 Solutions

Essentials of Human Anatomy & Physiology Plus MasteringA&P with eText -- Access Card Package (11th Edition)

Ch. 7 - Prob. 1MC Ch. 7 - Prob. 2MC Ch. 7 - The innermost delicate meningeal layer is the a....Ch. 7 - Prob. 4MC Ch. 7 - 5. The pineal gland is located in...Ch. 7 - Prob. 6MC Ch. 7 - 7. The spinal cord feature associated with the...Ch. 7 - Prob. 8MC Ch. 7 - Prob. 9MC Ch. 7 - Prob. 10MC

Ch. 7 - More than one choice may apply. Which of the...Ch. 7 - Prob. 12MC Ch. 7 - Prob. 13SAE Ch. 7 - Prob. 14SAE Ch. 7 - Prob. 15SAE Ch. 7 - Identify and briefly describe the role of...Ch. 7 - Briefly explain how nerve impulses are initiated...Ch. 7 - Prob. 18SAE Ch. 7 - Prob. 19SAE Ch. 7 - Prob. 20SAE Ch. 7 - Prob. 21SAE Ch. 7 - 22. What is the function of the thalamus? The...Ch. 7 - Describe how the brain is protected by bone,...Ch. 7 - Prob. 24SAE Ch. 7 - Prob. 25SAE Ch. 7 - Prob. 26SAE Ch. 7 - Prob. 27SAE Ch. 7 - Prob. 28SAE Ch. 7 - Prob. 29SAE Ch. 7 - Prob. 30SAE Ch. 7 - Identify the neurotransmitters used in each of the...Ch. 7 - Prob. 32SAE Ch. 7 - Prob. 33SAE Ch. 7 - 34. How does a Schwann cell help insulate a nerve...Ch. 7 - Prob. 35SAE Ch. 7 - Prob. 36SAE Ch. 7 - Prob. 37CAQ Ch. 7 - 38. Joseph, a man in his early 70s, was having...Ch. 7 - Prob. 39CAQ Ch. 7 - Prob. 40CAQ Ch. 7 - Latifah is in the first trimester of her second...Ch. 7 - 42. Mrs. Chen, a new mother, brings her infant to...Ch. 7 - Three-year-old Brittany is sobbing that her right...Ch. 7 - 44. Mr. Harrison is an 82-year-old bedridden...Ch. 7 - Clarence, an elderly man with a history of TIAs,...Ch. 7 - Prob. 46CAQ Ch. 7 - Jason is the star of his hometown ice hockey team....Ch. 7 - Prob. 48CAQ Ch. 7 - Prob. 49CAQ Ch. 7 - As the aroma of freshly brewed coffee drifted by...

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Nerves originating from the brain are the cranial nerves. The central nervous system (CNS) divides into a network of nerves supplying the body with the required stimulus. There are 12 pair of cranial nerves, which control primarily the head and neck.

Solution Summary: The author explains that the abducen and the trochlear nerves play a role in the human vision.

Concept explainers

Introduction: Nerves originating from the brain are the cranial nerves. The central nervous system (CNS) divides into a network of nerves supplying the body with the required stimulus. There are 12 pair of cranial nerves, which control primarily the head and neck.

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Chapter 7 Solutions

Introduction:

Nerves originating from the brain are the cranial nerves. The central nervous system (CNS) divides into a network of nerves supplying the body with the required stimulus. There are 12 pair of cranial nerves, which control primarily the head and neck.