Explanation Explanation/justification for the correct answer: Option (e) all of these are correct. The dorsal-column/medial-lemniscal system is involved in carrying the sensations of two-point discrimination, proprioception, pressure, and vibration. It crosses to the opposite side in the medulla oblongata, is divided into the fasciculus gracilis and the fasciculus cuneatus in the spinal cord, and includes the secondary neurons that exit the medulla and synapse in the thalamus. Hence, the correct answer is option (e). Explanation for incorrect answer: Option (a) carry the sensations of two-point discrimination, proprioception, pressure, and vibration. The dorsal-column/medial-lemniscal system is involved in carrying the sensations of two-point discrimination, proprioception, pressure, and vibration. The given answer is correct but it is also involved in crossing to the opposite side in the medulla oblongata, division into fasciculus gracilis and fasciculus cuneatus in the spinal cord, and inclusion of secondary neurons that exit the medulla and synapse in the thalamus. So, this is an incorrect answer. Option (b) cross to the opposite side in the medulla oblongata. The dorsal-column/medial-lemniscal system plays an essential role in crossing to the opposite side in the medulla oblongata. The given answer is correct, but it is also involved in carrying the sensations of two-point discrimination, proprioception, pressure, and vibration, division into fasciculus gracilis and fasciculus cuneatus in the spinal cord, and inclusion of secondary neurons that exit the medulla and synapse in the thalamus...

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ISBN: 9781264802463

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Question

Chapter 14, Problem 8RAC

Summary Introduction

Introduction:

The dorsal-column/medial-lemniscal system involves the downward proceeding tracts that start with the sensory receptors present in joints, tendons, and muscles. It moves along the dorsal root ganglion followed by the site at where it crosses over is known as medulla oblongata.

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Chapter 14, Problem 7RAC

Chapter 14, Problem 9RAC

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Chapter 14 Solutions

SEELEY'S ESS OF ANATOMY & PHYSIOLOGY

Ch. 14.1 - In general, into what three groups con sensory...Ch. 14.1 - List the eight major types of sensory receptors,...Ch. 14.1 - Prob. 3AYP Ch. 14.1 - Prob. 4AYP Ch. 14.1 - Prob. 5AYP Ch. 14.1 - Prob. 6AYP Ch. 14.1 - Prob. 7AYP Ch. 14.1 - How do descending pathways modulate sensation?Ch. 14.1 - Prob. 9AYP Ch. 14.1 - Describe the spatial organization of the general...

Ch. 14.1 - Prob. 11AYP Ch. 14.2 - Prob. 12AYP Ch. 14.2 - Prob. 13AYP Ch. 14.2 - Prob. 14AYP Ch. 14.2 - Prob. 15AYP Ch. 14.2 - What two tracts form the direct pathways? What...Ch. 14.2 - Describe the location of the neurons in each...Ch. 14.2 - Name the structures and tracts that form the...Ch. 14.2 - Prob. 19AYP Ch. 14.2 - Prob. 20AYP Ch. 14.2 - What are the three functional parts of the...Ch. 14.2 - Explain the comparator activities of the...Ch. 14.2 - What are the general symptoms of cerebellar...Ch. 14.3 - Prob. 24AYP Ch. 14.3 - Prob. 25AYP Ch. 14.3 - Discuss the somatic motor output and reflexes from...Ch. 14.3 - Prob. 27AYP Ch. 14.3 - Prob. 28AYP Ch. 14.4 - Prob. 29AYP Ch. 14.4 - Prob. 30AYP Ch. 14.4 - Prob. 31AYP Ch. 14.4 - Prob. 32AYP Ch. 14.4 - What conditions produce alpha, beta, theta. and...Ch. 14.4 - Prob. 34AYP Ch. 14.4 - Prob. 35AYP Ch. 14.4 - Prob. 36AYP Ch. 14.4 - Distinguish between declarative and procedural...Ch. 14.4 - Prob. 38AYP Ch. 14.4 - Prob. 39AYP Ch. 14.5 - Prob. 40AYP Ch. 14.5 - Prob. 41AYP Ch. 14.5 - Does aging always produce memory loss?Ch. 14 - Prob. 1RAC Ch. 14 - Prob. 2RAC Ch. 14 - Prob. 3RAC Ch. 14 - Prob. 4RAC Ch. 14 - Prob. 5RAC Ch. 14 - Prob. 6RAC Ch. 14 - Prob. 7RAC Ch. 14 - Prob. 8RAC Ch. 14 - Tertiary neurons in both the spinothalamic tract...Ch. 14 - Prob. 10RAC Ch. 14 - Prob. 11RAC Ch. 14 - Prob. 12RAC Ch. 14 - Prob. 13RAC Ch. 14 - Prob. 14RAC Ch. 14 - Prob. 15RAC Ch. 14 - Prob. 16RAC Ch. 14 - Prob. 17RAC Ch. 14 - Prob. 18RAC Ch. 14 - Which of these pathways is not an indirect...Ch. 14 - Prob. 20RAC Ch. 14 - The major effect of the basal nuclei is a. to act...Ch. 14 - Which part of the cerebellum is correctly matched...Ch. 14 - Prob. 23RAC Ch. 14 - Prob. 24RAC Ch. 14 - Prob. 25RAC Ch. 14 - The main connection between the right and left...Ch. 14 - Prob. 27RAC Ch. 14 - Prob. 28RAC Ch. 14 - Prob. 29RAC Ch. 14 - Prob. 30RAC Ch. 14 - Describe all the sensations and perceptions...Ch. 14 - Prob. 2CT Ch. 14 - Prob. 3CT Ch. 14 - Prob. 4CT Ch. 14 - Prob. 5CT Ch. 14 - Prob. 6CT Ch. 14 - Prob. 7CT Ch. 14 - Prob. 8CT Ch. 14 - Prob. 9CT

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The dorsal-column/medial-lemniscal system involves the downward proceeding tracts that start with the sensory receptors present in joints, tendons, and muscles. It moves along the dorsal root ganglion followed by the site at where it crosses over is known as medulla oblongata.

Solution Summary: The author explains that the dorsal-column/medial-lemniscal system is involved in carrying the sensations of two-point discrimination, proprioception, pressure, and vibration.

Concept explainers

Introduction: The dorsal-column/medial-lemniscal system involves the downward proceeding tracts that start with the sensory receptors present in joints, tendons, and muscles. It moves along the dorsal root ganglion followed by the site at where it crosses over is known as medulla oblongata.

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Chapter 14 Solutions

Introduction:

The dorsal-column/medial-lemniscal system involves the downward proceeding tracts that start with the sensory receptors present in joints, tendons, and muscles. It moves along the dorsal root ganglion followed by the site at where it crosses over is known as medulla oblongata.