Neural pathways are known to control all the reflexes, these are called reflex arcs. Sensory neurons synapse in spinal cord instead of passing directly into the brain. This generates quick reflex actions as there is no routing of the signals to the brain.

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Chapter 7, Problem 12MC

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Introduction:

Neural pathways are known to control all the reflexes, these are called reflex arcs. Sensory neurons synapse in spinal cord instead of passing directly into the brain. This generates quick reflex actions as there is no routing of the signals to the brain.

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1) Which of the following accurately describes the direction of an impulse moving through a neuron that carries information to the central nervous system (CNS) from the peripheral nervous system (PNS)?a. A sensory (afferent) neuron, impulse moving distally.b. A motor (efferent) neuron, impulse moving proximally.c. A motor (efferent neuron, impulse moving distally.d. A sensory (afferent) neuron, impulse moving proximally. 2) The central nervous system (CNS) is composed ofa. spinal nerves.b. sense receptors.c. the brain and spinal cord.d. nerves of the internal organs.

Which of the following is NOT a reason why a reflex arc is faster than a normal nerve transmission? a. A reflex arc stimulates the motor neurons for an immediate reaction. b. A reflex arc does not send information to the brain to be processed. c. A reflex arc does not involve neurotransmitters. d. A reflex arc involves fewer neurons.

Sensory neurons transmit information towards the central nervous system. Which of the following is true concerning the movement of peripheral- information towards the central nervous system? A. Dendrites of the sensory neurons synapse with interneurons of the spinal cord. B. Axons of the sensory neurons synapse with motor neurons of the muscles involved in the spinal reflex. C. Axons of the motor neurons synapse with the interneurons of the spinal cord. D. Axons of the sensory neurons synapse with the interneurons of the spinal cord.

Answer 2

Question

Chapter 7, Problem 12MC

Summary Introduction

Introduction:

Neural pathways are known to control all the reflexes, these are called reflex arcs. Sensory neurons synapse in spinal cord instead of passing directly into the brain. This generates quick reflex actions as there is no routing of the signals to the brain.

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Answer 3

Question

Chapter 7, Problem 12MC

Summary Introduction

Introduction:

Neural pathways are known to control all the reflexes, these are called reflex arcs. Sensory neurons synapse in spinal cord instead of passing directly into the brain. This generates quick reflex actions as there is no routing of the signals to the brain.

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Answer 4

Question

Chapter 7, Problem 12MC

Summary Introduction

Introduction:

Neural pathways are known to control all the reflexes, these are called reflex arcs. Sensory neurons synapse in spinal cord instead of passing directly into the brain. This generates quick reflex actions as there is no routing of the signals to the brain.

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Answer 5

Chapter 7, Problem 12MC

Summary Introduction

Introduction:

Neural pathways are known to control all the reflexes, these are called reflex arcs. Sensory neurons synapse in spinal cord instead of passing directly into the brain. This generates quick reflex actions as there is no routing of the signals to the brain.

Answer 6

Chapter 7, Problem 12MC

Summary Introduction

Introduction:

Neural pathways are known to control all the reflexes, these are called reflex arcs. Sensory neurons synapse in spinal cord instead of passing directly into the brain. This generates quick reflex actions as there is no routing of the signals to the brain.

Answer 7

Chapter 7, Problem 12MC

Summary Introduction

Introduction:

Neural pathways are known to control all the reflexes, these are called reflex arcs. Sensory neurons synapse in spinal cord instead of passing directly into the brain. This generates quick reflex actions as there is no routing of the signals to the brain.

Answer 8

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Answer 11

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

Neural pathways are known to control all the reflexes, these are called reflex arcs. Sensory neurons synapse in spinal cord instead of passing directly into the brain. This generates quick reflex actions as there is no routing of the signals to the brain.

Solution Summary: The author concludes that the withdrawal reflex involves three-neuron reflex arc in which five elements contribute to withdraw the hand from a painful sensation.

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Introduction:

Neural pathways are known to control all the reflexes, these are called reflex arcs. Sensory neurons synapse in spinal cord instead of passing directly into the brain. This generates quick reflex actions as there is no routing of the signals to the brain.

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Chapter 7 Solutions

Neural pathways are known to control all the reflexes, these are called reflex arcs. Sensory neurons synapse in spinal cord instead of passing directly into the brain. This generates quick reflex actions as there is no routing of the signals to the brain.

Solution Summary: The author concludes that the withdrawal reflex involves three-neuron reflex arc in which five elements contribute to withdraw the hand from a painful sensation.

Videos

Introduction: Neural pathways are known to control all the reflexes, these are called reflex arcs. Sensory neurons synapse in spinal cord instead of passing directly into the brain. This generates quick reflex actions as there is no routing of the signals to the brain.

Want to see the full answer?

Chapter 7 Solutions

Introduction:

Neural pathways are known to control all the reflexes, these are called reflex arcs. Sensory neurons synapse in spinal cord instead of passing directly into the brain. This generates quick reflex actions as there is no routing of the signals to the brain.