Question 1

A brain injury to a patient results in facial paralysis.Which descending tract is most likely affected?

Accepted Answer

A) corticospinal tract 
B) tectospinal tract 
C) rubrospinal tract 
D) corticobulbar tract 
E) reticulospinal tract 
A) corticospinal tract 
B) tectospinal tract 
C) rubrospinal tract 
D) corticobulbar tract 
E) reticulospinal tract

Question 2

Each of the following is an ascending tract in the spinal cord,except the

Accepted Answer

A) fasciculus gracilis. 
B) fasciculus cuneatus. 
C) posterior spinocerebellar. 
D) reticulospinal tract. 
E) anterior spinothalamic. 
A) fasciculus gracilis. 
B) fasciculus cuneatus. 
C) posterior spinocerebellar. 
D) reticulospinal tract. 
E) anterior spinothalamic.

Question 3

A reduction in sensitivity in the presence of a constant stimulus is referred to as ________.

Accepted Answer

The answer of A reduction in sensitivity in the presence...

Question 4

Motor neurons whose cell bodies are within the spinal cord are called ________ neurons.

Accepted Answer

A) upper motor 
B) lower motor 
C) preganglionic 
D) postganglionic 
E) somesthetic 
A) upper motor 
B) lower motor 
C) preganglionic 
D) postganglionic 
E) somesthetic

Question 5

Figure 15-2 The Corticospinal Pathway
Use Figure 15-2 to answer the following questions:
-Identify the structure labeled "5."

Accepted Answer

A) ventral root 
B) upper motor neuron 
C) first-order neuron 
D) second-order neuron 
E) dorsal root 
A) ventral root 
B) upper motor neuron 
C) first-order neuron 
D) second-order neuron 
E) dorsal root

Question 6

A receptor that contains many mechanically-gated ion channels would function best as a

Accepted Answer

A) tactile receptor. 
B) chemoreceptor. 
C) nociceptor. 
D) thermoreceptor. 
E) light receptor. 
A) tactile receptor. 
B) chemoreceptor. 
C) nociceptor. 
D) thermoreceptor. 
E) light receptor.

Question 7

Your uncle was just diagnosed with a heart attack.One of his major symptoms is left arm pain.You are not surprised because you are familiar with the phenomenon of

Accepted Answer

A) referred pain. 
B) phantom pain. 
C) psychogenic pain. 
D) somatic pain. 
E) neurogenic pain. 
A) referred pain. 
B) phantom pain. 
C) psychogenic pain. 
D) somatic pain. 
E) neurogenic pain.

Question 8

Thalamic neurons that project to the primary sensory cortex are ________ neurons.

Accepted Answer

A) receptor 
B) first-order 
C) second-order 
D) third-order 
E) fourth-order 
A) receptor 
B) first-order 
C) second-order 
D) third-order 
E) fourth-order

Question 9

Figure 15-2 The Corticospinal Pathway
Use Figure 15-2 to answer the following questions:
-Identify the origin of the axon labeled "2."

Accepted Answer

A) lower motor neuron 
B) upper motor neuron 
C) decussation neuron 
D) second-order neuron 
E) ganglionic neuron 
A) lower motor neuron 
B) upper motor neuron 
C) decussation neuron 
D) second-order neuron 
E) ganglionic neuron

Question 10

Examples of sensory stimuli include

Accepted Answer

A) touch. 
B) warmth. 
C) pain. 
D) vibration. 
E) All of the answers are correct. 
A) touch. 
B) warmth. 
C) pain. 
D) vibration. 
E) All of the answers are correct.

Question 11

The spinal tract that unconsciously maintains balance and muscle tone is the ________ tract.

Accepted Answer

A) lateral corticospinal 
B) anterior corticospinal 
C) rubrospinal 
D) reticulospinal 
E) vestibulospinal 
A) lateral corticospinal 
B) anterior corticospinal 
C) rubrospinal 
D) reticulospinal 
E) vestibulospinal

Question 12

The term general senses refers to sensitivity to all of the following,except

Accepted Answer

A) temperature. 
B) taste. 
C) touch. 
D) vibration. 
E) pain. 
A) temperature. 
B) taste. 
C) touch. 
D) vibration. 
E) pain.

Question 13

The upper motor neurons of the medial pathway are located within any of the following,except the

Accepted Answer

A) vestibular nuclei. 
B) reticular formation. 
C) superior colliculi. 
D) inferior colliculi. 
E) mamillary bodies. 
A) vestibular nuclei. 
B) reticular formation. 
C) superior colliculi. 
D) inferior colliculi. 
E) mamillary bodies.

Question 14

Which of the following kinds of information do fine-touch and light-pressure mechanoreceptors provide?

Accepted Answer

A) location of the stimulus 
B) shape of the stimulus 
C) texture of the stimulus 
D) movement of the stimulus 
E) All of the answers are correct. 
A) location of the stimulus 
B) shape of the stimulus 
C) texture of the stimulus 
D) movement of the stimulus 
E) All of the answers are correct.

Question 15

The cerebellum

Accepted Answer

A) functions to maintain proper posture and equilibrium. 
B) receives input from the motor cortex and basal ganglia. 
C) compares intended movement to actual movement. 
D) if damaged leads to uncoordinated and jerky movements. 
E) has all of these characteristics. 
A) functions to maintain proper posture and equilibrium. 
B) receives input from the motor cortex and basal ganglia. 
C) compares intended movement to actual movement. 
D) if damaged leads to uncoordinated and jerky movements. 
E) has all of these characteristics.

Question 16

Damage to the pyramidal cells of the cerebral cortex would directly affect

Accepted Answer

A) perception of pain. 
B) sight. 
C) voluntary motor activity. 
D) hearing. 
E) balance. 
A) perception of pain. 
B) sight. 
C) voluntary motor activity. 
D) hearing. 
E) balance.

Question 17

The general senses

Accepted Answer

A) involve receptors that are relatively simple in structure. 
B) are located in specialized structures called sense organs. 
C) are localized to specific areas of the body. 
D) cannot generate action potentials. 
E) include taste and smell. 
A) involve receptors that are relatively simple in structure. 
B) are located in specialized structures called sense organs. 
C) are localized to specific areas of the body. 
D) cannot generate action potentials. 
E) include taste and smell.

Question 18

A labeled line is

Accepted Answer

A) a translation of complex sensory information. 
B) a link between a receptor and a cortical neuron. 
C) a reduction in sensitivity. 
D) a stimulation that produces action potentials. 
E) an adjustment for sensitivity adaptation. 
A) a translation of complex sensory information. 
B) a link between a receptor and a cortical neuron. 
C) a reduction in sensitivity. 
D) a stimulation that produces action potentials. 
E) an adjustment for sensitivity adaptation.

Question 19

The pyramidal system provides

Accepted Answer

A) voluntary control over skeletal muscles. 
B) voluntary control over smooth muscles. 
C) involuntary control over skeletal muscles. 
D) involuntary control over smooth muscles. 
E) involuntary control over cardiac muscle. 
A) voluntary control over skeletal muscles. 
B) voluntary control over smooth muscles. 
C) involuntary control over skeletal muscles. 
D) involuntary control over smooth muscles. 
E) involuntary control over cardiac muscle.

Question 20

Figure 15-1 Spinothalamic Tracts
Use Figure 15-1 to answer the following questions:
-Identify the neuron labeled "1."

Accepted Answer

A) lower motor neuron 
B) upper motor neuron 
C) first-order neuron 
D) second-order neuron 
E) ganglionic neuron 
A) lower motor neuron 
B) upper motor neuron 
C) first-order neuron 
D) second-order neuron 
E) ganglionic neuron

Exam 15: Neural Integration I: Sensory Pathways and the Somatic Nervous System

A brain injury to a patient results in facial paralysis.Which descending tract is most likely affected?

Each of the following is an ascending tract in the spinal cord,except the

A reduction in sensitivity in the presence of a constant stimulus is referred to as ________.

Motor neurons whose cell bodies are within the spinal cord are called ________ neurons.

Figure 15-2 The Corticospinal Pathway Use Figure 15-2 to answer the following questions: -Identify the structure labeled "5."

A receptor that contains many mechanically-gated ion channels would function best as a

Your uncle was just diagnosed with a heart attack.One of his major symptoms is left arm pain.You are not surprised because you are familiar with the phenomenon of

Thalamic neurons that project to the primary sensory cortex are ________ neurons.

Figure 15-2 The Corticospinal Pathway Use Figure 15-2 to answer the following questions: -Identify the origin of the axon labeled "2."

Examples of sensory stimuli include

The spinal tract that unconsciously maintains balance and muscle tone is the ________ tract.

The term general senses refers to sensitivity to all of the following,except

The upper motor neurons of the medial pathway are located within any of the following,except the

Which of the following kinds of information do fine-touch and light-pressure mechanoreceptors provide?

The cerebellum

Damage to the pyramidal cells of the cerebral cortex would directly affect

The general senses

A labeled line is

The pyramidal system provides

Figure 15-1 Spinothalamic Tracts Use Figure 15-1 to answer the following questions: -Identify the neuron labeled "1."

An Introduction to Anatomy and Physiology

The Chemical Level of Organization

The Cellular Level of Organization

The Tissue Level of Organization

The Integumentary System

Osseous Tissue and Bone Structure

The Axial Skeleton

The Appendicular Skeleton

Articulations

Muscle Tissue

The Muscular System

Neural Tissue

The Spinal Cord, spinal Nerves, and Spinal Reflexes

The Brain and Cranial Nerves

Neural Integration Ii: the Autonomic Nervous System and

The Special Senses

The Endocrine System

Blood

The Heart

Blood Vessels and Circulation

The Lymphatic System and Immunity

The Respiratory System

The Digestive System

Metabolism and Energetics

The Urinary System

Fluid, electrolyte, and Acid-Base Balance

The Reproductive System

Development and Inheritance

Filters