Question 1

Tickle is to ________ as itch is to ________.

Accepted Answer

A) pressure; heat 
B) baroreceptors; chemoreceptors 
C) touch; pain 
D) stretch; temperature 
E) thermoreceptors; nociceptors 
A) pressure; heat 
B) baroreceptors; chemoreceptors 
C) touch; pain 
D) stretch; temperature 
E) thermoreceptors; nociceptors

Question 2

Based on the motor homunculus,which of the following body regions has the largest motor units?

Accepted Answer

A) tongue 
B) face 
C) hands 
D) back 
E) larynx 
A) tongue 
B) face 
C) hands 
D) back 
E) larynx

Question 3

Figure 15-1 Spinothalamic Tracts
Use Figure 15-1 to answer the following questions:
-Identify the structure labeled "5."

Accepted Answer

A) thalamus 
B) cerebral cortex 
C) primary motor cortex 
D) primary sensory cortex 
E) autonomic ganglion 
A) thalamus 
B) cerebral cortex 
C) primary motor cortex 
D) primary sensory cortex 
E) autonomic ganglion

Question 4

The corticospinal system is often referred to as the

Accepted Answer

A) red nucleus. 
B) reticular formation. 
C) spinothalamic tracts. 
D) pyramidal system. 
E) medullary centers. 
A) red nucleus. 
B) reticular formation. 
C) spinothalamic tracts. 
D) pyramidal system. 
E) medullary centers.

Question 5

Thermoreceptors

Accepted Answer

A) are found within the dermis. 
B) are free nerve endings. 
C) for "cold" are structurally indistinguishable from those for "warm." 
D) are more numerous for cold than for warm temperatures. 
E) All of the answers are correct. 
A) are found within the dermis. 
B) are free nerve endings. 
C) for "cold" are structurally indistinguishable from those for "warm." 
D) are more numerous for cold than for warm temperatures. 
E) All of the answers are correct.

Question 6

Tactile receptors composed of capsules that surround a core of collagen fibers intertwined with dendrites are called

Accepted Answer

A) Ruffini corpuscles. 
B) lamellated corpuscles. 
C) tactile (Meissner)corpuscles. 
D) tactile discs. 
E) root hair plexuses. 
A) Ruffini corpuscles. 
B) lamellated corpuscles. 
C) tactile (Meissner)corpuscles. 
D) tactile discs. 
E) root hair plexuses.

Question 7

A fast-adapting mechanoreceptor in the papillary layer of the dermis that responds to fine touch is a

Accepted Answer

A) tactile (Merkel)disc. 
B) root hair plexus. 
C) free nerve ending. 
D) Ruffini corpuscle. 
E) tactile (Meissner)corpuscle. 
A) tactile (Merkel)disc. 
B) root hair plexus. 
C) free nerve ending. 
D) Ruffini corpuscle. 
E) tactile (Meissner)corpuscle.

Question 8

Figure 15-2 The Corticospinal Pathway
Use Figure 15-2 to answer the following questions:
-The axon labeled "2" synapses with which structure?

Accepted Answer

A) 1 
B) 3 
C) 4 
D) 5 
E) 6 
A) 1 
B) 3 
C) 4 
D) 5 
E) 6

Question 9

Figure 15-1 Spinothalamic Tracts
Use Figure 15-1 to answer the following questions:
-Which of the following is true regarding the structure labeled "6"? 1.The synapse occurs between motor neurons.
2)The sensations may be filtered out.
3)The third-order neuron projects to the primary sensory cortex.
4)The third-order neuron's axon is identified.

Accepted Answer

A) 1 and 4 
B) 2 only 
C) 3 only 
D) 3 and 4 
E) 1 and 3 
A) 1 and 4 
B) 2 only 
C) 3 only 
D) 3 and 4 
E) 1 and 3

Question 10

In the spinothalamic pathway,the sensory neuron that synapses with a neuron in the cerebral cortex is called the ________ neuron.

Accepted Answer

The answer of In the spinothalamic pathway,the sensory neuron that...

Question 11

Figure 15-2 The Corticospinal Pathway
Use Figure 15-2 to answer the following questions:
-Identify the structure labeled "1" in this neural pathway.

Accepted Answer

A) primary sensory cortex 
B) primary motor cortex 
C) thalamus 
D) autonomic motor center 
E) basal nuclei 
A) primary sensory cortex 
B) primary motor cortex 
C) thalamus 
D) autonomic motor center 
E) basal nuclei

Question 12

Axons that decussate between the pyramids of the medulla oblongata belong to the ________ tracts.

Accepted Answer

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

Question 13

Bladder fullness is to ________ as blood pH is to ________.

Accepted Answer

A) nociceptors; thermoreceptors 
B) baroreceptors; chemoreceptors 
C) baroreceptors; nociceptors 
D) chemoreceptors; nociceptors 
E) baroreceptors; thermoreceptors 
A) nociceptors; thermoreceptors 
B) baroreceptors; chemoreceptors 
C) baroreceptors; nociceptors 
D) chemoreceptors; nociceptors 
E) baroreceptors; thermoreceptors

Question 14

Figure 15-1 Spinothalamic Tracts
Use Figure 15-1 to answer the following questions:
-Where in the spinal cord is the structure labeled "2" located?

Accepted Answer

A) anterior gray horns 
B) dorsal root ganglion 
C) anterior white column 
D) anterior median fissure 
E) posterior white column 
A) anterior gray horns 
B) dorsal root ganglion 
C) anterior white column 
D) anterior median fissure 
E) posterior white column

Question 15

The medial pathway that controls involuntary movements of head,neck,and arm position in response to sudden visual and auditory stimuli is the ________ tract.

Accepted Answer

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

Question 16

Descending tracts in the spinal cord relay ________ information.

Accepted Answer

The answer of Descending tracts in the spinal cord relay...

Question 17

________ are receptors in the aorta that monitor the blood pressure.

Accepted Answer

A) Chemoreceptors 
B) Nociceptors 
C) Baroreceptors 
D) Proprioceptors 
E) Hair cells 
A) Chemoreceptors 
B) Nociceptors 
C) Baroreceptors 
D) Proprioceptors 
E) Hair cells

Question 18

The descending spinal tract that crosses to the opposite side of the body within the cord 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 19

What are the four types of sensory receptors for the general senses? What is the nature of the stimuli that excite each type?

Accepted Answer

(1)Nociceptors: a variety of stimuli ass

Question 20

Receptors that monitor the position of joints belong to the category called

Accepted Answer

A) nociceptors. 
B) chemoreceptors. 
C) baroreceptors. 
D) proprioceptors. 
E) thermoreceptors. 
A) nociceptors. 
B) chemoreceptors. 
C) baroreceptors. 
D) proprioceptors. 
E) thermoreceptors.

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

Tickle is to ________ as itch is to ________.

Based on the motor homunculus,which of the following body regions has the largest motor units?

Figure 15-1 Spinothalamic Tracts Use Figure 15-1 to answer the following questions: -Identify the structure labeled "5."

The corticospinal system is often referred to as the

Thermoreceptors

Tactile receptors composed of capsules that surround a core of collagen fibers intertwined with dendrites are called

A fast-adapting mechanoreceptor in the papillary layer of the dermis that responds to fine touch is a

Figure 15-2 The Corticospinal Pathway Use Figure 15-2 to answer the following questions: -The axon labeled "2" synapses with which structure?

In the spinothalamic pathway,the sensory neuron that synapses with a neuron in the cerebral cortex is called the ________ neuron.

Figure 15-2 The Corticospinal Pathway Use Figure 15-2 to answer the following questions: -Identify the structure labeled "1" in this neural pathway.

Axons that decussate between the pyramids of the medulla oblongata belong to the ________ tracts.

Bladder fullness is to ________ as blood pH is to ________.

Figure 15-1 Spinothalamic Tracts Use Figure 15-1 to answer the following questions: -Where in the spinal cord is the structure labeled "2" located?

The medial pathway that controls involuntary movements of head,neck,and arm position in response to sudden visual and auditory stimuli is the ________ tract.

Descending tracts in the spinal cord relay ________ information.

________ are receptors in the aorta that monitor the blood pressure.

The descending spinal tract that crosses to the opposite side of the body within the cord is the ________ tract.

What are the four types of sensory receptors for the general senses? What is the nature of the stimuli that excite each type?

Receptors that monitor the position of joints belong to the category called

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

Tickle is to as itch is to .

Bladder fullness is to as blood pH is to .