Question 1

Gustatory receptors are sensitive to dissolved chemicals but insensitive to light. This is due to

Accepted Answer

A)  receptor potentials. 
B)  receptor specificity. 
C)  the fact that they are interoceptors. 
D)  accessory cells. 
E)  both B and C 
A)  receptor potentials. 
B)  receptor specificity. 
C)  the fact that they are interoceptors. 
D)  accessory cells. 
E)  both B and C

Question 2

Sensations of burning or aching pain

Accepted Answer

A)  are carried by type A fibers. 
B)  are well localized. 
C)  reach the CNS quickly. 
D)  are fast adapting. 
E)  cause a generalized activation of the reticular formation and the thalamus. 
A)  are carried by type A fibers. 
B)  are well localized. 
C)  reach the CNS quickly. 
D)  are fast adapting. 
E)  cause a generalized activation of the reticular formation and the thalamus.

Question 3

Figure 14- 1 Spinothalamic Tracts
Use Figure 14- 1 to answer the following questions:
-Identify the neuron labeled "1."

Accepted Answer

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

Question 4

The conscious state is maintained by the

Accepted Answer

A)  limbic system. 
B)  general interpretive area. 
C)  nucleus gracilis. 
D)  prefrontal lobes. 
E)  reticular activating system. 
A)  limbic system. 
B)  general interpretive area. 
C)  nucleus gracilis. 
D)  prefrontal lobes. 
E)  reticular activating system.

Question 5

While playing lacrosse, Frank took a blow to the back of his neck. This caused swelling of the posterior spinal cord at C7, T1. What tract lies in this area? What signs might you expect Frank to show while the swelling persists?

Accepted Answer

The posterior spinocerebellar

Question 6

What loss would result from cutting through the medial lemniscus on the right side?

Accepted Answer

A)  complete hemiplegia paralysis) on the left side of the body 
B)  loss of pain sensation on the left side of the body 
C)  loss of fine touch sensation on the right side of the body 
D)  loss of pain sensation on the right side of the body 
E)  loss of fine touch sensation on the left side of the body 
A)  complete hemiplegia paralysis) on the left side of the body 
B)  loss of pain sensation on the left side of the body 
C)  loss of fine touch sensation on the right side of the body 
D)  loss of pain sensation on the right side of the body 
E)  loss of fine touch sensation on the left side of the body

Question 7

Drugs that stimulate alpha receptors, causing constriction of peripheral vessels, are

Accepted Answer

A)  autonomic blocking agents. 
B)  parasympathetic blocking agents. 
C)  parasympathomimetic. 
D)  sympathetic blocking agents. 
E)  sympathomimetic. 
A)  autonomic blocking agents. 
B)  parasympathetic blocking agents. 
C)  parasympathomimetic. 
D)  sympathetic blocking agents. 
E)  sympathomimetic.

Question 8

The information that is passed from a sensory receptor to the central nervous system is called an) ________.

Accepted Answer

The answer of The information that is passed from a...

Question 9

The statement "it initiates contraction of urinary bladder smooth muscle" is

Accepted Answer

A)  true for both the parasympathetic and sympathetic nervous systems. 
B)  true only for the somatic nervous system. 
C)  true only for the parasympathetic nervous system. 
D)  not true for either the parasympathetic or sympathetic nervous systems. 
E)  true only for the sympathetic nervous system. 
A)  true for both the parasympathetic and sympathetic nervous systems. 
B)  true only for the somatic nervous system. 
C)  true only for the parasympathetic nervous system. 
D)  not true for either the parasympathetic or sympathetic nervous systems. 
E)  true only for the sympathetic nervous system.

Question 10

Which of the following can contribute to receptor specificity?

Accepted Answer

A)  accessory cells that function with the receptor 
B)  characteristics of the receptor cell membrane 
C)  the structure of the receptor cell 
D)  accessory structures and tissues that shield the receptors from other stimuli 
E)  any of the above 
A)  accessory cells that function with the receptor 
B)  characteristics of the receptor cell membrane 
C)  the structure of the receptor cell 
D)  accessory structures and tissues that shield the receptors from other stimuli 
E)  any of the above

Question 11

A highly sensitive tactile receptor composed of dendritic processes of a single myelinated fiber that makes contact with specialized cells of the stratum germinativum is a

Accepted Answer

A)  Ruffini corpuscle. 
B)  lamellated corpuscle. 
C)  root hair plexus. 
D)  tactile Meissner) corpuscle. 
E)  tactile Merkel) disc. 
A)  Ruffini corpuscle. 
B)  lamellated corpuscle. 
C)  root hair plexus. 
D)  tactile Meissner) corpuscle. 
E)  tactile Merkel) disc.

Question 12

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

Accepted Answer

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

Question 13

Autonomic efferents

Accepted Answer

A)  conduct impulses to smooth and cardiac muscles and glands. 
B)  cause general relaxation. 
C)  conduct impulses to skeletal muscles. 
D)  cause general excitation. 
E)  conduct impulses from sensory receptors. 
A)  conduct impulses to smooth and cardiac muscles and glands. 
B)  cause general relaxation. 
C)  conduct impulses to skeletal muscles. 
D)  cause general excitation. 
E)  conduct impulses from sensory receptors.

Question 14

In order for a sensation to become a perception,

Accepted Answer

A)  it must received by the somatosensory cortex. 
B)  the individual must vocalize about it. 
C)  it must received by the pulvinar nucleus of the thalamus. 
D)  the other senses must be silent. 
E)  it must arrive over fast- conducting nerve fibers. 
A)  it must received by the somatosensory cortex. 
B)  the individual must vocalize about it. 
C)  it must received by the pulvinar nucleus of the thalamus. 
D)  the other senses must be silent. 
E)  it must arrive over fast- conducting nerve fibers.

Question 15

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

Question 16

Parasympathetic stimulation

Accepted Answer

A)  increases gastric motility. 
B)  causes blood vessels in the skin to dilate. 
C)  causes sweat glands to secrete. 
D)  causes the pupils to dilate. 
E)  increases heart rate. 
A)  increases gastric motility. 
B)  causes blood vessels in the skin to dilate. 
C)  causes sweat glands to secrete. 
D)  causes the pupils to dilate. 
E)  increases heart rate.

Question 17

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

Accepted Answer

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

Question 18

Conversion of a short- term memory to a long- term memory is called

Accepted Answer

A)  memory conversion. 
B)  memory programming. 
C)  anterograde amnesia. 
D)  memory engraving. 
E)  memory consolidation. 
A)  memory conversion. 
B)  memory programming. 
C)  anterograde amnesia. 
D)  memory engraving. 
E)  memory consolidation.

Question 19

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

Accepted Answer

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

Question 20

Parasympathetic blocking agents can be useful in treating

Accepted Answer

A)  urinary incontinence. 
B)  high blood pressure. 
C)  heart failure. 
D)  all of the above 
E)  A and B only 
A)  urinary incontinence. 
B)  high blood pressure. 
C)  heart failure. 
D)  all of the above 
E)  A and B only

Exam 14: Neural Integration

Gustatory receptors are sensitive to dissolved chemicals but insensitive to light. This is due to

Sensations of burning or aching pain

Figure 14- 1 Spinothalamic Tracts Use Figure 14- 1 to answer the following questions: -Identify the neuron labeled "1."

The conscious state is maintained by the

While playing lacrosse, Frank took a blow to the back of his neck. This caused swelling of the posterior spinal cord at C7, T1. What tract lies in this area? What signs might you expect Frank to show while the swelling persists?

What loss would result from cutting through the medial lemniscus on the right side?

Drugs that stimulate alpha receptors, causing constriction of peripheral vessels, are

The information that is passed from a sensory receptor to the central nervous system is called an) ________.

The statement "it initiates contraction of urinary bladder smooth muscle" is

Which of the following can contribute to receptor specificity?

A highly sensitive tactile receptor composed of dendritic processes of a single myelinated fiber that makes contact with specialized cells of the stratum germinativum is a

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

Autonomic efferents

In order for a sensation to become a perception,

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

Parasympathetic stimulation

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

Conversion of a short- term memory to a long- term memory is called

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

Parasympathetic blocking agents can be useful in treating

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 Skeleton

Articulations

Muscle Tissue

The Muscular System

Neural Tissue

The Spinal Cord, Spinal Nerves, and Spinal Reflexes

The Brain and Cranial Nerves

The Special Senses

The Endocrine System

Blood

The Heart

Blood Vessels and Circulation

The Lymphoid System and Immunity

The Respiratory System

The Digestive System

Metabolism and Energetics

The Urinary System

Fluid, Electrolyte, and Acid-Base Balance

The Reproductive System

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