Question 1

The statement "It sends its preganglionic axons into the ventral roots." is

Accepted Answer

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

Question 2

Which of the following is not a property of thermoreceptors?

Accepted Answer

A)  tonic response to temperature change 
B)  project to reticular formation 
C)  found in skeletal muscle, hypothalamus, and skin 
D)  cold receptors outnumber warm receptors 
E)  sensation conducted in same pathway as pain 
A)  tonic response to temperature change 
B)  project to reticular formation 
C)  found in skeletal muscle, hypothalamus, and skin 
D)  cold receptors outnumber warm receptors 
E)  sensation conducted in same pathway as pain

Question 3

After arousal by a sensory stimulus, consciousness can be maintained by positive feedback, because of activity in the

Accepted Answer

A)  sensory pathways. 
B)  motor pathways. 
C)  basal nuclei. 
D)  cerebral cortex. 
E)  all of the above 
A)  sensory pathways. 
B)  motor pathways. 
C)  basal nuclei. 
D)  cerebral cortex. 
E)  all of the above

Question 4

Chemoreceptors are located in all of the following, except

Accepted Answer

A)  carotid bodies. 
B)  the organs of smell. 
C)  aortic bodies. 
D)  the organs of taste. 
E)  in the skin. 
A)  carotid bodies. 
B)  the organs of smell. 
C)  aortic bodies. 
D)  the organs of taste. 
E)  in the skin.

Question 5

Peripheral adaptation ______ the number of action potentials that reach the CNS.

Accepted Answer

A)  neutralizes 
B)  stabilizes 
C)  increases 
D)  decreases 
E)  both A and C 
A)  neutralizes 
B)  stabilizes 
C)  increases 
D)  decreases 
E)  both A and C

Question 6

Axons of the corticobulbar tract terminate in the

Accepted Answer

A)  somatic motor neurons in the spinal cord. 
B)  nuclei in the thalamus. 
C)  autonomic motor neurons in the spinal cord. 
D)  motor nuclei of cranial nerves. 
E)  sensory neurons. 
A)  somatic motor neurons in the spinal cord. 
B)  nuclei in the thalamus. 
C)  autonomic motor neurons in the spinal cord. 
D)  motor nuclei of cranial nerves. 
E)  sensory neurons.

Question 7

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

Accepted Answer

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

Question 8

______are receptors in the aorta that monitor the blood pressure.

Accepted Answer

A)  Proprioceptors 
B)  Chemoreceptors 
C)  Baroreceptors 
D)  Nociceptors 
E)  none of the above 
A)  Proprioceptors 
B)  Chemoreceptors 
C)  Baroreceptors 
D)  Nociceptors 
E)  none of the above

Question 9

The suprarenal medullae secrete

Accepted Answer

A)  renin. 
B)  epinephrine. 
C)  norepinephrine. 
D)  medullin. 
E)  both B and C 
A)  renin. 
B)  epinephrine. 
C)  norepinephrine. 
D)  medullin. 
E)  both B and C

Question 10

The statement "there is always a peripheral synapse between the CNS and the effector organ" is

Accepted Answer

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

Question 11

During _________sleep, the entire body relaxes and the activity of the cerebral cortex is at a minimum.

Accepted Answer

The answer of During _________sleep, the entire body relaxes and...

Question 12

The afferent neuron that carries the sensation to the CNS is a_____ neuron.

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 13

A tactile receptor composed of highly coiled dendrites that are surrounded by modified Schwann cells and a fibrous capsule is a

Accepted Answer

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

Question 14

The sympathetic collateral ganglia include the

Accepted Answer

A)  inferior mesenteric. 
B)  superior mesenteric. 
C)  celiac. 
D)  B and C only 
E)  A, B, and C 
A)  inferior mesenteric. 
B)  superior mesenteric. 
C)  celiac. 
D)  B and C only 
E)  A, B, and C

Question 15

A labeled line is

Accepted Answer

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

Question 16

Figure 14- 1 Spinothalamic Tracts
Use Figure 14- 1 to answer the following questions:
-Identify the type of information that travels along the structure labeled "2."

Accepted Answer

A)  pain and crude touch sensations 
B)  visceral motor commands to smooth muscle 
C)  motor commands to skeletal muscles 
D)  proprioception to the cerebral cortex 
E)  fine touch to the cerebral cortex 
A)  pain and crude touch sensations 
B)  visceral motor commands to smooth muscle 
C)  motor commands to skeletal muscles 
D)  proprioception to the cerebral cortex 
E)  fine touch to the cerebral cortex

Question 17

Sympathetic nerves

Accepted Answer

A)  are bundles of postganglionic fibers that innervate organs within the thoracic cavity. 
B)  stimulate gastric secretion. 
C)  allow us to relax, rest, and recover. 
D)  provoke feelings of sympathy. 
E)  control swallowing. 
A)  are bundles of postganglionic fibers that innervate organs within the thoracic cavity. 
B)  stimulate gastric secretion. 
C)  allow us to relax, rest, and recover. 
D)  provoke feelings of sympathy. 
E)  control swallowing.

Question 18

Our perception of our environment is imperfect for all of the following reasons, except that

Accepted Answer

A)  humans lack receptors for every possible stimulus. 
B)  receptors respond in an all- or- nothing manner. 
C)  not all sensations lead to a perception. 
D)  our receptors have limited sensitivity. 
E)  abnormal receptor function can produce sensations that have no basis in fact. 
A)  humans lack receptors for every possible stimulus. 
B)  receptors respond in an all- or- nothing manner. 
C)  not all sensations lead to a perception. 
D)  our receptors have limited sensitivity. 
E)  abnormal receptor function can produce sensations that have no basis in fact.

Question 19

Figure 14- 2 The Corticospinal Pathway
Use Figure 14- 2 to answer the following questions:
-Identify the type of information that travels along the structure labeled "4."

Accepted Answer

A)  visceral motor commands to smooth muscle 
B)  motor commands to skeletal muscles 
C)  pain and crude touch sensations 
D)  fine touch to the cerebral cortex 
E)  proprioception to the cerebral cortex 
A)  visceral motor commands to smooth muscle 
B)  motor commands to skeletal muscles 
C)  pain and crude touch sensations 
D)  fine touch to the cerebral cortex 
E)  proprioception to the cerebral cortex

Question 20

Figure 14- 2 The Corticospinal Pathway
Use Figure 14- 2 to answer the following questions:
-Identify the origin of the axon labeled "2."

Accepted Answer

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

Exam 14: Neural Integration

The statement "It sends its preganglionic axons into the ventral roots." is

Which of the following is not a property of thermoreceptors?

After arousal by a sensory stimulus, consciousness can be maintained by positive feedback, because of activity in the

Chemoreceptors are located in all of the following, except

Peripheral adaptation ______ the number of action potentials that reach the CNS.

Axons of the corticobulbar tract terminate in the

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

______are receptors in the aorta that monitor the blood pressure.

The suprarenal medullae secrete

The statement "there is always a peripheral synapse between the CNS and the effector organ" is

During _________sleep, the entire body relaxes and the activity of the cerebral cortex is at a minimum.

The afferent neuron that carries the sensation to the CNS is a_____ neuron.

A tactile receptor composed of highly coiled dendrites that are surrounded by modified Schwann cells and a fibrous capsule is a

The sympathetic collateral ganglia include the

A labeled line is

Figure 14- 1 Spinothalamic Tracts Use Figure 14- 1 to answer the following questions: -Identify the type of information that travels along the structure labeled "2."

Sympathetic nerves

Our perception of our environment is imperfect for all of the following reasons, except that

Figure 14- 2 The Corticospinal Pathway Use Figure 14- 2 to answer the following questions: -Identify the type of information that travels along the structure labeled "4."

Figure 14- 2 The Corticospinal Pathway Use Figure 14- 2 to answer the following questions: -Identify the origin of the axon labeled "2."

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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