Question 1

We can localize sensations that originate in different areas of the body because

Accepted Answer

A)  sensory neurons carry only one modality. 
B)  sensory neurons from specific body regions project to specific cortical regions. 
C)  incoming sensory information is first processed by the thalamus. 
D)  different types of sensory receptors produce action potentials of different sizes and shapes. 
E)  of the many types of tactile receptors. 
A)  sensory neurons carry only one modality. 
B)  sensory neurons from specific body regions project to specific cortical regions. 
C)  incoming sensory information is first processed by the thalamus. 
D)  different types of sensory receptors produce action potentials of different sizes and shapes. 
E)  of the many types of tactile receptors.

Question 2

Complex motor activities such as riding a bicycle

Accepted Answer

A)  only require neural processing at the level of the cerebrum. 
B)  with practice, involve little input from the brain. 
C)  require the coordinated activity of several regions of the brain. 
D)  are largely controlled at the level of the spinal cord. 
E)  usually escape notice by the cerebellum. 
A)  only require neural processing at the level of the cerebrum. 
B)  with practice, involve little input from the brain. 
C)  require the coordinated activity of several regions of the brain. 
D)  are largely controlled at the level of the spinal cord. 
E)  usually escape notice by the cerebellum.

Question 3

The region of the brain responsible for predicting the consequence of events or actions is the

Accepted Answer

A)  prefrontal cerebral cortex. 
B)  occipital association cortex. 
C)  reticular formation. 
D)  temporal lobe. 
E)  cerebral ganglia. 
A)  prefrontal cerebral cortex. 
B)  occipital association cortex. 
C)  reticular formation. 
D)  temporal lobe. 
E)  cerebral ganglia.

Question 4

The ventricle associated with the pons and upper medulla is the

Accepted Answer

A)  first. 
B)  second. 
C)  third. 
D)  fourth. 
E)  lateral. 
A)  first. 
B)  second. 
C)  third. 
D)  fourth. 
E)  lateral.

Question 5

The sensory neuron that carries a 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 6

The nucleus gracilis and nucleus cuneatus

Accepted Answer

A)  are located in the medulla oblongata. 
B)  relay somatic sensory information to the thalamus. 
C)  pass motor information to the cerebellum. 
D)  are located in the medulla oblongata and relay somatic sensory information to the thalamus. 
E)  none of the above 
A)  are located in the medulla oblongata. 
B)  relay somatic sensory information to the thalamus. 
C)  pass motor information to the cerebellum. 
D)  are located in the medulla oblongata and relay somatic sensory information to the thalamus. 
E)  none of the above

Question 7

The primary motor cortex is the surface of the

Accepted Answer

A)  insula. 
B)  precentral gyrus. 
C)  postcentral gyrus. 
D)  arcuate gyrus. 
E)  corpus callosum. 
A)  insula. 
B)  precentral gyrus. 
C)  postcentral gyrus. 
D)  arcuate gyrus. 
E)  corpus callosum.

Question 8

Damage to the preoptic area of the hypothalamus leads to which problem?

Accepted Answer

A)  an intense thirst 
B)  an uncontrolled sex drive 
C)  reduced ability to regulate body temperature 
D)  an insatiable appetite 
E)  production of a large volume of urine 
A)  an intense thirst 
B)  an uncontrolled sex drive 
C)  reduced ability to regulate body temperature 
D)  an insatiable appetite 
E)  production of a large volume of urine

Question 9

Which of the following is a function of the thalamus?

Accepted Answer

A)  secrete cerebrospinal fluid 
B)  secrete melatonin 
C)  process sensory information and relay it to the cerebrum 
D)  store memories 
E)  regulate food intake 
A)  secrete cerebrospinal fluid 
B)  secrete melatonin 
C)  process sensory information and relay it to the cerebrum 
D)  store memories 
E)  regulate food intake

Question 10

The anterior nuclei of the thalamus

Accepted Answer

A)  are part of the limbic system. 
B)  secrete pituitary hormones. 
C)  secrete melatonin. 
D)  receive axon collaterals from the optic nerve. 
E)  all of the above 
A)  are part of the limbic system. 
B)  secrete pituitary hormones. 
C)  secrete melatonin. 
D)  receive axon collaterals from the optic nerve. 
E)  all of the above

Question 11

Excitation of neurons in the basal nuclei would lead to

Accepted Answer

A)  increased muscle tone. 
B)  loss of consciousness. 
C)  inability to sense pain. 
D)  sexual arousal. 
E)  involuntary speech production. 
A)  increased muscle tone. 
B)  loss of consciousness. 
C)  inability to sense pain. 
D)  sexual arousal. 
E)  involuntary speech production.

Question 12

The spinal tract that normally plays a minor role in the control of the distal muscles of the arms 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 13

In order for a sensation to become a perception,

Accepted Answer

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

Question 14

Sensory information is processed and relayed to the cerebrum by the

Accepted Answer

A)  medulla oblongata. 
B)  pons. 
C)  midbrain. 
D)  thalamus. 
E)  cerebellum. 
A)  medulla oblongata. 
B)  pons. 
C)  midbrain. 
D)  thalamus. 
E)  cerebellum.

Question 15

Mechanoreceptors might detect which of the following sensations?

Accepted Answer

A)  pressure 
B)  touch 
C)  vibration 
D)  muscle length 
E)  all of the above 
A)  pressure 
B)  touch 
C)  vibration 
D)  muscle length 
E)  all of the above

Question 16

The pyramids on the ventral surface of the medulla oblongata are formed by fibers of the ________ tracts.

Accepted Answer

A)  corticospinal 
B)  corticobulbar 
C)  reticulospinal 
D)  vestibulospinal 
E)  tectospinal 
A)  corticospinal 
B)  corticobulbar 
C)  reticulospinal 
D)  vestibulospinal 
E)  tectospinal

Question 17

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

Accepted Answer

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

Question 18

Increased production and release of acetylcholine by the neurons of the cerebral nuclei would result in

Accepted Answer

A)  flaccid paralysis. 
B)  spastic, uncontrolled muscle contractions. 
C)  decreased activity of upper motor neurons. 
D)  fewer action potentials along the corticospinal tracts. 
E)  muscular atrophy. 
A)  flaccid paralysis. 
B)  spastic, uncontrolled muscle contractions. 
C)  decreased activity of upper motor neurons. 
D)  fewer action potentials along the corticospinal tracts. 
E)  muscular atrophy.

Question 19

Which of the following is a property of the mamillary bodies?

Accepted Answer

A)  control reflex eating movements 
B)  responsible for auditory reflexes 
C)  located the posterior pons 
D)  connect the hypothalamus to the pituitary gland 
E)  secrete melatonin 
A)  control reflex eating movements 
B)  responsible for auditory reflexes 
C)  located the posterior pons 
D)  connect the hypothalamus to the pituitary gland 
E)  secrete melatonin

Question 20

The CNS interprets the ________ of stimulus entirely on the basis of the labeled line over which it arrives.

Accepted Answer

The answer of The CNS interprets the ________ of stimulus...

Exam 13: The Brain and Cranial Nerves

We can localize sensations that originate in different areas of the body because

Complex motor activities such as riding a bicycle

The region of the brain responsible for predicting the consequence of events or actions is the

The ventricle associated with the pons and upper medulla is the

The sensory neuron that carries a sensation to the CNS is a ________ neuron.

The nucleus gracilis and nucleus cuneatus

The primary motor cortex is the surface of the

Damage to the preoptic area of the hypothalamus leads to which problem?

Which of the following is a function of the thalamus?

The anterior nuclei of the thalamus

Excitation of neurons in the basal nuclei would lead to

The spinal tract that normally plays a minor role in the control of the distal muscles of the arms is the ________ tract.

In order for a sensation to become a perception,

Sensory information is processed and relayed to the cerebrum by the

Mechanoreceptors might detect which of the following sensations?

The pyramids on the ventral surface of the medulla oblongata are formed by fibers of the ________ tracts.

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

Increased production and release of acetylcholine by the neurons of the cerebral nuclei would result in

Which of the following is a property of the mamillary bodies?

The CNS interprets the ________ of stimulus entirely on the basis of the labeled line over which it arrives.

An Introduction to Anatomy and Physiology

Chemical Level of Organization

Cellular Level of Organization

Tissue Level of Organization

The Integumentary System

Osseous Tissue and Bone Structure

The Skeleton

Articulations

Skeletal Muscle Tissue

The Muscular System

Neural Tissue

The Spinal Cord, Spinal Nerves, and Spinal Reflexes

The Autonomic Nervous System

The Special Senses

The Endocrine System

Blood and Blood Vessels

The Heart and Cardiovascular Function

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