Question 1

Monosynaptic reflexes

Accepted Answer

A)  are among the most complex reflex arcs. 
B)  involve two or more sequential synapses. 
C)  usually control slow motor responses. 
D)  do not control stereotyped responses of the nervous system. 
E)  are exemplified by the stretch reflex. 
A)  are among the most complex reflex arcs. 
B)  involve two or more sequential synapses. 
C)  usually control slow motor responses. 
D)  do not control stereotyped responses of the nervous system. 
E)  are exemplified by the stretch reflex.

Question 2

Which of the following neurotransmitters usually depolarizes postsynaptic neurons?

Accepted Answer

A)  serotonin 
B)  dopamine 
C)  GABA 
D)  acetylcholine 
E)  monoamine oxidase 
A)  serotonin 
B)  dopamine 
C)  GABA 
D)  acetylcholine 
E)  monoamine oxidase

Question 3

The area anterior to the central sulcus is the

Accepted Answer

A)  parietal lobe. 
B)  temporal lobe. 
C)  frontal lobe. 
D)  occipital lobe. 
E)  postcentral gyrus. 
A)  parietal lobe. 
B)  temporal lobe. 
C)  frontal lobe. 
D)  occipital lobe. 
E)  postcentral gyrus.

Question 4

A few spiders produce a venom that is a calcium-channel blocker.Where would this venom have on nerve impulse transmission?

Accepted Answer

A)  at the axon terminal 
B)  at the axon hillock 
C)  along the dendrite 
D)  along the cell body membrane 
E)  at the postsynaptic membrane 
A)  at the axon terminal 
B)  at the axon hillock 
C)  along the dendrite 
D)  along the cell body membrane 
E)  at the postsynaptic membrane

Question 5

The gray matter of the spinal cord is dominated by

Accepted Answer

A)  tracts. 
B)  columns. 
C)  meninges. 
D)  cell bodies of neurons and glial cells. 
E)  blood vessels. 
A)  tracts. 
B)  columns. 
C)  meninges. 
D)  cell bodies of neurons and glial cells. 
E)  blood vessels.

Question 6

A condition known as Bell's palsy is thought to be caused by an inflammation of the facial nerve (VII).What symptoms would one expect to see in a person suffering from this condition?

Accepted Answer

Patients suffering from Bell's palsy usu

Question 7

A mixed nerve

Accepted Answer

A)  goes to many body parts. 
B)  originates in different areas of the brain. 
C)  contains both sensory and motor neurons. 
D)  carries both somatic and autonomic impulses. 
E)  always originates in a plexus. 
A)  goes to many body parts. 
B)  originates in different areas of the brain. 
C)  contains both sensory and motor neurons. 
D)  carries both somatic and autonomic impulses. 
E)  always originates in a plexus.

Question 8

The two cerebral hemispheres are separated by the

Accepted Answer

A)  longitudinal fissure. 
B)  central sulcus. 
C)  lateral sulcus. 
D)  frontal lobe. 
E)  postcentral sulcus. 
A)  longitudinal fissure. 
B)  central sulcus. 
C)  lateral sulcus. 
D)  frontal lobe. 
E)  postcentral sulcus.

Question 9

Which of the following performs such abstract intellectual function as predicting the future consequences of events or actions?

Accepted Answer

A)  pons 
B)  basal ganglia 
C)  hippocampus 
D)  thalamus 
E)  prefrontal cortex 
A)  pons 
B)  basal ganglia 
C)  hippocampus 
D)  thalamus 
E)  prefrontal cortex

Question 10

Which of the following is a descending pathway of the spinal cord?

Accepted Answer

A)  posterior column 
B)  spinothalamic 
C)  corticospinal 
D)  spinocerebellar 
E)  proprioceptive 
A)  posterior column 
B)  spinothalamic 
C)  corticospinal 
D)  spinocerebellar 
E)  proprioceptive

Question 11

A stimulus that opens gated potassium ion channels,moving the membrane voltage value below the resting potential value,results in which of the following?

Accepted Answer

A)  repolarization 
B)  hyperpolarization 
C)  depolarization 
D)  refraction 
E)  summation 
A)  repolarization 
B)  hyperpolarization 
C)  depolarization 
D)  refraction 
E)  summation

Question 12

Neurons that have two or more dendrites and a single axon extending away from the cell body are called

Accepted Answer

A)  polypolar. 
B)  unipolar. 
C)  bipolar. 
D)  tripolar. 
E)  multipolar. 
A)  polypolar. 
B)  unipolar. 
C)  bipolar. 
D)  tripolar. 
E)  multipolar.

Question 13

Which nerve from the brachial plexus innervates the extensor muscles of the arm and forearm?

Accepted Answer

A)  ulnar 
B)  musculocutaneous 
C)  radial 
D)  median 
E)  axillary 
A)  ulnar 
B)  musculocutaneous 
C)  radial 
D)  median 
E)  axillary

Question 14

The ________ nervous system provides involuntary regulation of smooth muscle,cardiac muscle,and glandular activity.

Accepted Answer

A)  central 
B)  autonomic 
C)  somatic 
D)  collateral 
E)  ganglionic 
A)  central 
B)  autonomic 
C)  somatic 
D)  collateral 
E)  ganglionic

Question 15

Small phagocytic glial cells,which are derived from white blood cells,are called

Accepted Answer

A)  astrocytes. 
B)  Schwann cells. 
C)  oligodendrocytes. 
D)  microglia. 
E)  ependymal cells. 
A)  astrocytes. 
B)  Schwann cells. 
C)  oligodendrocytes. 
D)  microglia. 
E)  ependymal cells.

Question 16

The flexor reflex

Accepted Answer

A)  prevents a muscle from overstretching. 
B)  prevents a muscle from generating damaging tension. 
C)  is a withdrawal reflex. 
D)  makes adjustments in other parts of the body in response to a particular stimulus. 
E)  is an example of a monosynaptic reflex. 
A)  prevents a muscle from overstretching. 
B)  prevents a muscle from generating damaging tension. 
C)  is a withdrawal reflex. 
D)  makes adjustments in other parts of the body in response to a particular stimulus. 
E)  is an example of a monosynaptic reflex.

Question 17

When a cerebrospinal fluid specimen is needed for testing,the specimen is removed by needle from the L3-L4 interspace area of the vertebral column.Why?

Accepted Answer

A)  There are no spaces between the other areas of the vertebral column. 
B)  There is a higher pressure within the subarachnoid space at that point, so it is easier to obtain a specimen. 
C)  There are no spinal nerves located in that area. 
D)  There would be no possible damage to the spinal cord itself when the needle is inserted into the space. 
E)  The space where the needle is inserted is larger than anywhere else along the vertebral column. 
A)  There are no spaces between the other areas of the vertebral column. 
B)  There is a higher pressure within the subarachnoid space at that point, so it is easier to obtain a specimen. 
C)  There are no spinal nerves located in that area. 
D)  There would be no possible damage to the spinal cord itself when the needle is inserted into the space. 
E)  The space where the needle is inserted is larger than anywhere else along the vertebral column.

Question 18

Which of the following lists the parts of a reflex arc in the correct order?

Accepted Answer

A)  receptor, sensory neuron, interneuron, motor neuron, effector 
B)  receptor, effector, sensory neuron, interneuron, motor neuron 
C)  receptor, sensory neuron, effector, interneuron, motor neuron 
D)  effector, receptor, sensory neuron, interneuron, motor neuron 
E)  receptor, interneuron, sensory neuron, motor neuron, effector 
A)  receptor, sensory neuron, interneuron, motor neuron, effector 
B)  receptor, effector, sensory neuron, interneuron, motor neuron 
C)  receptor, sensory neuron, effector, interneuron, motor neuron 
D)  effector, receptor, sensory neuron, interneuron, motor neuron 
E)  receptor, interneuron, sensory neuron, motor neuron, effector

Question 19

In adults,the spinal cord usually extends to which level?

Accepted Answer

A)  tenth thoracic vertebra 
B)  first sacral vertebra 
C)  seventh cervical vertebra 
D)  fourth or fifth lumbar vertebra 
E)  first or second lumbar vertebra 
A)  tenth thoracic vertebra 
B)  first sacral vertebra 
C)  seventh cervical vertebra 
D)  fourth or fifth lumbar vertebra 
E)  first or second lumbar vertebra

Question 20

Motor innervation of the muscles of facial expression is transmitted through which cranial nerve?

Accepted Answer

A)  VI 
B)  VII 
C)  XI 
D)  V 
E)  X 
A)  VI 
B)  VII 
C)  XI 
D)  V 
E)  X

Monosynaptic reflexes

Which of the following neurotransmitters usually depolarizes postsynaptic neurons?

The area anterior to the central sulcus is the

A few spiders produce a venom that is a calcium-channel blocker.Where would this venom have on nerve impulse transmission?

The gray matter of the spinal cord is dominated by

A condition known as Bell's palsy is thought to be caused by an inflammation of the facial nerve (VII).What symptoms would one expect to see in a person suffering from this condition?

A mixed nerve

The two cerebral hemispheres are separated by the

Which of the following performs such abstract intellectual function as predicting the future consequences of events or actions?

Which of the following is a descending pathway of the spinal cord?

A stimulus that opens gated potassium ion channels,moving the membrane voltage value below the resting potential value,results in which of the following?

Neurons that have two or more dendrites and a single axon extending away from the cell body are called

Which nerve from the brachial plexus innervates the extensor muscles of the arm and forearm?

The ________ nervous system provides involuntary regulation of smooth muscle,cardiac muscle,and glandular activity.

Small phagocytic glial cells,which are derived from white blood cells,are called

The flexor reflex

When a cerebrospinal fluid specimen is needed for testing,the specimen is removed by needle from the L3-L4 interspace area of the vertebral column.Why?

Which of the following lists the parts of a reflex arc in the correct order?

In adults,the spinal cord usually extends to which level?

Motor innervation of the muscles of facial expression is transmitted through which cranial nerve?

An Introduction to Anatomy and Physiology

The Chemical Level of Organization

Cell Structure and Function

The Tissue Level of Organization

The Integumentary System

The Skeletal System

The Muscular System

The General and Special Senses

The Endocrine System

The Cardiovascular System: Blood

The Cardiovascular System: The Heart

The Cardiovascular System: Blood Vessels and Circulation

The Lymphatic System and Immunity

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Exam 8: The Nervous System

Monosynaptic reflexes

Which of the following neurotransmitters usually depolarizes postsynaptic neurons?

The area anterior to the central sulcus is the

A few spiders produce a venom that is a calcium-channel blocker.Where would this venom have on nerve impulse transmission?

The gray matter of the spinal cord is dominated by

A condition known as Bell's palsy is thought to be caused by an inflammation of the facial nerve (VII).What symptoms would one expect to see in a person suffering from this condition?

A mixed nerve

The two cerebral hemispheres are separated by the

Which of the following performs such abstract intellectual function as predicting the future consequences of events or actions?

Which of the following is a descending pathway of the spinal cord?

A stimulus that opens gated potassium ion channels,moving the membrane voltage value below the resting potential value,results in which of the following?

Neurons that have two or more dendrites and a single axon extending away from the cell body are called

Which nerve from the brachial plexus innervates the extensor muscles of the arm and forearm?

The ________ nervous system provides involuntary regulation of smooth muscle,cardiac muscle,and glandular activity.

Small phagocytic glial cells,which are derived from white blood cells,are called

The flexor reflex

When a cerebrospinal fluid specimen is needed for testing,the specimen is removed by needle from the L3-L4 interspace area of the vertebral column.Why?

Which of the following lists the parts of a reflex arc in the correct order?

In adults,the spinal cord usually extends to which level?

Motor innervation of the muscles of facial expression is transmitted through which cranial nerve?

An Introduction to Anatomy and Physiology

The Chemical Level of Organization

Cell Structure and Function

The Tissue Level of Organization

The Integumentary System

The Skeletal System

The Muscular System

The General and Special Senses

The Endocrine System

The Cardiovascular System: Blood

The Cardiovascular System: The Heart

The Cardiovascular System: Blood Vessels and Circulation

The Lymphatic System and Immunity

The Respiratory System

The Digestive System

Metabolism and Energetics

The Urinary System

The Reproductive System

Development and Inheritance

Filters