Question 1

Dual innervation refers to an organ receiving

Accepted Answer

A) two nerves from the spinal cord. 
B) both autonomic and somatic motor nerves. 
C) both sympathetic and parasympathetic nerves. 
D) nerves from both the brain and the spinal cord. 
E) both preganglionic and postganglionic innervation. 
A) two nerves from the spinal cord. 
B) both autonomic and somatic motor nerves. 
C) both sympathetic and parasympathetic nerves. 
D) nerves from both the brain and the spinal cord. 
E) both preganglionic and postganglionic innervation.

Question 2

All of the nervous tissue outside of the central nervous system comprises the ________ nervous system.

Accepted Answer

A) somatic 
B) autonomic 
C) sympathetic 
D) central 
E) peripheral 
A) somatic 
B) autonomic 
C) sympathetic 
D) central 
E) peripheral

Question 3

Structure D is the

Accepted Answer

A) hypothalamus. 
B) thalamus. 
C) lateral ventricle. 
D) optic chiasm. 
E) pineal gland. 
A) hypothalamus. 
B) thalamus. 
C) lateral ventricle. 
D) optic chiasm. 
E) pineal gland.

Question 4

Opening of voltage-gated sodium channels in the membrane of a neuron results in

Accepted Answer

A) depolarization. 
B) repolarization. 
C) hyperpolarization. 
D) increased negative charge inside the membrane. 
E) myelination. 
A) depolarization. 
B) repolarization. 
C) hyperpolarization. 
D) increased negative charge inside the membrane. 
E) myelination.

Question 5

Enlargements of the spinal cord occur

Accepted Answer

A) near the posterior median sulcus. 
B) adjacent to the anterior median fissure. 
C) in the cervical and lumbar regions. 
D) in the thoracic region of the spinal cord. 
E) in the cervical and thoracic regions. 
A) near the posterior median sulcus. 
B) adjacent to the anterior median fissure. 
C) in the cervical and lumbar regions. 
D) in the thoracic region of the spinal cord. 
E) in the cervical and thoracic regions.

Question 6

Another name for the patellar reflex is the

Accepted Answer

A) knee-jerk reflex. 
B) spinal short reflex. 
C) dorsiflexion reflex. 
D) long spinal reflex. 
E) ankle-jerk reflex. 
A) knee-jerk reflex. 
B) spinal short reflex. 
C) dorsiflexion reflex. 
D) long spinal reflex. 
E) ankle-jerk reflex.

Question 7

Which of the following delivers poorly localized sensations of touch,pressure,pain,and temperature to the primary sensory cortex?

Accepted Answer

A) spinothalamic pathway 
B) medial pathway 
C) spinocerebellar pathway 
D) lateral pathway 
E) posterior column pathway 
A) spinothalamic pathway 
B) medial pathway 
C) spinocerebellar pathway 
D) lateral pathway 
E) posterior column pathway

Question 8

Clusters of rough endoplasmic reticulum and free ribosomes are known as

Accepted Answer

A) neurofilaments. 
B) neurofibrils. 
C) synapses. 
D) Nissl bodies. 
E) microglia. 
A) neurofilaments. 
B) neurofibrils. 
C) synapses. 
D) Nissl bodies. 
E) microglia.

Question 9

In general,the nervous system

Accepted Answer

A) controls only conscious activities. 
B) is fast acting. 
C) is long lasting. 
D) responds to changes in the external environment only. 
E) is one of the simplest organ systems. 
A) controls only conscious activities. 
B) is fast acting. 
C) is long lasting. 
D) responds to changes in the external environment only. 
E) is one of the simplest organ systems.

Question 10

Which structure secretes melatonin?

Accepted Answer

A) anterior pituitary gland 
B) superior colliculus 
C) posterior pituitary gland 
D) hypothalamus 
E) pineal gland 
A) anterior pituitary gland 
B) superior colliculus 
C) posterior pituitary gland 
D) hypothalamus 
E) pineal gland

Question 11

Which of the following is the correct order of events that occur at a cholinergic synapse? 1.Extracellular calcium enters the axon terminal,triggering the exocytosis of acetylcholine.
2.Acetylcholine is removed by acetylcholinesterase.
3.Acetylcholine binds to receptors and depolarizes the postsynaptic membrane.
4.Axon terminal depolarizes.

Accepted Answer

A) 2,3,1,4 
B) 1,4,3,2 
C) 4,1,2,3 
D) 3,4,1,2 
E) 4,1,3,2 
A) 2,3,1,4 
B) 1,4,3,2 
C) 4,1,2,3 
D) 3,4,1,2 
E) 4,1,3,2

Question 12

Spinal nerves from the brachial plexus innervate the

Accepted Answer

A) shoulder girdle and upper limb. 
B) chest muscles. 
C) abdominal muscles. 
D) leg muscles. 
E) diaphragm. 
A) shoulder girdle and upper limb. 
B) chest muscles. 
C) abdominal muscles. 
D) leg muscles. 
E) diaphragm.

Question 13

Structure Q is the

Accepted Answer

A) fornix. 
B) forebrain. 
C) precentral gyrus. 
D) basal ganglia. 
E) corpus callosum. 
A) fornix. 
B) forebrain. 
C) precentral gyrus. 
D) basal ganglia. 
E) corpus callosum.

Question 14

The projections of gray matter extending through the white matter toward the outer surface of the spinal cord are called

Accepted Answer

A) wings. 
B) horns. 
C) pyramids. 
D) fibers. 
E) tracts. 
A) wings. 
B) horns. 
C) pyramids. 
D) fibers. 
E) tracts.

Question 15

Ascending pathways

Accepted Answer

A) carry sensory information to the brain. 
B) carry motor information to the brain. 
C) carry sensory information from the brain. 
D) carry motor information from the brain. 
E) provide subconscious involuntary control of muscle tone. 
A) carry sensory information to the brain. 
B) carry motor information to the brain. 
C) carry sensory information from the brain. 
D) carry motor information from the brain. 
E) provide subconscious involuntary control of muscle tone.

Question 16

The midbrain has a slender CSF-filled canal known as the

Accepted Answer

A) cerebral aqueduct. 
B) lateral ventricle. 
C) medulla oblongata. 
D) fourth ventricle. 
E) third ventricle. 
A) cerebral aqueduct. 
B) lateral ventricle. 
C) medulla oblongata. 
D) fourth ventricle. 
E) third ventricle.

Question 17

Muscle spindles

Accepted Answer

A) are found in cardiac muscle. 
B) are bundles of small,specialized skeletal muscle fibers. 
C) are controlled through the cranial nerves. 
D) are found mainly in smooth muscle. 
E) are not involved in stretch reflexes. 
A) are found in cardiac muscle. 
B) are bundles of small,specialized skeletal muscle fibers. 
C) are controlled through the cranial nerves. 
D) are found mainly in smooth muscle. 
E) are not involved in stretch reflexes.

Question 18

The effects of neurotransmitters released by the modified neurons of the adrenal medullae resemble those produced by stimulation of

Accepted Answer

A) sympathetic preganglionic fibers. 
B) parasympathetic postganglionic fibers. 
C) pelvic nerves. 
D) parasympathetic preganglionic fibers. 
E) sympathetic postganglionic fibers. 
A) sympathetic preganglionic fibers. 
B) parasympathetic postganglionic fibers. 
C) pelvic nerves. 
D) parasympathetic preganglionic fibers. 
E) sympathetic postganglionic fibers.

Question 19

Structure I is the

Accepted Answer

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

Question 20

Postganglionic fibers of autonomic neurons are usually

Accepted Answer

A) connected to cardiac muscle,smooth muscle,glands,and adipocytes. 
B) short in length. 
C) originating as nerves from the brain. 
D) located in the brain. 
E) located in the spinal cord. 
A) connected to cardiac muscle,smooth muscle,glands,and adipocytes. 
B) short in length. 
C) originating as nerves from the brain. 
D) located in the brain. 
E) located in the spinal cord.

Dual innervation refers to an organ receiving

All of the nervous tissue outside of the central nervous system comprises the ________ nervous system.

Structure D is the

Opening of voltage-gated sodium channels in the membrane of a neuron results in

Enlargements of the spinal cord occur

Another name for the patellar reflex is the

Which of the following delivers poorly localized sensations of touch,pressure,pain,and temperature to the primary sensory cortex?

Clusters of rough endoplasmic reticulum and free ribosomes are known as

In general,the nervous system

Which structure secretes melatonin?

Spinal nerves from the brachial plexus innervate the

Structure Q is the

The projections of gray matter extending through the white matter toward the outer surface of the spinal cord are called

Ascending pathways

The midbrain has a slender CSF-filled canal known as the

Muscle spindles

The effects of neurotransmitters released by the modified neurons of the adrenal medullae resemble those produced by stimulation of

Structure I is the

Postganglionic fibers of autonomic neurons are usually

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

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The Cardiovascular System: the Heart

The Cardiovascular System: Blood Vessels and Circulation

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Exam 8: The Nervous System

Dual innervation refers to an organ receiving

All of the nervous tissue outside of the central nervous system comprises the ________ nervous system.

Structure D is the

Opening of voltage-gated sodium channels in the membrane of a neuron results in

Enlargements of the spinal cord occur

Another name for the patellar reflex is the

Which of the following delivers poorly localized sensations of touch,pressure,pain,and temperature to the primary sensory cortex?

Clusters of rough endoplasmic reticulum and free ribosomes are known as

In general,the nervous system

Which structure secretes melatonin?

Spinal nerves from the brachial plexus innervate the

Structure Q is the

The projections of gray matter extending through the white matter toward the outer surface of the spinal cord are called

Ascending pathways

The midbrain has a slender CSF-filled canal known as the

Muscle spindles

The effects of neurotransmitters released by the modified neurons of the adrenal medullae resemble those produced by stimulation of

Structure I is the

Postganglionic fibers of autonomic neurons are usually

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

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