Question 1

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 2

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 3

Which of the following is the most sensitive body region?

Accepted Answer

A) chest 
B) face 
C) feet 
D) back 
E) legs 
A) chest 
B) face 
C) feet 
D) back 
E) legs

Question 4

The ________ ventricle is associated with the pons and upper portion of the medulla oblongata.

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 branching structures that,together with the cell body,are sensitive to chemical,mechanical,or electrical stimulation are called

Accepted Answer

A) axons. 
B) Nissl bodies. 
C) synapses. 
D) dendrites. 
E) neurofibrils. 
A) axons. 
B) Nissl bodies. 
C) synapses. 
D) dendrites. 
E) neurofibrils.

Question 6

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 7

Which statement is true regarding action potential propagation?

Accepted Answer

A) In salutatory conduction,the myelin is composed of fat,which insulates the axon membrane against sodium ion flow across the membrane. 
B) Continuous propagation results in one graded potential producing multiple action potentials. 
C) The action potential will die out along the axon if another graded potential does not occur. 
D) All voltage-gated channels along the axon open at the same time,allowing sodium to flow in simultaneously. 
E) The active transport of sodium and potassium through sodium-potassium ion pumps causes depolarization of the axon membrane. 
A) In salutatory conduction,the myelin is composed of fat,which insulates the axon membrane against sodium ion flow across the membrane. 
B) Continuous propagation results in one graded potential producing multiple action potentials. 
C) The action potential will die out along the axon if another graded potential does not occur. 
D) All voltage-gated channels along the axon open at the same time,allowing sodium to flow in simultaneously. 
E) The active transport of sodium and potassium through sodium-potassium ion pumps causes depolarization of the axon membrane.

Question 8

Head injuries that damage cerebral blood vessels are serious conditions because

Accepted Answer

A) they could cause severe pain. 
B) the blood could compress and distort the relatively soft tissues of the brain. 
C) epicardial tissue will be affected. 
D) the venous sinus will not drain. 
E) pathways will be blocked. 
A) they could cause severe pain. 
B) the blood could compress and distort the relatively soft tissues of the brain. 
C) epicardial tissue will be affected. 
D) the venous sinus will not drain. 
E) pathways will be blocked.

Question 9

Which of the following is abnormal in the adult?

Accepted Answer

A) plantar reflex 
B) Babinski sign 
C) withdrawal reflex 
D) flexor reflex 
E) knee-jerk reflex 
A) plantar reflex 
B) Babinski sign 
C) withdrawal reflex 
D) flexor reflex 
E) knee-jerk reflex

Question 10

The spinal pathway(s)that carries/carry highly localized sensory information concerning fine touch and pressure is/are the

Accepted Answer

A) spinocerebellar pathway. 
B) posterior column. 
C) corticospinal pathway. 
D) medial and lateral pathways. 
E) spinothalamic pathway. 
A) spinocerebellar pathway. 
B) posterior column. 
C) corticospinal pathway. 
D) medial and lateral pathways. 
E) spinothalamic pathway.

Question 11

Structure K is part of the

Accepted Answer

A) midbrain. 
B) diencephalon. 
C) cerebrum. 
D) brainstem. 
E) limbic system. 
A) midbrain. 
B) diencephalon. 
C) cerebrum. 
D) brainstem. 
E) limbic system.

Question 12

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 13

The ________ is the layer of the meninges that is in direct contact with the surface of the brain.

Accepted Answer

A) pia mater 
B) subarachnoid space 
C) dura mater 
D) epidural space 
E) arachnoid 
A) pia mater 
B) subarachnoid space 
C) dura mater 
D) epidural space 
E) arachnoid

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

Saltatory conduction

Accepted Answer

A) occurs only if the myelin sheath is continuous. 
B) occurs only if nodes of Ranvier are lacking. 
C) is faster than conduction on an unmyelinated axon. 
D) produces a stronger action potential. 
E) occurs at the synapse. 
A) occurs only if the myelin sheath is continuous. 
B) occurs only if nodes of Ranvier are lacking. 
C) is faster than conduction on an unmyelinated axon. 
D) produces a stronger action potential. 
E) occurs at the synapse.

Question 16

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 17

If Broca's area is damaged,what might result?

Accepted Answer

A) loss of sensation 
B) loss of the ability to speak 
C) loss of upper limb control 
D) loss of memory 
E) mental retardation 
A) loss of sensation 
B) loss of the ability to speak 
C) loss of upper limb control 
D) loss of memory 
E) mental retardation

Question 18

Almost 75 percent of all parasympathetic outflow travels along the

Accepted Answer

A) oculomotor nerve. 
B) splanchnic nerves. 
C) vagus nerve. 
D) pelvic nerves. 
E) collateral nerve. 
A) oculomotor nerve. 
B) splanchnic nerves. 
C) vagus nerve. 
D) pelvic nerves. 
E) collateral nerve.

Question 19

Neurons that have one axon and one dendrite with the cell body between them 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 20

During an EEG,alpha waves

Accepted Answer

A) are observed in children and frustrated adults. 
B) are observed in many pathological conditions. 
C) typically accompany intense concentration. 
D) occur in deep sleep. 
E) are characteristic of normal resting adults. 
A) are observed in children and frustrated adults. 
B) are observed in many pathological conditions. 
C) typically accompany intense concentration. 
D) occur in deep sleep. 
E) are characteristic of normal resting adults.

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

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

Which of the following is the most sensitive body region?

The ________ ventricle is associated with the pons and upper portion of the medulla oblongata.

The branching structures that,together with the cell body,are sensitive to chemical,mechanical,or electrical stimulation are called

The area anterior to the central sulcus is the

Which statement is true regarding action potential propagation?

Head injuries that damage cerebral blood vessels are serious conditions because

Which of the following is abnormal in the adult?

The spinal pathway(s)that carries/carry highly localized sensory information concerning fine touch and pressure is/are the

Structure K is part of the

The gray matter of the spinal cord is dominated by

The ________ is the layer of the meninges that is in direct contact with the surface of the brain.

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

Saltatory conduction

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

If Broca's area is damaged,what might result?

Almost 75 percent of all parasympathetic outflow travels along the

Neurons that have one axon and one dendrite with the cell body between them are called

During an EEG,alpha waves

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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Exam 8: The Nervous System

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

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

Which of the following is the most sensitive body region?

The ________ ventricle is associated with the pons and upper portion of the medulla oblongata.

The branching structures that,together with the cell body,are sensitive to chemical,mechanical,or electrical stimulation are called

The area anterior to the central sulcus is the

Which statement is true regarding action potential propagation?

Head injuries that damage cerebral blood vessels are serious conditions because

Which of the following is abnormal in the adult?

The spinal pathway(s)that carries/carry highly localized sensory information concerning fine touch and pressure is/are the

Structure K is part of the

The gray matter of the spinal cord is dominated by

The ________ is the layer of the meninges that is in direct contact with the surface of the brain.

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

Saltatory conduction

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

If Broca's area is damaged,what might result?

Almost 75 percent of all parasympathetic outflow travels along the

Neurons that have one axon and one dendrite with the cell body between them are called

During an EEG,alpha waves

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