Question 1

A nerve is the same structure as a neuron.

Accepted Answer

A) True 
 B)False  False

Question 2

Cranial and spinal nerves are part of the central nervous system (CNS).

Accepted Answer

A) True 
 B)False  False

Question 3

Neurons conduct action potentials (nerve impulses), but neuroglia do not.

Accepted Answer

A) True 
 B)False  True

Question 4

Which type of neuroglial cell has a cuboidal shape?

Accepted Answer

A) Microglia 
B) Schwann cells 
C) Ependymal cells 
D) Oligodendrocytes 
E) Astrocytes 
A) Microglia 
B) Schwann cells 
C) Ependymal cells 
D) Oligodendrocytes 
E) Astrocytes

Question 5

Pertaining to the nervous system, what is an effector?

Accepted Answer

A) A cell or nerve ending that transmits sensory information to a sensory neuron 
B) An interneuron 
C) A motor neuron 
D) A type of neuroglia that physically supports neurons in the CNS 
E) A muscle or gland that receives a nerve impulse from a motor neuron 
A) A cell or nerve ending that transmits sensory information to a sensory neuron 
B) An interneuron 
C) A motor neuron 
D) A type of neuroglia that physically supports neurons in the CNS 
E) A muscle or gland that receives a nerve impulse from a motor neuron

Question 6

Which portion of a neuron originates action potentials (nerve impulses), to send to other neurons, glands, or muscle cells?

Accepted Answer

A) Nucleolus 
B) Dendrite 
C) Neurilemma 
D) Axon hillock 
E) Nissl bodies (chromatophilic substance) 
A) Nucleolus 
B) Dendrite 
C) Neurilemma 
D) Axon hillock 
E) Nissl bodies (chromatophilic substance)

Question 7

Neurons that have one dendrite and one axon extending from the cell body are called ________ neurons.

Accepted Answer

A) multipolar 
B) efferent 
C) bipolar 
D) association 
E) unipolar 
A) multipolar 
B) efferent 
C) bipolar 
D) association 
E) unipolar

Question 8

A peripheral process is a structure found only in ________ neurons.

Accepted Answer

A) bipolar 
B) motor 
C) multipolar 
D) association 
E) unipolar 
A) bipolar 
B) motor 
C) multipolar 
D) association 
E) unipolar

Question 9

Which type of neuron conducts nerve impulses from the central nervous system to muscles or glands?

Accepted Answer

A) Afferent neurons 
B) Association neurons 
C) Sensory neurons 
D) Interneurons 
E) Motor neurons 
A) Afferent neurons 
B) Association neurons 
C) Sensory neurons 
D) Interneurons 
E) Motor neurons

Question 10

What is found in the posterior root ganglion of a spinal nerve?

Accepted Answer

A) A cluster of sensory neuron cell bodies 
B) A mass of axons of motor neurons 
C) A cluster of cell bodies of interneurons 
D) A cluster of motor neuron cell bodies 
E) A mass of axons of interneurons 
A) A cluster of sensory neuron cell bodies 
B) A mass of axons of motor neurons 
C) A cluster of cell bodies of interneurons 
D) A cluster of motor neuron cell bodies 
E) A mass of axons of interneurons

Question 11

What is the function of ependymal cells?

Accepted Answer

A) They are the phagocytes of the brain. 
B) They produce cerebrospinal fluid, and circulate it around the brain and spinal cord. 
C) They produce the myelin sheath around axons of the peripheral nervous system. 
D) They support the cell bodies of neurons in peripheral ganglia. 
E) They produce the myelin sheath around axons of the central nervous system. 
A) They are the phagocytes of the brain. 
B) They produce cerebrospinal fluid, and circulate it around the brain and spinal cord. 
C) They produce the myelin sheath around axons of the peripheral nervous system. 
D) They support the cell bodies of neurons in peripheral ganglia. 
E) They produce the myelin sheath around axons of the central nervous system.

Question 12

Exchange of nutrients and other substances between CNS neurons and blood vessels is accomplished by

Accepted Answer

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

Question 13

A bundle of nerve fibers is surrounded by a layer of fibrous connective tissue called the

Accepted Answer

A) epineurium. 
B) fascicle. 
C) endoneurium. 
D) neurilemma. 
E) perineurium. 
A) epineurium. 
B) fascicle. 
C) endoneurium. 
D) neurilemma. 
E) perineurium.

Question 14

All structural types of neurons contain only one axon.

Accepted Answer

A) True 
 B)False

Question 15

Nodes of Ranvier are found only on

Accepted Answer

A) myelinated axons. 
B) dendrites. 
C) astrocytes. 
D) Nissl bodies. 
E) unmyelinated axons. 
A) myelinated axons. 
B) dendrites. 
C) astrocytes. 
D) Nissl bodies. 
E) unmyelinated axons.

Question 16

Which of the following is NOT true of the myelin sheath?

Accepted Answer

A) The myelin sheath increases the speed of nerve impulse conduction. 
B) The myelin sheath is an electric insulator. 
C) The myelin sheath forms a wrapped coating around both axons and dendrites. 
D) The myelin sheath is part of a living cell. 
E) All of these are true of the myelin sheath. 
A) The myelin sheath increases the speed of nerve impulse conduction. 
B) The myelin sheath is an electric insulator. 
C) The myelin sheath forms a wrapped coating around both axons and dendrites. 
D) The myelin sheath is part of a living cell. 
E) All of these are true of the myelin sheath.

Question 17

The rarest structural type of neuron is a bipolar neuron.

Accepted Answer

A) True 
 B)False

Question 18

Sensory neurons are

Accepted Answer

A) always multipolar. 
B) mostly unipolar, but some are bipolar. 
C) always unipolar. 
D) mostly multipolar, but some are bipolar. 
E) always bipolar. 
A) always multipolar. 
B) mostly unipolar, but some are bipolar. 
C) always unipolar. 
D) mostly multipolar, but some are bipolar. 
E) always bipolar.

Question 19

Which of the following is true of interneurons?

Accepted Answer

A) They are only found in the peripheral nervous system. 
B) They are also called efferent neurons. 
C) They often connect sensory neurons to motor neurons. 
D) They are directly connected to sensory receptors. 
E) None of the choices is true of interneurons. 
A) They are only found in the peripheral nervous system. 
B) They are also called efferent neurons. 
C) They often connect sensory neurons to motor neurons. 
D) They are directly connected to sensory receptors. 
E) None of the choices is true of interneurons.

Question 20

Which type of neuroglia forms the myelin sheath around some axons of the PNS (peripheral nervous system)?

Accepted Answer

A) Schwann cells 
B) Astrocytes 
C) Satellite cells 
D) Oligodendrocytes 
E) Ependymal cells 
A) Schwann cells 
B) Astrocytes 
C) Satellite cells 
D) Oligodendrocytes 
E) Ependymal cells

Exam 27: Nervous Tissue and Nerves

A nerve is the same structure as a neuron.

Cranial and spinal nerves are part of the central nervous system (CNS).

Neurons conduct action potentials (nerve impulses), but neuroglia do not.

Which type of neuroglial cell has a cuboidal shape?

Pertaining to the nervous system, what is an effector?

Which portion of a neuron originates action potentials (nerve impulses), to send to other neurons, glands, or muscle cells?

Neurons that have one dendrite and one axon extending from the cell body are called ________ neurons.

A peripheral process is a structure found only in ________ neurons.

Which type of neuron conducts nerve impulses from the central nervous system to muscles or glands?

What is found in the posterior root ganglion of a spinal nerve?

What is the function of ependymal cells?

Exchange of nutrients and other substances between CNS neurons and blood vessels is accomplished by

A bundle of nerve fibers is surrounded by a layer of fibrous connective tissue called the

All structural types of neurons contain only one axon.

Nodes of Ranvier are found only on

Which of the following is NOT true of the myelin sheath?

The rarest structural type of neuron is a bipolar neuron.

Sensory neurons are

Which of the following is true of interneurons?

Which type of neuroglia forms the myelin sheath around some axons of the PNS (peripheral nervous system)?

Scientific Method and Measurements

Body Organization, Membranes, and Terminology

Chemistry of Life

Care and Use of the Microscope

Cell Structure and Function

Movements Through Membranes

Cell Cycle

Epithelial Tissues

Connective Tissues

Muscle and Nervous Tissues

Integumentary System

Bone Structure and Classification

Organization of the Skeleton

Skull

Vertebral Column and Thoracic Cage

Pectoral Girdle and Upper Limb

Pelvic Girdle and Lower Limb

Fetal Skeleton

Joint Structure and Movements

Skeletal Muscle Structure and Function

Electromyography: Biopac Exercise

Muscles of the Head and Neck

Muscles of the Chest, Shoulder, and Upper Limb

Muscles of the Vertebral Column, Abdominal Wall, and Pelvic Floor

Muscles of the Hip and Lower Limb

Surface Anatomy

Meninges, Spinal Cord, and Spinal Nerves

Reflex Arc and Somatic Reflexes

Brain and Cranial Nerves

Reaction Time: Biopac Exercise

Electroencephalography I: Biopac Exercise

Dissection of the Sheep Brain

General Senses

Smell and Taste

Eye Structure

Visual Tests and Demonstrations

Ear and Hearing

Ear and Equilibrium

Endocrine Structure and Function

Diabetic Physiology

Blood Cells

Blood Testing

Blood Typing

Heart Structure

Cardiac Cycle

Electrocardiography: Biopac Exercise

Blood Vessel Structure, Arteries, and Veins

Pulse Rate and Blood Pressure

Lymphatic System

Respiratory Organs

Breathing and Respiratory Volumes

Spirometry: Biopac Exercise

Control of Breathing

Digestive Organs

Action of a Digestive Enzyme

Metabolism

Urinary Organs

Urinalysis

Male Reproductive System