Question 1

An EEG study may be used to diagnose _ .

Accepted Answer

A)  visual abnormalities 
B)  epilepsy 
C)  hormonal disorders of the brain 
D)  hydrocephalus 
A)  visual abnormalities 
B)  epilepsy 
C)  hormonal disorders of the brain 
D)  hydrocephalus B

Question 2

Deep sleep is associated with _.

Accepted Answer

A)  theta waves 
B)  delta waves 
C)  beta waves 
D)  alpha waves 
A)  theta waves 
B)  delta waves 
C)  beta waves 
D)  alpha waves B

Question 3

A flat EEG is a clinical sign of .

Accepted Answer

A)  epileptic seizure 
B)  brain death 
C)  brain tumor 
D)  brain abscess 
A)  epileptic seizure 
B)  brain death 
C)  brain tumor 
D)  brain abscess B

Question 4

Respiratory alkalosis results in EEG waves _.

Accepted Answer

A)  in the theta range 
B)  that are slower than delta waves 
C)  that resemble an epileptic seizure 
D)  that are flat 
A)  in the theta range 
B)  that are slower than delta waves 
C)  that resemble an epileptic seizure 
D)  that are flat

Question 5

Alpha block, the suppression of alpha waves that can be seen in the EEG, occurs when .

Accepted Answer

A)  one goes from a drowsy state into deep sleep 
B)  an individual is relaxed, with eyes closed 
C)  a person is in a coma 
D)  you open your eyes, after having relaxed with eyes closed 
A)  one goes from a drowsy state into deep sleep 
B)  an individual is relaxed, with eyes closed 
C)  a person is in a coma 
D)  you open your eyes, after having relaxed with eyes closed

Question 6

This type of brain wave is normal in children, but abnormal in adults.

Accepted Answer

A)  delta 
B)  theta 
C)  beta 
D)  alpha 
A)  delta 
B)  theta 
C)  beta 
D)  alpha

Question 7

The electroencephalogram (EEG) is a recording of .

Accepted Answer

A)  electrical activity of muscles of the skull 
B)  summed electrical activity of many neurons in the brain 
C)  electrical potentials in the skin of the scalp 
A)  electrical activity of muscles of the skull 
B)  summed electrical activity of many neurons in the brain 
C)  electrical potentials in the skin of the scalp

Question 8

An alert individual has a .

Accepted Answer

A)  relatively slow frequency pattern of brain waves 
B)  relatively rapid frequency pattern of brain waves 
C)  nearly flat EEG 
A)  relatively slow frequency pattern of brain waves 
B)  relatively rapid frequency pattern of brain waves 
C)  nearly flat EEG

Question 9

EEG studies are valuable because .

Accepted Answer

A)  they are relatively easy to record and analyze 
B)  they can reveal many kinds of brain abnormalities 
C)  they are noninvasive 
D)  they are noninvasive, they can reveal many kinds of brain abnormalities, and they are relatively easy to record and analyze 
A)  they are relatively easy to record and analyze 
B)  they can reveal many kinds of brain abnormalities 
C)  they are noninvasive 
D)  they are noninvasive, they can reveal many kinds of brain abnormalities, and they are relatively easy to record and analyze

Question 10

Which of the following EEG waves has the lowest frequency?

Accepted Answer

A)  beta 
B)  delta 
C)  theta 
D)  alpha 
A)  beta 
B)  delta 
C)  theta 
D)  alpha

Question 11

Brain waves of this type predominate when an individual is attentive and alert.

Accepted Answer

A)  delta 
B)  beta 
C)  theta 
D)  alpha 
A)  delta 
B)  beta 
C)  theta 
D)  alpha

Question 12

A physician may order an EEG study if the patient is suspected of having .

Accepted Answer

A)  a possible fracture of the frontal bone 
B)  brain damage resulting from a deep cut in the scalp 
C)  a broken nose 
D)  a tumor 
A)  a possible fracture of the frontal bone 
B)  brain damage resulting from a deep cut in the scalp 
C)  a broken nose 
D)  a tumor

Question 13

All of the following is true of an EEG except .

Accepted Answer

A)  it can be used to diagnose brain tumors 
B)  it measures the activity of specific regions of the brain 
C)  the frequency of the wave forms increases with mental activity and alertness 
D)  it represents summed electrical activity of many neuron in the brains 
A)  it can be used to diagnose brain tumors 
B)  it measures the activity of specific regions of the brain 
C)  the frequency of the wave forms increases with mental activity and alertness 
D)  it represents summed electrical activity of many neuron in the brains

Question 14

An EEG showing either very rapid or extremely slow frequency brain waves may occur when an individual is .

Accepted Answer

A)  alert and speaking 
B)  unconscious 
C)  moving about 
D)  drowsy 
A)  alert and speaking 
B)  unconscious 
C)  moving about 
D)  drowsy

Exam 18: Electroencephalography

An EEG study may be used to diagnose _ .

Deep sleep is associated with _.

A flat EEG is a clinical sign of .

Respiratory alkalosis results in EEG waves _.

Alpha block, the suppression of alpha waves that can be seen in the EEG, occurs when .

This type of brain wave is normal in children, but abnormal in adults.

The electroencephalogram (EEG) is a recording of .

An alert individual has a .

EEG studies are valuable because .

Which of the following EEG waves has the lowest frequency?

Brain waves of this type predominate when an individual is attentive and alert.

A physician may order an EEG study if the patient is suspected of having .

All of the following is true of an EEG except .

An EEG showing either very rapid or extremely slow frequency brain waves may occur when an individual is .

The Language of Anatomy

Organ Systems Overview

The Microscope

The Cell: Anatomy and Division

The Cell: Transport Mechanisms and Cell Permeability

Classification of Tissues

The Integumentary System

Overview of the Skeleton: Classification and Structure of Bones and Cartilages

The Axial Skeleton

The Appendicular Skeleton

Articulations and Body Movements

Microscopic Anatomy and Organization of Skeletal Muscle

Gross Anatomy of Muscular System

Skeletal Muscle Physiology: Frogs and Human Subjects

Histology of Nervous Tissue

Neurophysiology of Nerve Impulses: Frog Subjects

Gross Anatomy of the Brain and Cranial Nerves

The Spinal Cord and Spinal Nerves

The Autonomic Nervous System

Human Reflex Physiology

General Sensation

Special Senses: Anatomy of the Visual System

Special Senses: Visual Tests and Experiments

Special Senses: Hearing and Equilibrium

Special Senses: Olfaction and Taste

Functional Anatomy of the Endocrine Glands

Endocrine Wet Labs and Human Metabolism

Blood

Anatomy of the Heart

Conduction System of the Heart and Electrocardiography

Anatomy of Blood Vessels

Human Cardiovascular Physiology: Blood Pressure and Pulse Determinations

Frog Cardiovascular Physiology

The Lymphatic System and Immune Response

Anatomy of the Respiratory System

Respiratory System Physiology

Anatomy of the Digestive System

Digestive System Processes: Chemical and Physical

Anatomy of the Urinary System

Urinalysis

Anatomy of the Reproductive System

Physiology of Reproduction: Gametogenesis and the Female Cycles

Survey of Embryonic Development

Principles of Heredity

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