Chapter 59 Which Type Brain Wave Pattern Characterizes Petit

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Hall: Guyton and Hall Textbook of Medical Physiology, 12th Edition

Chapter 59: States of Brain Activity—Sleep, Brain Waves, Epilepsy, Psychoses

Test Bank

1. Stimulation of which of the following brain regions can induce sleep?

A. The bulboreticular facilatory area

B. The raphe nuclei

C. The hippocampus

D. The locus coeruleus

2. Which of the following are true statements concerning REM sleep?

A. During REM sleep peripheral muscle tone is inhibited

B. REM sleep periods get progressively shorter as the sleep period progresses

C. Delta waves are the predominant EEG feature during REM sleep

D. All of the above are true statements concerning REM sleep

3. As an individual progresses in age from childhood to old age, which of the following

statements best describes the changes in sleep patterns one would observe?

A. As one ages the amount of time spent in stage 4 sleep increases

B. As one ages the amount of time spent in REM sleep increases

C. As one ages the amount of time one could record delta waves in an EEG during sleep

decreases

D. As one ages the incidence of nocturnal awakenings decrease

4. Mania is a condition in which there is an excess of which of the following

neurotransmitters?

A. Dopamine

B. Serotonin

C. GABA

D. Acetylcholine

5. Which type of brain wave pattern characterizes petit mal epilepsy?

A. High amplitude beta waves

B. Theta waves

C. A spike and dome pattern of activity

D. Low amplitude alpha waves

Test Bank

59-2

6. Which disorder is associated with dysfunction of the mesolimbic dopaminergic system?

A. Major depressive disorder

B. Schizophrenia

C. Mania

D. Sleep apnea

7. As individuals age, the relative amount of time spent in this stage of sleep decreases?

A. REM sleep

B. Stage 2 sleep

C. Stage 4 sleep

D. Paradoxical sleep

8. Delta waves recorded in an adult during a typical EEG are thought to be indicative of:

A. The intrinsic activity of the cortex

B. Emotional stress and frustration

C. Intense mental activity

D. Quiet resting states of cerebration

9. The typical petit mal seizure is characterized by:

A. Tonic-clonic convulsions

B. A brief period of unconsciousness

C. Uncontrolled muscle activity limited to one limb

D. All of the above

10. Theta waves recorded in an adult during a typical EEG are thought to be indicative of:

A. The intrinsic activity of the cortex

B. Emotional stress, disappointment and frustration

C. Quiet resting cerebration

D. Intense mental activity