Self-test questions: Chapter 19

. Which of the following statements regarding the functions of the cerebral hemispheres is correct?

The parietal lobes are involved in pain perception.

Damage to the parietal lobes is associated with paralysis of the muscles on the contralateral side of the body.

Damage to the temporal lobes can lead to a failure of object recognition.

The parietal lobe on the right side of the brain plays a significant role in the comprehension of speech.

. Which of the following statements regarding the control of speech is correct?

In left-handed people the faculty of speech is mainly located in the right hemisphere.

Individuals affected by Broca's aphasia are able to speak only with great difficulty.

An individual with Broca's aphasia will have paralysis of the lips and tongue

Wernicke's aphasia results from damage to the frontal speech area

. Which of the following statements regarding the electroencephalogram (EEG) is correct?

The normal EEG of an awake person is dominated by alpha waves

Delta waves are commonly seen during deep sleep

The presence of theta waves in the EEG of an awake child is indicative of cerebral pathology.

The EEG is useful for diagnosis of certain brain disorders.

. The sleep-wakefulness cycle is an intrinsic circadian rhythm of the brain.

True

False

. The deepest phases of sleep are frequently associated with rapid eye movements

True

False

. The need for sleep declines with age.

True

False

. Due to the lack of physical activity, the secretion of growth hormone is decreased during sleep.

True

False

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