Many of the Mind-Altering Drugs Affect the Brain by

question 126

Multiple Choice

Many of the mind-altering drugs affect the brain by

• A)absorbing neural impulses.
• B)imitating, duplicating, or blocking neurotransmitters.
• C)changing the sodium balance in the synapse.
• D)duplicating the effect of potassium in the nuclei.

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Definitions:

Auditory Canal

The tube running from the outer ear to the middle ear, also known as the ear canal, which conducts sound waves to the eardrum.

Cerumen

A yellowish waxy substance secreted in the ear canal, commonly known as earwax.

Auricle

Another term for the external portion of the ear; it collects sound waves and directs them into the ear canal.

Tympanic Membrane

The thin membrane that separates the external ear from the middle ear, commonly known as the eardrum.