Soluble-Gas Neurotransmitters

question 115

Multiple Choice

Soluble-gas neurotransmitters

• A) are synthesized in the neural cytoplasm.
• B) once synthesized, immediately diffuse through the cell membrane into the extracellular fluid and into nearby cells.
• C) diffuse into target cells through their cell membranes.
• D) once in other cells, stimulate the synthesis of a second messenger and are immediately broken down.
• E) all of the above

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Definitions:

External Auditory Canal

The external auditory canal is the tube that connects the outer ear to the eardrum, allowing sound to travel to the inner parts of the ear.

Auricle

The auricle, or pinna, is the visible part of the ear that captures sound waves and directs them into the ear canal.

Tympanic Membrane

Also known as the eardrum, a thin membrane that vibrates in response to sound waves, transmitting sound from the outer ear to the middle ear.

Cochlea

A spiral-shaped cavity in the inner ear that is essential for hearing, containing the organ of Corti, which translates sound vibrations into nerve impulses.