Which of the Following Acts as the Trigger for the Initiation

question 48

Multiple Choice

Which of the following acts as the trigger for the initiation of micturition (voiding) ?

• A) the pressure of the fluid in the bladder
• B) motor neurons
• C) the stretching of the bladder wall
• D) the sympathetic efferents

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Definitions:

Meniere's Disease

A disorder of the inner ear causing vertigo, hearing loss, and ringing in the ear (tinnitus), typically affecting one ear.

Ear Ossicles

Three tiny bones called the malleus, the incus, and the stapes located in the middle ear cavity. They are the smallest bones of the body.

Semicircular Canals

Three fluid-filled bony channels in the inner ear that play a critical role in maintaining balance by detecting head rotations.

Auditory Tubes

Tubes that connect the middle ear to the nasopharynx, which help equalize pressure between the ear and the throat, also known as Eustachian tubes.