MCQ H.3.3.3. – BasicPhysiology.org

MCQ

H.3.3.3. Equilibrium

MCQ H.3.3.3.

Equilibrium

1 / 4

In the human ear, how many semi-circular canals doe we have?

One

Two

Three

Four

2 / 4

In the human ear, what is a kinocilium?

The hairs that detect movement in the semi-circular canals

The hairs that detect movement in the utricle and the saccule

A thicker and longer hair in the utricle and in the saccule

A thinner and shorter hair in the utricle and in the saccule

3 / 4

How do the hair cells in the macula and the saccule, when detecting movement of fluid in the vestibular system, transmit their information to the brain?

By amplitude modulation of the action potentials

By frequency modulation of the action potentials

By faster propagation of the action potentials

By slower propagation of the action potentials

4 / 4

How do the hair cells, located in the crista ampullaris of the semi-circular canals, when detecting movement of fluid, transmit their information to the brain?

By faster propagation of the action potentials

By amplitude modulation of the action potentials

By frequency modulation of the action potentials

By slower propagation of the action potentials

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