- Semicircular canals
- Vestibule
- Cochlea
- Eustachian tube
Category: Biology etea medical mcqs
- Transduction of sound waves.
- Collection and funneling of sound waves.
- Amplification of sound waves.
- Conversion of sound into electrical signals.
- Dampen loud sounds.
- Protect the inner ear from damage.
- Amplify and transmit sound vibrations to the inner ear.
- Convert sound waves into nerve impulses.
- Chemoreceptors
- Photoreceptors
- Mechanoreceptors
- Thermoreceptors
- Depolarization
- Hyperpolarization
- Action potential
- No change in potential
- Rapidly opening ion channels.
- Activating intracellular signaling pathways, often involving G-proteins.
- Generating action potentials directly.
- Sensing pressure changes.
- They directly open ion channels.
- They synthesize ATP for receptor activation.
- They act as intermediaries to activate effector enzymes or ion channels.
- They regulate neurotransmitter reuptake.
- Activating second messenger systems.
- Directly opening or closing ion channels upon ligand binding.
- Phosphorylating intracellular proteins.
- Acting as enzymes.
- Olfactory epithelium
- Retina
- Taste buds
- Cochlea
- Sensitization
- Adaptation
- Potentiation
- Facilitation
- Optic nerve (II)
- Trigeminal nerve (V)
- Olfactory nerve (I)
- Facial nerve (VII)
- Muscle spindle
- Baroreceptor (for sustained pressure)
- Pacinian corpuscle (for vibration)
- Merkel cell
- Tonic receptors
- Phasic receptors
- Nociceptors
- Thermoreceptors
- Rapid decrease in firing rate despite continuous stimulus.
- Sustained firing as long as the stimulus is applied.
- Sensitivity only to sudden changes in stimulus.
- Being primarily involved in pain perception.
- Temperature of the skin.
- Chemical composition of blood.
- Body position and movement.
- Light intensity.
- Photoreceptors in the eye
- Thermoreceptors in the skin
- Proprioceptors in muscles
- Nociceptors on the skin surface
- The external environment.
- The internal environment of the body.
- Joint positions.
- Taste buds.
- Hyperpolarization
- Action potentials
- Synaptic transmission
- Decreased sensitivity
- Action potential
- Synaptic potential
- Receptor potential
- Resting potential
