- A non-painful stimulus is perceived as painful.
- Pain is felt in a phantom limb.
- There is reduced sensitivity to pain.
- Pain intensity fluctuates rapidly.
Category: Biology etea medical mcqs
- Rods
- Cones
- The optic nerve
- The lens
- Pain perception is reduced.
- There is an increased sensitivity to painful stimuli.
- There is a complete absence of pain.
- Pain is perceived in a non-existent limb.
- Frontal lobe
- Parietal lobe
- Occipital lobe
- Temporal lobe
- Utricle
- Saccule
- Semicircular canals
- Cochlea
- Thalamus directly.
- Cerebellum.
- Brainstem and then to the thalamus.
- Spinal cord.
- Sensory adaptation
- Frequency coding
- Two-point discrimination
- Lateral inhibition
- The cell increases its sensitivity to a stimulus.
- The number of receptors on the cell surface decreases due to prolonged high ligand concentration.
- Receptors become more efficient at signal transduction.
- New receptors are synthesized.
- Occipital lobe
- Parietal lobe
- Frontal lobe
- Temporal lobe
- A continuous strong stimulus causing decreased receptor sensitivity.
- An increase in the number of receptors on a cell surface in response to low ligand concentration.
- Receptor desensitization due to prolonged exposure.
- Receptor binding to an antagonist.
- The lens of the eye.
- The blood vessels of the retina.
- The optic nerve.
- The cornea.
- Mechanoreceptors
- Photoreceptors
- Chemoreceptors
- Thermoreceptors
- Peripheral vision.
- Central vision and high acuity.
- Night vision.
- Color perception.
- Damage to the optic nerve.
- Clouding of the lens of the eye.
- Retinal detachment.
- Increased intraocular pressure.
- Clouding of the lens.
- Increased intraocular pressure.
- Retinal detachment.
- Macular degeneration.
- The outer ear.
- The middle ear ossicles.
- Hair cells in the cochlea.
- The auditory nerve.
- Amplitude of the sound wave.
- Frequency of the sound wave.
- Duration of the sound wave.
- Location of the sound source.
- Frequency of the sound wave.
- Amplitude (intensity) of the sound wave.
- Duration of the sound wave.
- Location of the sound source.
- Pain sensitizers.
- Pain modulators, reducing pain perception.
- Receptor activators.
- Neurotransmitter reuptake inhibitors.
