Question

Where (in the brain) is somatosensory information sent?

Where are the receptors for the somatic senses located?  

What kind of receptors are touch receptors?

  What is a receptor potential?

What do nociceptors detect?  

• If there is a low density of sensory receptors, does that mean large or small receptive field?  
• What is the two-point touch threshold?
• Where are the olfactory receptors located?
• Olfactory receptors send axons to _______________ and the information is eventually sent to the _____________ cortex, located in the ______________lobe.  
• What can our taste buds sense?  
• How is salty and sour detected or how does it depolarize the taste cell?  
• How are sweet, bitter, and umami detected or how does the cell become depolarized?  
• What is the function of Ca⁺⁺?  Information about taste is sent to the ____________cortex
• where does sound go after it hits the tympanic membrane, the oval window, the cochlea, etc.?  
• Where is the spiral organ of corti?
• What type of receptors are hair cells?
•   What is the difference between conductive and sensorineural hearing loss?  
• What part of the ear gives us our sense of balance?
• What forms the inner ear?  
• What does the vestibular apparatus consist of?  
• Which structures send our brain information about linear acceleration?
• Rotational acceleration?
• In which part of the eye are photoreceptors located?  
• What is the visual field versus accommodation?  
• What is the difference between myopia, hyperopia, and astigmatism?
• electrical signals processed and sent to the __________cortex in the ____________ lobe.  
• Which photoreceptors are for color vision?  
• Black and white vision?
• What is rhodopsin and how is it activated?
• Is rhodopsin applicable to rods or cones?  
• What is the fovea centralis and what does it have to do with visual acuity?  
• What is the name of the general ascending pathways?
• Are they carrying sensory or motor information?  
• What is the name of the general descending pathway discussed?
• Is it carrying sensory or motor information?

  How is a receptor potential different/like an action potential?

Answer 1

Ans 1. Parietal lobe of cerebral cortex
Ans 2.Somato sensory receptors are present on the skin
subcutaneous tissues
skeletal muscles
bones and joints,
epithelia,
Ans 3. Touch receptor are classified as mechanoreceptors
Ans 4.when there is stationary depolarization of a receptor which usually occurs in response against a stimulus and that results in an action potential after appropriate threshold is reached called as receptor potential. It is also defined as generator potential
Ans 5. nociceptors gets stimulated when there is potentially damaging stimuli at the skin.It detect extremes forms of temperature and pressure and extreme injury related chemicals and other foreign substances.

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