Ch 9: Online 1 Flashcards
Sensory System
What part of the ear contains the organ Corti?
Cochlea
What ear bone pushes in the oval window?
Stapes
Calcium carbonate in the utricle is called ____?
Otoliths
What cells are receptors for equilibrium?
Hair cells
What part of the eye contains photoreceptors?
Retina
What part of the eye bulges for near vision?
Lens
What part of the eye changes the size of the pupil?
Iris
What part of the brain controls vision?
Occipital lobes
Much of the sense of taste is actually ____?
Smell
Chemoreceptors are to taste as ____ are to smell.
Chemoreceptors
What are the nerves for the sense of smell?
Olfactory
What are the nerves for the sense of taste?
Facial and glossopharyngeal
What is the site of most receptors?
Dermis
What kind of nerve endings are the receptors for pain and heat?
Free nerve endings
What part of the brain feels and interprets cutaneous sensations?
Parietal lobes
Visceral pain felt as cutaneous pain is called ____?
Referred pain
The cochlea contains which organ?
Corti
What does the stapes bone do?
Pushes in the oval window
What are Otoliths?
Calcium carbonate in the utricle
Hair cells are receptors for what?
Equilibrium
What is contained in the retina?
Photoreceptors
The lens in the eye bulges for what type of vision?
Near vision
What does the iris of the eye do?
Changes the size of the pupil
The occipital lobes of the brain control what sense?
Vision
Smell contributes greatly to the perception of which other sense?
Taste
Chemoreceptors are to smell as ____ are to taste.
Chemoreceptors
Olfactory nerves control which sense?
Smell
The facial and glossopharyngeal nerves control which sense?
Taste
The dermis is the site of what sensory system component?
Receptors
The receptors for ____ have free nerve endings?
Heat and pain
The parietal lobes of the brain feel and interpret what kind of sensations?
Cutaneous sensations
What is referred pain?
Visceral pain felt as cutaneous pain
