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Somatic & Senses
Somatic & Special Senses Ch. 10
| Question | Answer |
|---|---|
| List the 5 kinds of receptors & what stimulates them. | Chemoreceptors-change in concentration of chemicals pain-tissue damage, thermoreceptors-change in temperature mechanoreceptors-change in pressure or movement photoreceptors-light energy |
| Perception of sensory impulses results from what? | The region of the brain that receives impulses. |
| The ability to ignore unimportant stimuli is | sensory adaptation |
| locations for receptors associated with SOMATIC senses | skin, muscles,joints, viscera |
| Messner's corpuscles and pacinian corpuscles are sensitive to ? | touch/pressure |
| Sensory receptors for all of the following adapt to repeated stimulation by sending fewer & fewer impulses, except ? | pain |
| Sharp pain that disappears when the pain stimulus is stopped is _______________________ pain. | acute |
| list the special senses | smell, taste, hearing, equilibrium (static, dynamic) and sight |
| Taste & smell receptors are examples of ? | Chemoreceptors |
| Olfactory receptors are located in the ? | Superior Nasal Conchae |
| The sensitive part of a taste bud is ? | Taste Hair |
| Four primary taste sensations are ? | sweet, salty, sour, bitter |
| Functions of the small bones of the middle ear are ? | transmit vibrations from external ear to inner ear and to increase force of vibrations transmitted to inner ear. |
| A means of providing equal pressure on both sides of the eardrum is furnished by the _______________ _______________ | eustachian tube (auditory tube) |
| Hearing receptors are located in the _________________ . | Organ of Corti |
| Hair cells of the vestibule are stimulated by ? | bending of the head forward or backward |
| Organs of DYNAMIC EQUILIBRIUM are the ? | semicircular canals |
| In the posterior (back) wall of the eyeball, the scelera is pierced by the ? | Optic Nerve |
| Shape of the lens changes as the eye focuses on a close object in a process known as ? | ACCOMODATION |
| Part of the eye controlling the amount of light entering the eye is the ? | PUPIL |
| The inner tunic of the eye contains receptor cells of sight and is called the ? | RETINA |
| Sharpest vision region | Fovea Centralis |
| Bending of light waves as they pass at an oblique angle from medium of one optical density to a medium of another optical density is called ? | REFRACTION |
| Two types of visual receptors | Rods & Cones |
| Rods | vision in dim light general outlines |
| Cones | color and sharp vision |
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n2biology
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