The Special Senses
Quiz yourself by thinking what should be in
each of the black spaces below before clicking
on it to display the answer.
Help!
|
|
||||
|---|---|---|---|---|---|
| __ coat the olfactory epithelium with a pigmented mucus. | olfactory glands
🗑
|
||||
| Olfactory information is first received by which part of the brain? | cerebrum
🗑
|
||||
| What happens to olfactory discrimination as we age? | the number of olfactory receptors decline
🗑
|
||||
| Some neural tissues retain stem cells and thus the capacity to divide and replace lost neurons. Which of the special senses can replace its damaged neural receptors? | olfaction
🗑
|
||||
| A normal, relaxed inhalation carries about __ of the inhaled air to the olfactory organs. | 2%
🗑
|
||||
| How would a molecule that mimics cAMP affect an olfactory receptor? | increase in sodium permeability, open chemically gated sodium channels, depolarize the olfactory receptor, and could trigger an afferent action potential
🗑
|
||||
| Gustatory receptors are located? | on the surface of the tongue
🗑
|
||||
| Destruction to your left glossopharyngeal nerves would result in? | a reduction in ability to identify sour and bitter foods
🗑
|
||||
| Stimulation of noiceptive receptors within the trigeminal nerve might produce a perception of? | peppery hot
🗑
|
||||
| An adult has approximately __ taste buds. | 4,000,000
🗑
|
||||
| Taste buds are monitored by which cranial nerve(s)? | facial nerve (VIII), vagus nerve (X), and glossopharyngeal nerve (IX)
🗑
|
||||
| A patient who experienced head trauma has lost the ability to taste spicy food. You should expect damage to cranial nerve? | V
🗑
|
||||
| What are the six primary taste sensations? | sweet, sour, salty, umami (NOTpeppery)
🗑
|
||||
| The taste sensation that is triggered by the amino acid glutamate is known as? | umami
🗑
|
||||
| The palpebrae are connected at the? | canthus
🗑
|
||||
| A structure that is located at the medial canthus glands that contribute to a gritty deposit is the? | lacrimal caruncle
🗑
|
||||
| What produces a lipid rich secretion that prevents the upper and lower eyelids from sticking together at their edges? | tarsal gland
🗑
|
||||
| In the human eye, most refraction occurs when light passes through the? | cornea
🗑
|
||||
| What are the functions of tears? | protects the eye by: keeping the eye moist and contains antibodies to fight off infection
🗑
|
||||
| What is the common term for myopia? | nearsightedness
🗑
|
||||
| A ray of light entering the eye will encounter the following structures in which order? | conjunctiva>cornea>aqueous humor>lens>vitreous body>retina
🗑
|
||||
| Pupillary muscle groups are controlled by the ANS. Parasympathetic activation causes pupillary __, and sympathetic activation causes __? | constriction, dilation
🗑
|
||||
| If your vision is 20/15, this means you can see? | objects at 20 feet that individuals with normal eyesight can see at 15 feet
🗑
|
||||
| During accomodation, the ciliary muscle __ and the suspensory ligaments become __ which, in turn, cause the lens to become __. | contracts, loose, round
🗑
|
||||
| The optic disc is a blind spot because? | there are no photoreceptors in that area
🗑
|
||||
| During accommodation, the ciliary muscle __ causeing the ciliary body to move __ and apply __ tension on the lens. | contracts, forward, less
🗑
|
||||
| Use Figure 17-1 The Sectional Anatomy of the Eye Identify the space labeled "1" |
🗑
|
||||
| Use Figure 17-1 The Sectional Anatomy of the Eye Identify the structure labeled "7" |
🗑
|
||||
| Use Figure 17-1 The Sectional Anatomy of the Eye Identify the structure labeled "12" |
🗑
|
||||
| A sudden increase of light into the eye would cause? | contraction of the sphincter pupillary muscles
🗑
|
||||
| In the light adapted state, photoreceptors are much __ sensitive to stimulation. | less
🗑
|
||||
| There are three different types of cones, each one sensitive to different light energies. These cones are designated __? | red, green, blue
🗑
|
||||
| When all three cone populations are stimulated equally, we perceive ___? | white
🗑
|
||||
| Visual pigments are derivatives of the compound __? | rhodopsin
🗑
|
||||
| A pigment synthesize from vitamin A is ___? | retinal
🗑
|
||||
| Having to adjust to a dark room after walking in from bright light is because? | rods exposed to strong light need time to regenerate rhodopsin
🗑
|
||||
| The __ ear collects sounds waves and transmits them to the __ ear, which contains auditory ossicles. | outer
🗑
|
||||
| The external acoustic meatus ends at the __? | tympanic membrane
🗑
|
||||
| The auditory ossicles connect the ___? | tympanic membrane to the oval window
🗑
|
||||
| The vibrations received by the tympanic membrane are transferred to the oval window by the __? | auditory ossicles
🗑
|
||||
| The middle ear communicates with the nasopharynx through the ___? | auditory tube or Eustachian tube
🗑
|
||||
| Gravity and linear acceleration are sensed in the __? | saccule and utricle
🗑
|
||||
| The superficial hard part of the inner ear is called the __ and contains __. | bony labyrinth, perilymph
🗑
|
||||
| The structure attached to the oval window that transmits vibrations from the tympanic membrane to the inner ear is the __? | stapes
🗑
|
||||
| What is the function of the auditory tube? | equalize air pressure on both sides of the tympanic membrane
🗑
|
||||
| An infection that damages the vestibular nerve could result in a loss of __? | equilibrium
🗑
|
||||
| The following is a list of the steps that occur in the production of an auditory sensation. What is the proper sequence for these steps? | 2, 4, 6, 1, 5, 3
🗑
|
||||
| Perception of gravity and linear acceleration depends on the force exerted by otoliths on hair cells of the __. | maculae
🗑
|
||||
| Sound waves are converted into mechanical movements by the? |
🗑
|
||||
| Use Figure 17-2 The Ear Identify the structures labeled "8" |
🗑
|
||||
| Use Figure 17-2 The Ear Which structure contains the receptors for hearing? |
🗑
|
||||
| Use Figure 17-2 The Ear Which structure is known as the vestibule? |
🗑
|
||||
| Use Figure 17-2 The Ear Identify the structure that is called the pinna or auricle. |
🗑
|
||||
| Use Figure 17-2 The Ear Identify the structures labeled "3" |
🗑
|
||||
| The olfactory organs consists of the __ and the lamina propria. | olfactory epithelium
🗑
|
||||
| The olfactory receptors are highly modified __. | sensory neurons
🗑
|
||||
| Olfactory glands secrete a thick, pigmented __ that absorbs water. | mucus
🗑
|
||||
| Taste buds on the tongue are often associated with epithelial projections called __? | lingual papillae
🗑
|
||||
| A typical gustatory cell survives for only about __ day(s) before it is replaced. | 10
🗑
|
||||
| Modified sebaceous glands located along the margin of the eyelid that secrete a lipid rich product are called __ glands. | tarsal
🗑
|
||||
| A(n) __ is an infection in one of the glands on the eyelids. | sty
🗑
|
||||
| The abnormality that develops when a lens loses its transparency is known as __. | a cataract
🗑
|
||||
| ___, or pinkeye, results from damage to or irritation of the conjunctival surface. | conjunctivitis
🗑
|
||||
| Where the eyelids join at the medial or lateral edge is called the? | canthus
🗑
|
||||
| An irregularity in curvature in the cornea or lens, called __, causes a reduction in visual acuity. | astigmatism
🗑
|
||||
| A person suffering from __ can see objects that are close, but distant objects appear blurred. | myopia
🗑
|
||||
| A person suffering from __ can see distant objects more clearly than those that are close. | hyperopia
🗑
|
||||
| A type of farsightedness that results from a loss of lens elasticity with age is __. | presoyopia
🗑
|
||||
| A young child has been diagnosed with a recessive hereditary disease that results in destruction of the geniculate nucleus. The result of this would be __. | partial loss of vision
🗑
|
||||
| Photoreceptor cells that are most useful in dim light are __. | rods
🗑
|
||||
| Photoreceptors that convey our ability to see color are __. | cones
🗑
|
||||
| Color blindness is a(n) | hereditary disease involving a lack of certain cones
🗑
|
||||
| The secretion commonly called earwax is produced by __ glands. | ceruminous
🗑
|
||||
| __ is a fluid similar to cerebrospinal fluid that fills the space between the bony labyrinth and the membranous labyrinth. | perilymph
🗑
|
||||
| __ deafness results from conditions in the outer or middle ear that block the transfer of vibrations from the enviroment to the tympanic membrane or to the oval window. | conductive
🗑
|
||||
| __ deafness occurs because of a problem in the cochlea or somewhere along the auditory pathway. | nerve
🗑
|
||||
| Abnormal jumpy eye movements that may appear after brain stem or inner ear damage are called __. | nystagmus
🗑
|
||||
| The formal term for the sense of balance and equilibrium is the __ sense. | vestibular
🗑
|
||||
| __ sensations inform is of the position of the head in space by monitoring gravity, linear acceleration and rotation. | vestibular
🗑
|
||||
| When you spin quickly, you may feel dizzy. Which component of the inner ear generates the sensations that can lead to this feeling? | semicircular canal
🗑
|
||||
| The cochlear receptors that provide our sense of hearing are ___. | hair cells
🗑
|
Review the information in the table. When you are ready to quiz yourself you can hide individual columns or the entire table. Then you can click on the empty cells to reveal the answer. Try to recall what will be displayed before clicking the empty cell.
To hide a column, click on the column name.
To hide the entire table, click on the "Hide All" button.
You may also shuffle the rows of the table by clicking on the "Shuffle" button.
Or sort by any of the columns using the down arrow next to any column heading.
If you know all the data on any row, you can temporarily remove it by tapping the trash can to the right of the row.
To hide a column, click on the column name.
To hide the entire table, click on the "Hide All" button.
You may also shuffle the rows of the table by clicking on the "Shuffle" button.
Or sort by any of the columns using the down arrow next to any column heading.
If you know all the data on any row, you can temporarily remove it by tapping the trash can to the right of the row.
Embed Code - If you would like this activity on your web page, copy the script below and paste it into your web page.
Normal Size Small Size show me how
Normal Size Small Size show me how
Created by:
jnipper
Popular Anatomy sets