Ch.8 Flashcards Preview

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Flashcards in Ch.8 Deck (19)
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1
Q

Where are the majority of all sensory receptors located what is the percentage

A

Eye 70%

2
Q

Modified sebaceous glands produce an oil secretion to lubricate the eyes

A

Meibomian gland

3
Q

Membrane that lines the eyelids connects to the surface of the eye secretes mucus to lube the eye. Where is it located

A

Conjunctiva .lines the eyelids and covers the sclera

4
Q

What are the two photo receptors found within the retina

A

Ross

Cones

5
Q

What is the main function of rods

A

Allows dim light vision and peripheral vision

6
Q

What is the main function for cones

A

Allowed for detailed color vision

7
Q

Allows for light to pass through

A

Cornea

8
Q

Bicker double curved crystal like structure

A

Lens

9
Q

Watery fluid in chamber between the lens and cornea helps contain into ocular pressure

A

Aqueous humor

10
Q

Gel like susbstance behind the lens keeps the eyes from collapsing last a life time and it’s not replaced

A

Vitreous humor

11
Q

Modified glands

A

Ciliary body

12
Q

What are the four parts of the lacrimal apparatus

A

Lacrimal gland
Lacrimal canals
Lacrimal sac
Nasal rhombus duct

13
Q

Produces lacrimal fluid

A

Lacrimal gland

14
Q

Drains lacrimal fluid from the eyes

A

Lacrimal canal

15
Q

Provides passage of lacrimal fluid towards nasal canal

A

Lacrimal sac

16
Q

Empties lacrimal fluid into the nasal cavity

A

Nasalchromial canal

17
Q

Why does you’re nose run on a hard cry

A

Not all the water can come out your eyes so it runs down the masa chromium duct into you’re nose out the nose

18
Q

What is the order in which light passes throug

A

Cornea
Aqueous humor
Lens
Vitreous humor

19
Q

What are the 5 special sense

A
Smell
Taste
Sight
Hearing 
Equilibrium