Chapter 14 Flashcards
1
Q
what is the most complex organ in the body?
A
eye
2
Q
what does the eye do?
A
detects light, perceives color, provides vision, and sends electrical impulses along the optic nerve to the visual receptor center of the brain
3
Q
cardinal fields of gaze
A
detects muscle defects that cause misalignment or uncoordinated eye movements
4
Q
what is the one reason elderly lose vision?
A
glaucoma
5
Q
number one reason elderly lose hearing?
A
earwax
6
Q
what changes in the er occur in older adults
A
cartilage and skin around external ear may be less pliable
- stuff hairs in ear canal may cause difficulty in visualizing inner ear
- ears may seem more prominent
- hearing loss
7
Q
what is otosclerosis
A
bones in ear dont move the way they should
8
Q
what is presbycusis
A
older adult hearing loss