TOPIC 6 Flashcards
1
Q
Respiratory system function
A
- supply O2 to body for energy production
- removing CO2 as waste product
- maintaining homeostasis
2
Q
NOSE
Structure
Function
Development considerations
A
- Olfactory receptors and cilia lie at roof of nasal cavity
- warm, filter and humidify inspired air
- Sphenoid sinus develops at 2-3 years old
3
Q
MOUTH
Structure
Function
Development considerations
A
- parotid, submandibular and sublingual salivary glands
- taste
- secrete saliva to moisten and breakdown food
- salivations starts at 3months
- Older adult: atrophic tissue ulcerate easily
4
Q
PHARYNX & LARYNX
Structure
Function
Development considerations
A
- extends down from base of skull to 6th cervical vertebra
- sound production
- upper opening of the trachea
- infant/child larynx located more anteriorly
- Cricoid cartilage narrowest portion in children
5
Q
NOSE subjective data
A
- discharge
- frequent upper respiratory infections
- sinus pain
- trauma
- epistaxis
- altered smell
6
Q
MOUTH & THROAT subjective data
A
- sores/lesions
- sore throat
- bleeding gums
- dysphagia
- altered taste
- smoking history
7
Q
Lungs
Size and Lobes
A
Right lung
- shorter (underlying liver)
- 3 lobes
Left lung
- narrower (heart bulge)
- 2 lobes
8
Q
Facts about pleurae
A
- visceral pleura
- negative pressure (holds lungs tightly to chest wall)
9
Q
What happens on inspiration
A
- sternum elevates
- ribs elevate
- diaphragm descends
10
Q
What happens on expiration
A
- ribs depress
- ribs depress
- viscera compress
11
Q
Lungs - Developmental considerations on the older adult
A
- decreased vital capacity
- increase residual volume
- decrease gas exchange
12
Q
Respiratory subjective data
A
- cough
- shortness of breath
- pain with breathing
- history of respiratory infections
- smoking history
13
Q
3 types of breath sounds
A
- bronchial
- bronchovesicular
- vesicular
14
Q
What is Adventitious breath sounds
A
- added sounds not normally heard in the lung
- crackles, wheeze, stridor
15
Q
Respiratory objective data
A
- note shape of chest wall
- level of consciousness
- quality of respirations