CXR & ABD RAD 1 Info Flashcards
What does body habitus determine?
The shape, position, and movement of the internal organs
Sthenic body types have _______ lungs and a _____ diaphragm
- Moderately length
- Moderately high
Asthenic body types have _______ lungs with _____ above clavicles, and may be _______ above base. With a _____ diaphragm
- Long
- Apices
- Broader
- Low
Whats the intermediate between sthenic and asthenic?
Hyposthenic
Hypersthenic body types have _______ lungs with apices _____ clavicles and a _____ diaphragm
- Short
- At or near
- High
What is the mediastinum?
Space between two pleural cavities
How many chamber are in the thoracic cavity?
3
What are the 3 separate chambers in the thoracic cavity?
- Pericardial
- Right Pleural cavity
- Left pleural cavity
What does the diaphragm separate?
The thoracic cavity and the abdominal cavity
What does the thoracic cavity contain?
The lungs and heart
What binds the thoracic cavity?
The walls of the thorax
The thoracic cavity extends from the _______ to the _______
- Superior thoracic aperture
- Inferior thoracic aperture
Whats the purpose of the respiratory system?
The exchange of gaseous substances between the air and blood
What does the respiratory consist of?
- Pharynx
- Trachea
- Bronchi
- Lungs
Where does the trachea lie?
Midline, anterior to the esophagus
How large is the diameter of the trachea?
Apprx 1/2”
What is the length of the trachea?
4 1/2”
Which aspect of the trachea is flat
Posterior
How many rings are in the trachea?
16-20
What is the trachea?
A fibrous, muscular tube with 16-20 rings in its wall for strength
What is the carina?
A hook-like process on the last cartilage
Where does the trachea divide?
At the carina
What does the trachea divide into?
Right and left primary bronchus
Where does the bronchus enter?
The lungs
How many subdivisions are there of the bronchial tree?
5
What are the subdivisions of the bronchiole tree called?
- Primary bronchi
- Secondary bronchi
- Tertiary bronchi
- Bronchioles
- Terminal bronchioles
What do terminal bronchioles communicate with?
Alveolar ducts
The ______ bronchus is shorter, wider, and more vertical than _____
- Right
- Left
What makes it easier for foreign bodies to enter the right bronchus?
Position and size
What are the lungs?
Organs of respiration
What is the superior portion of the lungs called?
Apex
Whats the inferior portion of the lungs called?
Base
Whats are the sides of the lungs called?
Costophrenic angles
What is the medial border of the lungs called?
Hilum
Which is the shorter lung?
Right
The right lung is ____ shorter and ____ than the left
- 1”
- Broader
Why is the right lung shorter than the left?
Because of the liver
Which way do the lungs more during Inspiration?
Inferiorly
Which way do the lung move during expiration?
Superiorly
How many lobes does the right lung have?
3
How many lobes does the left lung have?
2
What are the lungs enclosed in?
A double walled serous membrane sac called the pleura
What is the pleura?
A double walled serous membrane sac the encloses the lungs
What is the inner layer of the pleura?
Visceral pleura
What is the outer layer of the pleura?
Parietal pleura
What is seen in the right lung?
- Apex
- Superior lobe
- Middle Lobe
- Inferior lobe
- Horizontal fissure
- Oblique fissure
- Costophrenic angle
What is seen in the left lung?
- Apex
- Superior lobe
- Inferior lobe
- Oblique fissure
- Cardiac notch
- Costophrenic angle
