Anatomy
Which ribs are false ribs that have cartilaginous attachments to the above ribs; they glide at CV joints, increase lateral/transverse planes of movement
8-10
What are the (3) anatomical structures of the lower RT?
1. Trachea
2. Primary bronchi
3. Lungs
What are chemical receptors and where are they located?
Help to elicit a cough reflex (baroreceptors with pressure build up); lower RT
Which week in utero does respiratory bronchioles (17-19th generation) develop?
19th week
Which muscle is most important for inspiration?
EXTERNAL INTERCOSTALS ***
Which ribs are true ribs that attach directly to sternum via costal cartilage; they rotate at costovertebral joints; increase anterior/superior planes of movement
1-7
Which part of the respiratory tract conducts air to the aveolar system to maintain support for airway system (bronchial tree of cartilage); produces and mobilize mucous; elicit a cough reflex?
Lower RT fxn
Where does gas exchange occur in the respiratory tract?
LOWER RESPIRATORY TRACT AT THE LEVEL OF THE ALVEOLI ***
The left bronchopulmonary segment has a 25 degree curvature before entering the lung. However, the right bronchopulmonary segment that is a straight shot into the lung, leading to a higher risk of what (2) things?
1. Obstruction
2. Aspiration ***
ALVEOLI ARE ____ GENERATION AND THE POINT AT WHICH GAS EXCHANGE OCCURS
23rd
Which of the ribs are floating ribs that attach posteriorly
11-12
What are the (3) anatomical structures of the upper RT?
1. Nasal cavity
2. Pharynx
3. Larynx (voice box)
What does cilia do and where is it located?
Move mucous; lower RT
The alveolar sacs are 23rd generation and form after birth; alveoli increase in number and in size thorough the age of ____.
7 yo
The left lung has how many segments?
8-9 because of the heart
All ribs attach to the ______ vertebrae at costovertebral and costotransverse joints
thoracic
This part of the respiratory tract filters, cleanses, warms, and humidifies the air
Upper RT fxn
The acinus structures are all distal to terminal bronchioli are involve respiratory bronchioles which are ______ generation and the ALVEOLI which are ________ generation (GAS EXCHANGE OCCURS HERE) ****
1. 17-19th generation
2. 23rd generation *****
The right lung has how many segments?
10
Which sections of the left lobe fuse because of the heart being in the way?
1. LL = anteromedial base fuses once born
2. UL = apicoposterior MAY fuse depending on anatomy; less common
What do mast cells do and where are they located?
Provide mucous; lower RT
The terminal bronchioles are ________ generation and their function is to conduct air to respiratory bronchioles but no gas exchange
5-16th generation
The alveolar ducts are 20-22nd generation and develop in ___ week in utero?
28th week
Diaphragm
What is the normal air capacity of our lungs?
Male:
Female:
Male: 5.6 - 6 L
Female: 4 - 5.2 L