Chest Flashcards
(58 cards)
Thoracic cavity extends from the ____ to the _____
Superior thoracic aperture; inferior thoracic aperture
____ separates the thoracic cavity from the abdominal cavity
Diaphragm
Organs contained in the thoracic cavity
Cardiovascular, respiratory, lymphatic organs, esophagus, thymus gland
Three separate chambers of the thoracic cavity
Pericardial, right and left pleural cavities
___ separates pleural cavities
Mediastinum
Respiratory system consists of
Pharynx, trachea, bronchi, two lungs
Characteristics of trachea
Fibrous, muscular tube with 16-20 C-shaped cartilaginous rings in its walls for strength
Carina
A hooklike process on the last cartilage of the trachea
Right primary bronchus is ___ when compared to the left
Shorter, wider, and more vertical
Position and size make it easier for foreign bodies to enter the ___ bronchus
right
Subdivisions of the bronchial tree
Primary bronchi, secondary bronchi, bronchioles, terminal bronchioles
Terminal bronchioles communicate with the
Alveolar ducts
Alveolar ducts end in
Alveolar sacs
Walls of alveolar sacs are lined with
Alveoli
Function of the alveoli
Exchange oxygen and carbon dioxide by diffusion
Superior portion of the lungs
Apex, reaches above clavicles
Inferior portion of the lungs
Base, rests obliquely on diaphragm
Medial border of the lungs
Hilum
Sides of the lungs
Costophrenic angles
Lungs move ___ during inspiration and ___ during expiration
Inferiorly; superiorly
Pleura
Double-walled serous membrane sac that encloses the lungs
Right lung has ___ lobes
Three
Left lung has ___ lobes
Two
Anatomy of the neck anterior portion
Thyroid, parathyroid glands, submandibular glands