Respiration Anatomy Quiz Flashcards
T/F In the thoracic expansion for inspiration, specifically the pleural cavity, the pressure within there is a negative pressure in order to hold the lungs within the ribcage.
True
T/F As you inhale the diaphragm lowers
True
What is the Carina
the part where the trachea divides into right and left sides
What structures are in the bony thorax?
vertebral column, sternum, pectoral girdle , pelvic girdle and ribs
What are the two muscles of the neck?
Sternocleidomastoid and Scalenes
What is posterior to the trachea?
The esophogus
During quiet inspiration, what is the only muscle used?
the diapragm
Which pleural lining encases the lungs? (parietal pleurae, visceral pleurae, pleural cavity)
visceral pleurae
What does the mediastinum house?
the heart
What do the intercostals do to the ribs?
they elevate the ribs
What is the central tendon?
a large, leafy aponeurosis that makes up the middle area of the diaphragm helps expand the chest cavity during breathing
Where are the vocal folds located?
in the larynx
What are the three components of the sternum?
manibrium sterni, corpus, and the xiphoid process
T/F aspiration is when food or liquid enters the lungs
True
What is the group of muscles that promote inspriation through elevation and expansion of the ribcage.
accessory muscles of inspriation
T/F The pressure between the lungs and thorax is always positive?
False: it is always negative
T/F the anterior thoracic muslces of inspiration are the external intercostals and the interchondral portion of the intercal intercostal.
true
What is the visceral thorax?
the internal organs inside the thoracic cavity
What is the large, wing-like bone found in the pelvic girdle?
ilium
Why are the true ribs called true ribs?
because they are attached to the sternum
What does the diaphagm do during inspiration?
contracts and lowers
T/F The levatores costarum and serratus muscles are part of the anterior thoracic muscles.
false the levatores costarum and serratus muscles are part of the posterior thoracic muscles
When the abdominal muscles contract what happens to the volume of the thoracic cavity?
it decreases
