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HAS midterms
thorax lungs
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Cards (20)
during inhalation the
diaphragm
presses the
abdominal organs
downward and
forward
during
exhalation
the diaphragm rises and recoils to the
resting
position
Trachea
divides into the right and left mainstem
bronchi
and continues to divide into
smaller
passages
Bronchioles
terminate into the
alveolar
ducts and
alveoli
Alveoli
is the gas exchanging units in the lungs
Larynx
o
warms
,
filter
and
humidify
o helps to
make sound
o sends air to
lower airways
external respiration
▪ the exchange of gases (oxygen and carbon dioxide) between the alveoli and
the blood through the alveolar-capillary membrane
internal
▪ the
exchange
of
gases
between the
systemic capillaries
and the
tissue
at the
cellular level
cellular
▪ exchange of gases within the cell
the right lung has
three
lobes, and the left has
two
these lobes are divided by
fissures
Normal
/
Eupnea
o normal breathing pattern
Tachypnea
o may be a
normal
response to fever, anxiety, or exercise
Bradypnea
o may be normal in well –
conditioned athletes
Hyperventilation
o usually occurs with
extreme exercise
,
fear
, or
anxiety
Kussmaul
o a type of hyperventilation associated with diabetic ketoacidosis
Hypoventilation
o Usually associated with overdose of narcotics or anesthetics
Cheyne-Stokes
Respiration
o May result from severe congestive heart failure, drug overdose
Biot’s Respiration
o May be seen with
meningitis
or severe
brain damage
Ataxic
o A more extreme expression of Biot’s respirations indicating respiratory compromise
Air Trapping
o In chronic obstructive pulmonary disease, air is trapped in the lungs during forced
expiration