Exam (elaborations)
GMS 6402 Pulmonary Final questions and answers A+ score assured 2024/2025
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GMS 6402 Pulmonary Final questions and answers A+ score assured 2024/2025
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GMS6402
Pulmonary
Final
The
vast
majority
of
the
total
surface
area
of
the
lung
is
found
in
the:
-
trachea
-
segmental
bronchi
-
terminal
bronchi
-
alveoli
-
ANSalveoli
All
of
the
following
can
be
measured
via
spirometry
EXCEPT:
-
tidal
volume
(TV)
-
vital
capacity
(VC)
-
functional
residual
capacity
(FRC)
-
inspiratory
capacity
(IC)
-
expiratory
reserve
volume
(ERV)
-
ANSfunctional
residual
capacity
(FRC)
Which
of
the
following
is
a
muscle
that
is
used
for
expiration?
-
sternocleidomastoid
-
external
obliques
-
diaphragm
-
external
intercostals
-
scalenus
-
ANSexternal
obliques
What
is
the
Transpulmonary
pressure
(PTP)
if
pleural
pressure
is
-7
cm
H2O
and
alveolar
pressure
is
-3
cm
H2O?
-
+10
cm
H2O
-
+4
cm
H2O
-
-10
cm
H2O
-
-4
cm
H2O
-
0
cm
H2O
-
ANS+4
cm
H2O
A
lung
compliance
test
indicates
that
a
3
cm
H2O
change
in
transpulmonary
pressure
generates
a
0.9
liter
change
in
lung
volume.
What
is
this
patient's
lung
compliance?
-
0.2
liters
of
air/cm
H2O
-
0.2
cm
H2O/liter
of
air
-
3.33
cm
H2O/liter
of
air
-
0.3
liters
of
air/cm
H2O
-
2.7
liters
of
air/cm
H2O
-
ANS0.3
liters
of
air/cm
H2O
Airway
resistance
across
a
set
of
airways
is
lowest
under
which
of
the
following
conditions?
-
airway
radius
is
large
and
the
length
of
the
tube
is
large
-
airway
radius
is
large
and
the
length
of
the
tube
is
small
-
airway
radius
is
small
and
airways
are
in
series.
-
airway
radius
is
small
and
airways
are
in
parallel.
-
airway
radius
is
large
and
gas
viscosity
is
increased
-
ANSairway
radius
is
large
and
the
length
of
the
tube
is
small As
the
lungs
fill
with
air
and
we
move
from
a
low
lung
volume
to
higher
lung
volumes,
airway
resistance
will
-
increase
linearly
-
decrease
exponentially
-
increase
exponentially
-
decrease
linearly
-
all
of
the
above
-
ANSdecrease
exponentially
A
patient
performs
an
expiratory
forced
vital
capacity
maneuver.
His
FVC
is
2
liters
and
his
FEV1
is
1
liter.
Based
on
your
knowledge
of
these
numbers
you
would
predict
that
this
person
suffers
from
-
a
restrictive
lung
disease
-
pulmonary
fibrosis
-
an
obstructive
lung
disease
-
all
of
the
above
-
this
patient
is
normal
-
ANSan
obstructive
lung
disease
When
at
sea
level
and
breathing
room
air,
the
partial
pressure
of
O2
in
inspired
air
is
-
760
mm
Hg
-
40
mm
Hg
-
100
mm
Hg
-
160
mm
Hg
-
150
mm
Hg
-
ANS150
mm
Hg
A
patient
begins
to
hyperventilate
while
sitting
in
a
clinic
on
Miami
Beach
and
breathing
room
air.
Over
the
ensuing
1
minute,
his
PACO2
drops
to
20
mm
Hg.
What
is
his
PaO2
at
that
moment
in
time?
-
150
mm
Hg
-
125
mm
Hg
-
100
mm
Hg
-
75
mm
Hg
-
50
mm
Hg
-
ANS125
mm
Hg
With
respect
to
the
path
of
O2
diffusion,
the
proper
order
for
the
movement
of
oxygen
across
the
pulmonary
capillary
membrane
is
-
alveolar
epithelium,
interstitial
space,
blood,
capillary
basement
membrane
-
interstitial
space,
alveolar
epithelium,
capillary
basement
membrane,
blood
-
alveolar
epithelium,
blood,
interstitial
space,
capillary
basement
membrane
-
alveolar
epithelium,
interstitial
space,
capillary
basement
membrane,
blood
-
alveolar
epithelium,
capillary
basement
membrane,
blood,
interstitial
space
-
ANSalveolar
epithelium,
interstitial
space,
capillary
basement
membrane,
blood
When
a
gas
in
the
blood
such
as
oxygen
fails
to
reach
diffusion
equilibrium
with
the
alveolar
air
as
it
leaves
the
pulmonary
capillary
bed
is
said
to
be
-
perfusion
limited
-
normoxic
-
diffusion
limited
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