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CCHT PRACTICE EXAM Questions & Answers 2023 ( A+ GRADED 100% VERIFIED)
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CCHT PRACTICE EXAM Questions & Answers 2023 ( A+ GRADED 100% VERIFIED)
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C C H TP R A C T I C E
E X A M
True
or
False:
Peritoneal
dialysis
(PD)
differs
from
hemodialysis
in
that
PD
access
is
by
an
intra-abdominal
catheter
-
ANS
TRUE
The
term
:sieving
coefficient
of
a
membrane"
refers
to
the:
a.
fraction
of
solute
that
passes
through
the
membrane
by
convection
b.
amount
of
water
required
for
solute
drag
through
the
membrane
c.
concentration
of
pores
in
the
membrane
d.
seize
of
the
pores
in
the
membrane
-
ANS
a.
fraction
of
solute
that
passes
through
the
membrane
by
convection
Water
moves
from
one
body
compartment
to
another
by:
a.
ultrafiltration
b.
active
transport
c.
osmotic
forces
d.
all
of
the
above
-
ANS
c.
osmotic
forces
Which
of
the
following
will
set
off
the
prepump
high-pressure
alarm?
a.
an
increase
in
the
blood
pump
speed
b.
kinking
of
the
arterial
bloodline
c.
a
decrease
in
the
blood
pump
speed
d.
infiltration
of
the
arterial
needle
-
ANS
c.
a
decrease
in
the
blood
pump
speed
A
low-pressure
alarm
in
the
venous
(postdialyzer)
line
is
likely
to
be
set
off
by:
a.
a
blockage
in
the
blood
tubing
between
the
monitoring
site
and
the
venous
needle
b.
an
infiltration
of
the
venous
needle
c.
a
clot
in
the
venous
access
d.
a
blockage
in
the
blood
tubing
before
the
monitoring
site
-
ANS
d.
a
blockage
in
the
blood
tubing
before
the
monitoring
site Which
of
the
following
statements
about
an
air
detector
is
correct?
a.
it
is
present
in
the
predialyzer
blood
tubing
b.
it
uses
an
ultrasonic
device
to
detect
air
in
the
blood
path
c.
it
sets
off
an
alarm
and
clamps
the
predialyzer
blood
tubing
d.
all
of
the
above
statements
are
correct
-
ANS
b.
it
uses
an
ultrasonic
device
to
detect
air
in
the
blood
path
How
is
the
anticoagulant
heparin
given
during
the
dialysis
treatment?
a.
intermittently
b.
as
a
single
bolus
c.
by
continuous
infusion
d.
by
all
of
the
above
ways
-
ANS
d.
by
all
of
the
fabove
ways
The
main
difference
between
an
arteriovenous
shunt
(AVS)
and
an
arteriovenous
fistula
(AVF)
is...
-
ANS
AVF
is
entirely
within
the
arm
Biocompatibility
is
best
illustrated
by:
a.
synthetic
membranes
that
do
not
absorb
blood
proteins
as
well
as
cellulose
membranes
b.
independence
from
protein
adsorption
of
the
membrane
c.
reprocessed
dialyzers
that
have
a
lower
biocompatibility
than
new
ones
d.
reprocessed
dialyzers
that
have
a
better
biocompatibility
than
new
ones
-
ANS
d.
reprocessed
dialyzers
that
have
a
better
biocompatibility
than
new
ones
The
amount
of
fluid
to
be
taken
from
the
patient
during
hemodialysis:
a.
is
independent
of
the
filtration
pressure
b.
requires
the
dialysate
to
have
a
higher
pressure
than
the
blood
c.
may
be
calculated
by
subtracting
the
patient's
estimated
dry
weight
from
the
predialysis
weight
and
adding
any
fluid
the
patient
receives
during
treatment
d.
may
be
calculated
by
adding
the
patient's
predialysis
weight
and
the
amount
of
fluid
the
patient
receives
during
treatment
-
ANS
c.
may
be
calculated
by
subtracting
the
patient's
estimated
dry
weight
from
the
predialysis
weight
and
adding
any
fluid
the
patient
receives
during
treatment
The
ultra
filtration
coefficient
of
a
dialyzer
refers
to
the:
a.
fluid
that
passes
through
the
membrane
in
1
hour
b.
pressure
in
the
blood
compartment
needed
to
force
fluid
through
the
membrane
c.
pressure
difference
across
the
membrane
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