Dosage Calculations Assignment Quiz (A+ GRADED 100%VERIFIED)
A client who had a small bowel resection two weeks ago is receiving 3/4 strength Ensure feedings 275 ml every 4 hours via nasogastric tube. Full strength Ensure is available in a 240 ml can. The nurse should use how many ml of Ensure to ...
Dosage Calculations Assignment Quiz
A
client
who
had
a
small
bowel
resection
two
weeks
ago
is
receiving
3/4
strength
Ensure
feedings
275
ml
every
4
hours
via
nasogastric
tube.
Full
strength
Ensure
is
available
in
a
240
ml
can.
The
nurse
should
use
how
many
ml
of
Ensure
to
prepare
the
feeding?
(Enter
numeric
value
only.
Round
to
nearest
whole
number
if
needed.)
-
ANS
Using
the
formula
Desired
%
/
on
Hand
%
x
Volume
Desired
=
75/100 x 275 = 0.75 x 275 = 206 Ensure
206 ml Ensure + 69 ml water = 275 ml (75% solution)
A
client
admitted
to
the
unit
from
the
emergency
room
receives
a
prescription
for
an
IV
infusion
of
0.9%
sodium
chloride
1,000
ml
at
750
ml/4
hours.
The
IV
administration
set
delivers
60
gtts/ml.
The
nurse
should
regulate
the
infusion
to
deliver
how
many
gtts/minute?
(Enter
numeric
value
only.
If
rounding
is
required,
round
to
the
nearest
whole
number .)
-
ANS
First
convert
hours
to
minutes:
4
hours
x
60
=
240
minutesUsing
formula
Volume/T ime
x
gtt
factor:
750
ml/240
min
= 3.125 x 60gtts = 187.5 (rounding to) 188 gtts/minute
The
nurse
is
preparing
a
tube
feeding
of
Ensure
280
ml
(50%
solution).
Full
strength
Ensure
is
available
in
a
240
ml
can.
The
nurse
should
use
how
many
ml
of
Ensure
to
prepare
the
feeding?
(Enter
numeric
value
for
only.
If
rounding
is
required,
round
to
nearest
whole
number .)
-
ANS
Using
the
formula
D/H
(Desired
% / % on Hand) x T otal volume desired: 50/100
x
280ml
=
0.5
x
280
ml
=
140
ml
Ensure
+
140
ml
water
=
280
ml
(50%
solution)
A
client
scheduled
for
a
stress
echocardiogram
is
to
receive
an
IV
infusion
of
Dextrose
5%
in
Water
(D5W)
with
dobutamine
(Dobutrex)
0.5
grams/250
ml
at
a
rate
of
1,200
mcg/minute.
The
nurse
should
program
the
infusion
pump
to
deliver
how
many
ml/hour?
(Enter
numeric
value
only.
If
rounding
is
required,
round
to
the
nearest
whole
number .)
-
ANS
First
calculate
the
number
of
mcg/hour:
1,200
x
60
minutes
=
72,000
mcg/hourNext
calculate
the
number
of
ml/hour
needed
to
administer
72,000
mcg/hour500,000
mcg
:
250
ml
::
72,000
mcg
:
X500,000
/
72,000
:: 250 / X500,000X = 18,000,000X = 36 ml/hour
A
client
experiencing
ventricular
tachycardia
receives
a
prescription
a
continuous
infusion
of
dextrose
5%
in
water
(D5W)
1000
ml
with
lidocaine
(Xylocaine)
2
grams
at
a
rate
of
4
mg
per
minute.
The
nurse
should
program
the
infusion
pump
to
deliver
how
many
ml/hour?
(Enter
numeric
value
only.
If
rounding
is
required,
round
to
the
nearest
whole
number .)
-
ANS
First
convert
solution
gram/ml
to
milligrams/ml:
2
gm/1000
ml
=
2000
mg/1000
ml
=
2
mg/mlNext
calculate
the
number
of
mg/hour
for
the
dose:
4
mg
X
60
minutes
=
240
mg/hourNext
calculate
the
number
of
ml/hour
needed
to
administer
240
mg/hour:
2000
mg:
1000
ml
::
240
mg : X ml2000/240 = 1000/XX = 120 ml/hour
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