C H A P T E R
7
INTRAVENOUS
THERAPY
1 4 8
Q U E S T I O N S
1 4 9
QUESTIONS
1.
A patient is admitted with dehydration and sepsis. The doctor orders an
infusion of dextrose 5% in water at 125 ml/hr. The drip factor is 15 gtt/
ml. What is the correct flow rate?
A.
B.
C.
D.
2.
A patient is to receive 20 mEq of potassium chloride in 100 ml of normal
saline solution over 30 minutes for hypokalemia. The macrodrip administration set has a drip factor of 20 gtt/ml. What is the correct flow rate?
A.
B.
C.
D.
3.
13 gtt/min
15 gtt/min
26 gtt/min
100 gtt/min
A fluid challenge is ordered for a patient in hypovolemic shock. He needs
500 ml of normal saline solution over 2 hours. What is the infusion rate?
A.
B.
C.
D.
5.
20 gtt/min
67 gtt/min
72 gtt/min
200 gtt/min
A doctor’s order for a patient with sepsis reads, “Infuse doxycycline hyclate (Doryx) 100 mg I.V. piggyback over 2 hours.” The pharmacy has
mixed it in 100 ml of normal saline solution. What is the correct flow
rate when the drip factor is 15 gtt/ml?
A.
B.
C.
D.
4.
15 gtt/min
20 gtt/min
31 gtt/min
125 gtt/min
150 ml/hr
175 ml/hr
250 ml/hr
500 ml/hr
A doctor orders 2 g of ceftazidime (Ceptaz) in 100 ml of dextrose 5% in
water to be infused over 30 minutes for a patient with pneumonia. What
is the infusion rate?
A.
B.
C.
D.
100 ml/hr
150 ml/hr
200 ml/hr
225 ml/hr
1 5 0
I N T R AV E N O U S
T H E R A P Y
Use the information in the following situation to answer questions 6 and 7:
A patient receives 1,000 ml of dextrose 5% in half-normal saline solution over 8
hours postoperatively after a cholecystectomy. Microdrip tubing with a drip factor of 60 mcgtt/ml is used to infuse the postoperative I.V. fluid.
6.
What is the infusion rate for this hypertonic solution?
A.
B.
C.
D.
7.
What is the correct flow rate?
A.
B.
C.
D.
8.
10 hr
12 hr
18 hr
24 hr
A postpartum patient is dehydrated and requires 0.5 L of dextrose 5% in
water to infuse at 50 ml/hr. If the solution is hung at 1:00 p.m., what time
will the infusion be completed?
A.
B.
C.
D.
10.
62 mcgtt/min
83 mcgtt/min
125 mcgtt/min
250 mcgtt/min
At 6:00 a.m., a patient receives a preoperative infusion of 1,000 ml of
dextrose 5% in half-normal saline solution at 125 ml/hr, followed by
1,000 ml of dextrose 5% in water at 100 ml/hr. What is the total infusion
time?
A.
B.
C.
D.
9.
83 ml/hr
125 ml/hr
150 ml/hr
200 ml/hr
1:00 p.m.
6:00 p.m.
9:00 p.m.
11:00 p.m.
A doctor orders 250 ml of normal saline solution to infuse at 60 gtt/min
for a patient with chronic obstructive pulmonary disease. The macrodrip
tubing has a drip factor of 20 gtt/ml. What is the infusion time?
A.
B.
C.
D.
1 hr, 23 min
1 hr, 50 min
2 hr, 15 min
4 hr, 16 min
Q U E S T I O N S
11.
An I.V. infusion containing 4 g of magnesium sulfate in 250 ml of dextrose 5% is running at 12.5 gtt/min for a patient with preeclampsia.
Macrodrip tubing with a drip factor of 15 gtt/ml is being used. How long
will this I.V. medication take to infuse?
A.
B.
C.
D.
12.
4 hr
5 hr
6 hr
8 hr
A doctor orders 500 ml of 10% dextran 40 to infuse over 12⁄ hour for a
trauma patient with hypovolemia. How many milliliters will the patient
receive each minute?
A.
B.
C.
D.
14.
3 hr
4 hr
5 hr
6 hr
A doctor’s order reads, “Infuse 40 mEq of potassium chloride in 150 ml
of dextrose 5% in water at 25 ml/hr” for an elderly patient with hypokalemia. How long will the infusion take?
A.
B.
C.
D.
13.
1 5 1
16.67 ml/min
17.89 ml/min
18.65 ml/min
20.05 ml/min
A postoperative patient receives 250 ml of dextrose 5% in lactated
Ringer’s solution at 125 ml/hour, followed by an infusion of 1,000 ml of
dextrose 5% in normal saline solution at 75 ml/hr. The first infusion
started at 8:00 a.m. What time will both infusions be completed?
A.
B.
C.
D.
8:00 p.m.
9:42 p.m.
10:30 p.m.
11:18 p.m.
Use the information from the following situation to answer questions 15 and 16:
A doctor orders an I.V. of 1,000 ml of dextrose 5% in half-normal saline solution
to infuse over 10 hours for a patient with multiple sclerosis. The solution will be
infused through a tubing with a drip factor of 20 gtt/ml.
15.
What is the infusion rate?
A.
B.
C.
D.
10 ml/hr
50 ml/hr
75 ml/hr
100 ml/hr
1 5 2
16.
104 ml
168 ml
198 ml
225 ml
A doctor has ordered 2 g of ceftriaxone sodium (Rocephin) in 100 ml of
normal saline solution to infuse over 1 hour for a patient with peritonitis. If the macrodrip infusion set used has a drip factor of 20 gtt/ml, how
many drops per minute will the patient receive?
A.
B.
C.
D.
20.
15 ml/hr
30 ml/hr
50 ml/hr
100 ml/hr
At 6 p.m., a patient with asthma started receiving a solution containing
250 mg of aminophylline in 250 ml of dextrose 5% in water to infuse
over 24 hours. If it is now 11:00 p.m., how many milliliters should remain in the bag?
A.
B.
C.
D.
19.
24 gtt/min
33 gtt/min
38 gtt/min
100 gtt/min
A doctor orders 1.5 g of cefazolin sodium (Ancef) for a patient with endocarditis. The medication is mixed in 50 ml of normal saline solution
and is to infuse over 30 minutes. What is the infusion rate?
A.
B.
C.
D.
18.
T H E R A P Y
What is the flow rate for the I.V. fluid?
A.
B.
C.
D.
17.
I N T R AV E N O U S
33 gtt/min
50 gtt/min
60 gtt/min
83 gtt/min
A doctor’s order reads, “Give test dose of amphotericin B — 1 mg in
20 ml of dextrose 5% in water over 20 minutes” for a septic patient. How
many milliliters per hour should the infusion pump be set to deliver?
A.
B.
C.
D.
20 ml/hr
45 ml/hr
52 ml/hr
60 ml/hr
Q U E S T I O N S
21.
A doctor has ordered 500 ml of normal saline with 20 mEq of potassium
chloride to infuse over 4 hours for a patient with hypokalemia and cardiomyopathy. The infusion is to run on an I.V. pump with a drip factor
of 10 gtt/ml. What should the flow rate be?
A.
B.
C.
D.
22.
25 gtt/min
30 gtt/min
65 gtt/min
75 gtt/min
A patient with a myocardial infarction is receiving a lidocaine drip containing 1 g/250 ml of dextrose 5% in water. If the drip factor is 15 gtt/ml,
what should the infusion rate be to deliver 2 mg/min?
A.
B.
C.
D.
25.
23 gtt/min and 12 gtt/min
26 gtt/min and 21 gtt/min
31 gtt/min and 21 gtt/min
54 gtt/min and 42 gtt/min
A patient with meningitis is admitted from the emergency department
with an I.V. line of normal saline solution. It has been infusing at 150 ml/
hr for 2 hours. The administration set delivers 10 gtt/ml. How many
drops per minute has the patient been receiving?
A.
B.
C.
D.
24.
8.3 gtt/min
21 gtt/min
64 gtt/min
83 gtt/min
A postoperative patient with bacteremia has an order for 1,000 ml of
dextrose 5% in normal saline over 8 hours, followed by 1,000 ml of dextrose 5% in half-normal saline over 12 hours. The tubing drip factor is
15 gtt/ml. What is the correct flow rate for each of these infusions?
A.
B.
C.
D.
23.
1 5 3
30 ml/hr
45 ml/hr
50 ml/hr
60 ml/hr
A doctor orders an I.V. of 250 ml of dextrose 5% in half-normal saline to
infuse over 4 hours for a patient with Lyme disease. What will the flow
rate be if the drip factor is 10 gtt/ml?
A.
B.
C.
D.
10 gtt/min
14 gtt/min
15 gtt/min
21 gtt/min
1 5 4
26.
18 gtt/min
21 gtt/min
28 gtt/min
33 gtt/min
A patient with cirrhosis is receiving an I.V. infusion of dextrose 5% in
normal saline solution at 75 ml/hr. The 500-ml bag was started at 3:00
p.m. What time will it be finished?
A.
B.
C.
D.
28.
T H E R A P Y
A postoperative mastectomy patient is to receive 500 ml of dextrose 10%
in half-normal saline with 20 mEq potassium chloride over the next 8
hours. What will the flow rate be if the drip factor is 20 gtt/ml?
A.
B.
C.
D.
27.
I N T R AV E N O U S
8:00 p.m.
8:35 p.m.
9:40 p.m.
10:05 p.m.
A doctor orders an I.V. of dextrose 10% and normal saline solution to infuse at 80 ml/hr for a patient with cancer of the prostate. If the infusion
starts at 1:00 p.m. and is discontinued at 4:30 p.m., how many milliliters
would have infused?
A.
B.
C.
D.
140 ml
230 ml
280 ml
300 ml
Use the information in the following situation to answer questions 29 and 30:
A doctor orders 250 ml of dextrose 5% in water with 40 mEq of potassium chloride (KCl) over 4 hours for a patient with hypokalemia. (KCl is supplied in a concentration of 20 mEq/10 ml.)
29.
How many milliliters of KCl have been added to this bag?
A.
B.
C.
D.
30.
10 ml
15 ml
20 ml
40 ml
What will the flow rate be for the I.V. infusion if the drip factor is
15 gtt/min?
A.
B.
C.
D.
16 gtt/min
21 gtt/min
48 gtt/min
62 gtt/min
Q U E S T I O N S
31.
A doctor orders 1 g of nafcillin sodium (Nafcil) I.V. every 6 hours for a
patient with a methicillin-sensitive Staphylococcus aureus infection. The
nurse is starting the 6:00 p.m. dose, which has been mixed in 100 ml of
normal saline solution. The medication should infuse over 30 minutes,
and the drip factor is 10 gtt/ml. What is the flow rate for this I.V. medication?
A.
B.
C.
D.
32.
9 hr, 31 min
9 hr, 50 min
10 hr, 31 min
10 hr, 50 min
Normal saline solution is infusing at a rate of 62 gtt/min in a patient who
has had a craniotomy for a brain tumor. The drip factor is 60 gtt/ml.
How much fluid will infuse in 4 hours?
A.
B.
C.
D.
35.
3 hr
5 hr
6 hr
8 hr
How long will it take for an I.V. infusion of 1,000 ml of dextrose 5% in
water, set to run at 35 gtt/min, to infuse in a patient with myocarditis, if
the drip factor is 20 gtt/ml?
A.
B.
C.
D.
34.
19 gtt/min
24 gtt/min
33 gtt/min
55 gtt/min
An infusion of lactated Ringer’s solution for a postpartum patient who
has undergone a cesarean section has 600 ml remaining. The flow rate is
20 gtt/min. If the drip factor is 10 gtt/ml, how many hours will it take to
give this infusion?
A.
B.
C.
D.
33.
1 5 5
194 ml
240 ml
248 ml
275 ml
A doctor orders an I.V. infusion of 1,500 ml of normal saline solution at
a rate of 40 gtt/min for a patient with renal failure. The drip factor is
15 gtt/ml. If this infusion begins at 10:15 a.m., at what time will it finish?
A.
B.
C.
D.
6:38 p.m.
7:37 p.m.
8:15 p.m.
9:10 p.m.
1 5 6
36.
1:10 a.m.
10:30 p.m.
11:00 a.m.
11:31 p.m.
Calculate the time at which an I.V. infusion of 500 ml of half-normal
saline solution on a patient with increased intracranial pressure will be
completed if it is running at 28 gtt/min. The infusion started at 9:00 a.m.,
and the drip factor is 20 gtt/ml.
A.
B.
C.
D.
40.
712 ml
722 ml
815.5 ml
845.8 ml
Calculate the time at which an I.V. infusion of 1,000 ml of dextrose 5%
in lactated Ringer’s solution would be completed if it is set to infuse at
35 gtt/min on a patient with chronic obstructive pulmonary disease. The
infusion was started at 2:00 p.m. and the drip factor is 20 gtt/ml.
A.
B.
C.
D.
39.
154 mcgtt/min
167 mcgtt/min
178 mcgtt/min
277 mcgtt/min
Calculate the amount of I.V. fluid remaining in a 1,000 ml bag of normal
saline solution that has been infusing at 41 gtt/min for 90 minutes on a
patient with gastritis. The drip factor is 20 gtt/ml.
A.
B.
C.
D.
38.
T H E R A P Y
A postoperative patient with a nephrectomy is to receive 500 ml of normal saline solution over 3 hours. If the microdrip tubing has a drip factor
of 60 mcgtt/ml, how many microdrops per minute should the patient receive?
A.
B.
C.
D.
37.
I N T R AV E N O U S
2:00 p.m.
2:57 p.m.
3:10 p.m.
5:55 p.m.
A patient with a cerebral aneurysm is to receive 1,000 ml of normal
saline solution. For the first 6 hours, the solution is delivered at 85 ml/hr,
then the infusion rate is reduced to 70 ml/hr. Calculate the total time it
takes to give the full volume.
A.
B.
C.
D.
7 hr
13 hr
15 hr
19 hr
Q U E S T I O N S
41.
At 4:30 a.m., an order is written to start an infusion of 1.5 L of fluid at
90 ml/hr for a patient with heart failure and dehydration. After 10 hours,
the infusion rate is decreased to 75 ml/hr. Calculate the ending time of
this I.V. bag.
A.
B.
C.
D.
42.
1,350 ml
1,480 ml
1,540 ml
1,620 ml
An I.V. of dextrose 5% in half-normal saline solution with 40 mEq potassium chloride is infusing at 40 ml/hr in a patient with Kaposi’s sarcoma.
How much fluid will the patient receive in 8 hours?
A.
B.
C.
D.
44.
12:30 p.m.
2:30 p.m.
8:00 p.m.
10:30 p.m.
A trauma patient with bilateral femur fractures is receiving fluid from
two I.V. lines. Line A is running at 65 ml/hr and Line B is running at
70 ml/hr. What volume of fluid will the patient receive over 12 hours?
A.
B.
C.
D.
43.
1 5 7
160 ml
300 ml
320 ml
460 ml
A doctor has ordered 1,500 ml of half-normal saline solution to be infused at 40 gtt/min for a patient with a cerebrovascular accident. The
drip factor is 15 gtt/ml. How long will it take to administer this fluid?
A.
B.
C.
D.
5 hr, 30 min
6 hr, 38 min
8 hr, 20 min
9 hr, 23 min
Use the information in this situation to answer questions 45 and 46:
A patient with multiple myeloma is receiving morphine by way of an infusion pump.
The order is for 100 ml of normal saline solution with 25 mg of magnesium sulfate
(MgSO4) infused at 4 mg/hour. (MgSO4 ampules stock strength is 20 mg/2 ml.)
45.
How many milliliters of MgSO4 are added to the saline?
A.
B.
C.
D.
1.25 ml
2.5 ml
3 ml
5 ml
1 5 8
46.
I N T R AV E N O U S
T H E R A P Y
What is the infusion rate for the MgSO4?
A.
B.
C.
D.
8 ml/hr
12 ml/hr
16 ml/hr
20 ml/hr
Use the information in this situation to answer questions 47 and 48:
A patient with severe pain from multiple rib fractures sustained in a motorcycle
accident is receiving meperidine hydrochloride (Demerol) by way of an infusion
pump. The order is for 500 ml of normal saline solution containing 50 mg
Demerol at 10 mg/hr. Demerol is available as 50 mg/ml.
47.
Calculate the milliliters of Demerol added to the bag.
A.
B.
C.
D.
48.
Calculate the infusion rate for the Demerol infusion.
A.
B.
C.
D.
49.
10 ml/hr
50 ml/hr
75 ml/hr
100 ml/hr
A doctor orders 1 g of vancomycin hydrochloride in 250 ml of dextrose
5% in water over 1 hour as endocarditis prophylaxis. What is the flow
rate for this medication if the macrodrip administration set delivers
15 gtt/ml?
A.
B.
C.
D.
50.
1 ml
2.5 ml
10 ml
50 ml
16 gtt/min
41.6 gtt/min
62.5 gtt/min
70 gtt/min
A patient with a myocardial infarction has a heparin infusion running
that was started at 3:00 p.m. The doctor’s order reads, “Heparin 25,000 U
in 500 ml half-normal saline solution at 900 U/hr to be discontinued at 6
a.m. for cardiac catheterization.” How many milliliters should remain in
the bag when it is discontinued at 6:00 a.m.?
A.
B.
C.
D.
150 ml
230 ml
270 ml
365 ml
Q U E S T I O N S
51.
The order for a patient with dehydration reads “1 L of dextrose 5% in
half-normal saline solution to run over 10 hours.” What should the infusion rate for this solution be?
A.
B.
C.
D.
52.
83 ml/hr
100 ml/hr
126 ml/hr
224 ml/hr
A patient with meningitis is to receive 3,000 ml of dextrose 5% in normal
saline solution over 24 hours. What should the infusion rate be for this
solution?
A.
B.
C.
D.
55.
100 ml/hr
125 ml/hr
250 ml/hr
500 ml/hr
A cholecystectomy patient is to receive 1,000 ml of lactated Ringer’s solution over 12 hours. What should the infusion rate be for this solution?
A.
B.
C.
D.
54.
75 ml/hr
100 ml/hr
125 ml/hr
150 ml/hr
The order for a patient with hypovolemia reads “500 ml of normal saline
solution to run over 2 hours.” What should the infusion rate be for this
solution?
A.
B.
C.
D.
53.
1 5 9
62 ml/hr
83 ml/hr
100 ml/hr
125 ml/hr
The order for a patient reads “250 ml hypertonic saline solution to run
over 4 hours.” What should the infusion rate be for this solution?
A.
B.
C.
D.
63 ml/hr
83 ml/hr
96 ml/hr
124 ml/hr
1 6 0
56.
2 hr
5 hr
8 hr
10 hr
A trauma patient with a fractured pelvis is to receive 3,000 ml of lactated
Ringer’s solution at 375 ml/hr. How many hours will it take to infuse this
solution?
A.
B.
C.
D.
60.
4 hr
8 hr
10 hr
16 hr
The order for a postoperative patient with a nephrectomy calls for
1,000 ml normal saline solution at 200 ml/hr. How many hours will it
take to infuse this solution?
A.
B.
C.
D.
59.
100 ml/hr
125 ml/hr
150 ml/hr
175 ml/hr
An order reads “1 L of dextrose 5% in quarter-normal saline solution at
62 ml/hr” for a patient with peritonitis. How many hours will it take to
infuse this solution?
A.
B.
C.
D.
58.
T H E R A P Y
A patient with malnutrition is to receive 1,000 ml of amino acid solution
(ProcalAmine) over 8 hours. What should the infusion rate be for this
solution?
A.
B.
C.
D.
57.
I N T R AV E N O U S
1 hr
6 hr
8 hr
18 hr
A doctor orders 500 ml of normal saline solution at 500 ml/hr as a fluid
challenge for a hypovolemic patient. How many hours will it take to infuse this solution?
A.
B.
C.
D.
1 hr
2 hr
4 hr
5 hr
Q U E S T I O N S
61.
A doctor orders 1,000 ml of half-normal saline solution at 100 ml/hr for
a patient with chronic obstructive pulmonary disease. How many hours
will it take to infuse this solution?
A.
B.
C.
D.
62.
25 gtt/min
31 gtt/min
125 gtt/min
167 gtt/min
A doctor orders 1,000 ml of lactated Ringer’s solution to infuse over 1
hour for a postoperative patient who has undergone Whipple’s procedure. The drip factor of the tubing is 10 gtt/ml. What is the correct flow
rate?
A.
B.
C.
D.
65.
8 hr
10 hr
12 hr
16 hr
A doctor orders 1,000 ml of dextrose 5% in half-normal saline solution
to infuse over 8 hours for a patient with cirrhosis. The drip factor of the
tubing is 15 gtt/ml. What is the correct flow rate?
A.
B.
C.
D.
64.
5 hr
10 hr
12 hr
15 hr
A doctor orders 2,000 ml of half-normal saline solution at 125 ml/hr for
a patient with pancreatitis. How many hours will it take to infuse this solution?
A.
B.
C.
D.
63.
1 6 1
100 gtt/min
167 gtt/min
284 gtt/min
350 gtt/min
A doctor orders 1,000 ml of dextrose 5% in half-normal saline solution
to infuse at 125 ml/hr for a patient with myocardial contusion. The drip
factor of the tubing is 20 gtt/ml. What is the correct flow rate?
A.
B.
C.
D.
42 gtt/min
50 gtt/min
100 gtt/min
125 gtt/min
1 6 2
66.
25 gtt/min
67 gtt/min
100 gtt/min
166 gtt/min
A doctor orders 90 mg of gentamicin sulfate (Garamycin) in 100 ml of
dextrose 5% in water to infuse over 1 hour for a patient with sepsis. The
drip factor of the tubing is 15 gtt/ml. What is the correct flow rate?
A.
B.
C.
D.
70.
21 gtt/min
67 gtt/min
83 gtt/min
133 gtt/min
A doctor orders 1,000 ml of dextrose 5% in quarter-normal saline solution to infuse at 100 ml/hr for a patient with renal calculi. The drip factor
of the tubing is 60 gtt/ml. What is the correct flow rate?
A.
B.
C.
D.
69.
12 gtt/min
25 gtt/min
45 gtt/min
62 gtt/min
A doctor orders 2,000 ml of lactated Ringer’s solution to infuse over 24
hours for a patient with diabetes insipidus. The drip factor of the tubing
is 15 gtt/ml. What is the correct flow rate?
A.
B.
C.
D.
68.
T H E R A P Y
A doctor orders 500 ml of normal saline solution to infuse over 2 hours
for a patient with septicemia. The drip factor of the tubing is 15 gtt/ml.
What is the correct flow rate?
A.
B.
C.
D.
67.
I N T R AV E N O U S
6 gtt/min
25 gtt/min
100 gtt/min
600 gtt/min
A doctor orders 1.5 g of ampicillin sodium/sulbactam sodium (Unasyn)
in 50 ml of normal saline solution to infuse over 30 minutes postoperatively. The drip factor of the tubing is 15 gtt/ml. What is the correct flow
rate?
A.
B.
C.
D.
12 gtt/min
25 gtt/min
30 gtt/min
50 gtt/min
Q U E S T I O N S
71.
A postoperative patient is to receive 500 mg of metronidazole (Flagyl) in
100 ml of dextrose 5% in water over 1 hour after colorectal surgery. The
drip factor of the tubing is 20 gtt/ml. What is the correct flow rate?
A.
B.
C.
D.
72.
12 gtt/min
18 gtt/min
66 gtt/min
100 gtt/min
A doctor orders 2 g of cefazolin sodium (Ancef) in 50 ml of normal saline
solution over 1 hour for a postoperative patient after lung resection. The
drip factor of the tubing is 60 gtt/ml. What is the correct flow rate?
A.
B.
C.
D.
75.
4 gtt/min
10 gtt/min
18 gtt/min
25 gtt/min
A doctor orders 400 mg of cimetidine (Tagamet) in 50 ml of normal
saline solution over 12⁄ hour for a postoperative patient after gastric
surgery. The drip factor of the tubing is 60 gtt/ml. What is the correct
flow rate?
A.
B.
C.
D.
74.
25 gtt/min
33 gtt/min
67 gtt/min
100 gtt/min
A doctor orders 600 mg of clindamycin hydrochloride (Cleocin) in
100 ml dextrose 5% in water to infuse over 60 minutes for a patient with
toxoplasmosis. The drip factor of the tubing is 15 gtt/ml. What is the correct flow rate?
A.
B.
C.
D.
73.
1 6 3
25 gtt/min
50 gtt/min
68 gtt/min
100 gtt/min
A doctor orders 1,500 mg of vancomycin hydrochloride (Vancocin) in
250 ml of dextrose 5% in water to infuse over 90 minutes for a patient
with endocarditis. The nurse is running the I.V. piggyback on pump.
What is the correct infusion rate to set on the I.V. pump?
A.
B.
C.
D.
2.7 ml/hr
6 ml/hr
100 ml/hr
167 ml/hr
1 6 4
76.
200 ml
400 ml
600 ml
800 ml
One liter of lactated Ringer’s solution was hung at 3 p.m., infusing at
125 ml/hr for a patient with hepatitis. It is now 6 p.m. How much fluid
should remain in the I.V. bag?
A.
B.
C.
D.
80.
7 mEq
10 mEq
16 mEq
25 mEq
One liter of dextrose 5% in half-normal saline solution was hung at 10
a.m., infusing at 100 ml/hr for a patient with intestinal amebiasis. It is
now 2 p.m. How much fluid should remain in the I.V. bag?
A.
B.
C.
D.
79.
40 ml/hr
54 ml/hr
62 ml/hr
80 ml/hr
A doctor orders 20 mEq of potassium chloride (KCl) in 50 ml of dextrose
5% in water to run over 3 hours for a patient with hypokalemia. How
much KCl will the patient receive each hour?
A.
B.
C.
D.
78.
T H E R A P Y
A doctor orders 40 mEq of potassium chloride in 250 ml of dextrose 5%
in water to run at 10 mEq/hr for a patient with hypokalemia. What
should the infusion rate be for this solution?
A.
B.
C.
D.
77.
I N T R AV E N O U S
375 ml
550 ml
625 ml
875 ml
An I.V. bag containing 1,000 ml of lactated Ringer’s solution was hung at
1 p.m., infusing at 125 ml/hr for a patient with Zollinger-Ellison syndrome. At what time will the I.V. bag be completely infused?
A.
B.
C.
D.
9:00 p.m.
10:45 p.m.
11:30 p.m.
12:00 a.m.
Q U E S T I O N S
81.
An order for a patient with a myocardial infarction reads “500 mcg/kg of
esmolol hydrochloride (Brevibloc) I.V.,” a loading dose to be administered over 1 minute. The pharmacy sends Brevibloc in a concentration of
5 g in 500 ml normal saline solution. The patient weighs 110 lb (50 kg).
What infusion rate should be set on the I.V. pump?
A.
B.
C.
D.
82.
14 ml/hr
18 ml/hr
25 ml/hr
28 ml/hr
A doctor orders 20 mg of lorazepam (Ativan) in 100 ml of dextrose 5%
in water to run at 3 mg/hr for a patient with anxiety. What infusion rate
should be set on the I.V. pump?
A.
B.
C.
D.
85.
10 ml/hr
84 ml/hr
100 ml/hr
200 ml/hr
A doctor’s order reads “heparin I.V. at 1,400 U/hr” for a post-coronary
artery bypass graft patient. The pharmacy sends heparin in a bag containing 25,000 U in 250 ml of dextrose 5% in water. What infusion rate
should be set on the I.V. pump?
A.
B.
C.
D.
84.
15 ml/hr
75 ml/hr
150 ml/hr
500 ml/hr
A patient with pneumonia is to receive 1 g of aminophylline in 250 ml of
dextrose 5% in water, given as a 400-mg bolus over 30 minutes by pump.
What infusion rate should be set on the I.V. pump?
A.
B.
C.
D.
83.
1 6 5
10 ml/hr
15 ml/hr
20 ml/hr
25 ml/hr
A doctor orders diltiazem hydrochloride (Cardizem) I.V. at 10 mg/hr for
a patient with angina pectoris. The pharmacy sends Cardizem in an I.V.
bag containing 125 mg in 125 ml of dextrose 5% in water. What infusion
rate should be set on the I.V. pump?
A.
B.
C.
D.
1 ml/hr
3 ml/hr
5 ml/hr
10 ml/hr
1 6 6
86.
1 g/hr
8 g/hr
25 g/hr
62 g/hr
A patient with multiple myeloma is receiving 400 mg of morphine sulfate in 100 ml of normal saline solution at 2 ml/hr. How many milligrams per hour is the patient receiving?
A.
B.
C.
D.
90.
28 mg/hr
35 mg/hr
50 mg/hr
100 mg/hr
A patient with eclampsia is receiving 8 g of magnesium sulfate in 1 L of
dextrose 5% in water at 125 ml/hr. How many grams per hour is the patient receiving?
A.
B.
C.
D.
89.
2 ml/hr
5 ml/hr
10 ml/hr
20 ml/hr
A patient with a duodenal ulcer is receiving 900 mg of cimetidine
(Tagamet) in 1 L dextrose 5% in water at 56 ml/hr. How many milligrams per hour is the patient receiving?
A.
B.
C.
D.
88.
T H E R A P Y
A diabetic patient is to receive regular insulin I.V. at 5 U/hr. The pharmacy sends regular insulin in an I.V. bag containing 50 U in 100 ml of normal saline solution. What infusion rate should be set on the I.V. pump?
A.
B.
C.
D.
87.
I N T R AV E N O U S
2 mg/hr
4 mg/hr
8 mg/hr
10 mg/hr
A patient with pulmonary embolism is receiving 25,000 U of heparin in
500 ml of dextrose 5% in water at 20 ml/hr. How many units per hour is
the patient receiving?
A.
B.
C.
D.
250 U/hr
500 U/hr
750 U/hr
1,000 U/hr
A N S W E R
S H E E T
1 6 7
ANSWER SHEET
ABCD
ABCD
ABCD
ABCD
1
❍ ❍ ❍ ❍
24
❍ ❍ ❍ ❍
47
❍ ❍ ❍ ❍
70
❍ ❍ ❍ ❍
2
❍ ❍ ❍ ❍
25
❍ ❍ ❍ ❍
48
❍ ❍ ❍ ❍
71
❍ ❍ ❍ ❍
3
❍ ❍ ❍ ❍
26
❍ ❍ ❍ ❍
49
❍ ❍ ❍ ❍
72
❍ ❍ ❍ ❍
4
❍ ❍ ❍ ❍
27
❍ ❍ ❍ ❍
50
❍ ❍ ❍ ❍
73
❍ ❍ ❍ ❍
5
❍ ❍ ❍ ❍
28
❍ ❍ ❍ ❍
51
❍ ❍ ❍ ❍
74
❍ ❍ ❍ ❍
6
❍ ❍ ❍ ❍
29
❍ ❍ ❍ ❍
52
❍ ❍ ❍ ❍
75
❍ ❍ ❍ ❍
7
❍ ❍ ❍ ❍
30
❍ ❍ ❍ ❍
53
❍ ❍ ❍ ❍
76
❍ ❍ ❍ ❍
8
❍ ❍ ❍ ❍
31
❍ ❍ ❍ ❍
54
❍ ❍ ❍ ❍
77
❍ ❍ ❍ ❍
9
❍ ❍ ❍ ❍
32
❍ ❍ ❍ ❍
55
❍ ❍ ❍ ❍
78
❍ ❍ ❍ ❍
10
❍ ❍ ❍ ❍
33
❍ ❍ ❍ ❍
56
❍ ❍ ❍ ❍
79
❍ ❍ ❍ ❍
11
❍ ❍ ❍ ❍
34
❍ ❍ ❍ ❍
57
❍ ❍ ❍ ❍
80
❍ ❍ ❍ ❍
12
❍ ❍ ❍ ❍
35
❍ ❍ ❍ ❍
58
❍ ❍ ❍ ❍
81
❍ ❍ ❍ ❍
13
❍ ❍ ❍ ❍
36
❍ ❍ ❍ ❍
59
❍ ❍ ❍ ❍
82
❍ ❍ ❍ ❍
14
❍ ❍ ❍ ❍
37
❍ ❍ ❍ ❍
60
❍ ❍ ❍ ❍
83
❍ ❍ ❍ ❍
15
❍ ❍ ❍ ❍
38
❍ ❍ ❍ ❍
61
❍ ❍ ❍ ❍
84
❍ ❍ ❍ ❍
16
❍ ❍ ❍ ❍
39
❍ ❍ ❍ ❍
62
❍ ❍ ❍ ❍
85
❍ ❍ ❍ ❍
17
❍ ❍ ❍ ❍
40
❍ ❍ ❍ ❍
63
❍ ❍ ❍ ❍
86
❍ ❍ ❍ ❍
18
❍ ❍ ❍ ❍
41
❍ ❍ ❍ ❍
64
❍ ❍ ❍ ❍
87
❍ ❍ ❍ ❍
19
❍ ❍ ❍ ❍
42
❍ ❍ ❍ ❍
65
❍ ❍ ❍ ❍
88
❍ ❍ ❍ ❍
20
❍ ❍ ❍ ❍
43
❍ ❍ ❍ ❍
66
❍ ❍ ❍ ❍
89
❍ ❍ ❍ ❍
21
❍ ❍ ❍ ❍
44
❍ ❍ ❍ ❍
67
❍ ❍ ❍ ❍
90
❍ ❍ ❍ ❍
22
❍ ❍ ❍ ❍
45
❍ ❍ ❍ ❍
68
❍ ❍ ❍ ❍
23
❍ ❍ ❍ ❍
46
❍ ❍ ❍ ❍
69
❍ ❍ ❍ ❍
1 6 7