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7/29/2019 Dosage and Solutions
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dosage and solutions
A physician orders Librium 50 mg IM to relax a patient suffering from alcohol withdrawal. It is available
as 100 mg per 2 ml. How many ml should be injected?
Answer
1
18 pounds infant is scheduled for surgery. The anaesthesiologist orders Thorazine 4 mg po (by mouth) 2
hours preop (before surgery) as a sedative. The adult dose is 10 mg. Thorazine is available as 10
mg/5ml. How much of the drug should be given to the child?
0.6
An IV containing Xylocaine in 1000 ml of 5% dextrose in water is to infuse at 20 ml per hour. What is the
infusion time?
Answer
50
A physician orders 0.25 mg of Levsin drops to treat a patient with irritable bowel syndrome. It is
available as 0.125 mg per ml. How many drops should be given?
30
What is the flow rate for an IV of 1000 ml of 0.45% normal saline to infuse in 12 hours? The drop factor
of the infusion set is 10 gtt/ml.
13.89
A 10% D/W solution is infusing at the rate of 30 gtt/min. The infusion set is calibrated for a drop factor
of 20 gtt/ml. How many ml of the solution will infuse in 4 hours?
360
How many ml of a 23.5% NaCl solution are needed to prepare 750 ml of a 0.9% NaCl solution?
28.72
A patient is needed to be given a 30U but the only available is a 45U. How much should the nurse give
her?
10.67
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Ratio
The peripheral nervous system (PNS) connects to the brain and spinal cord by 12 pairs of cranial nerves and 31
pairs of spinal nerves. What is the ratio of cranial nerves to the total number of nerves? (hint: Note that the
numbers are given as “pairs.”)
12:43
by pair diba
so yung 12
magiging 24
kasi 12X2
then yung 31X2 = 62
The physician orders ibuprofen (Motrin), 2400 mg daily in four divided doses. The tablet available is in strengths of
300 mg. How many tablets are needed for each dose?
2
A laboratory technician can clean 45 pipettes every hour with an automatic washer. How many can he clean in 15
minutes? (round off your answer to whole number)
11
A patient is to receive 50 mg of Demerol. Tablets available are 0.025 gm. How many tablets should the patient
take?
2
In a Blood bank, 5 Medical Technologist can bleed 50 250cc -whole blood of 35 patients in 5 hours. How many
250cc-whole blood can 9 Medical Technologist bled from 60 patients in 8 hours? (round off your answer to whole
number
247
A differential count of white blood cells counts 5 monocytes in a total of 100 leukocytes (white blood cells or
WBCs). What is the ratio of monocytes to total leukocytes?
1:20
The salary deduction of a nurse on gross pay includes payment for Social Security Service (SSS), Medicare, Pag-ibig
contribution and Tax. The deduction has a ratio of 5: 3: 1: 30 respectively. If the gross wages for one year are
P485,600.00 and received a net pay of P296,216.00 after deductions, what is the amount deducted for SSS,
Medicare, Pag-ibig contribution and Tax? ( answers should be written in order: SSS, Medicare, Pag-ibig, Tax)
24,280; 14,568; 4,856; 145,680
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MATH ASS p.44,47,50,52,53,55,57
MEASURE
1.)The nurse instilled 3 minims of Lacrisert into the patient’s right eye, three times per day. The nurse knew that 3
minims are equal to __ ____drop(
answer: 3 drops
2.)A patient is restricted to four 8-ounce glasses of water per day. The nurse knows that the patient’s fluid intake is
restricted to _________ milliliters per day.
answer:960
3.)A patient drinks 1 ½ quarts of water, 3 cups of coffee, 12 tablespoons of broth, ¾ pint of milk, and 12 ounces of
juice. What is his total intake in liters?
answer:3.17
4.)To stain a blood slide, a Medical Technologist uses 10 gtt of Wright’s stain, 10 gtt of buffer solution, and 40 gtt
of distilled water.
a. If she stains 17 blood smear slides, how many teaspoons of stain, buffer solution, and distilled water does she
use (total volume)?
answer:13.60
5.)To stain a blood slide, a Medical Technologist uses 10 gtt of Wright’s stain, 10 gtt of buffer solution, and 40 gtt
of distilled water.
a. If she stains 9 blood smears slides, how many ml of stain, buffer solution, and distilled water does she use (total
volume)?(one answer)
answer:36
6.)The nurse administered aspirin grv. She knew this was equivalent to _________milligram(s)
answer:325
7.)A home health aide is preparing a warm-water bottle for his patient. The order states the temperature should
be 46.10C. The only thermometer in the home has a Fahrenheit scale. What 0F temperature should he use?
answer:114.98