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#### Pharmacology Clear And Simple A Guide to Drug 2nd Edition By Watkins – Test Bank

**Chapter 6. Basic Review of Mathematics**

**Problem**

- The nurse is caring for a client on peritoneal dialysis. During a dialysis session, 2,000 mL of dialysate solution was infused and 1850 mL returned. The client consumed 1 cup of coffee, 120 mL of apple juice, and 1 bowl of oatmeal without milk. Calculate the client’s intake in mL.

- While caring for a client on a 1,700-calorie diet restriction, the nurse notes the client has consumed 415 calories for breakfast. If 300 calories are allotted for beverages and snacks, how many calories remain for the client’s meals?

- The nurse is caring for a client who takes lisinopril (Zestril) 10 mg tid. Discharge orders include a prescription for a 30-day supply. How many pills will be in the bottle when the prescription is filled?

- A young girl is started on 5 mg of paroxetine (Paxil) daily. The pharmacy provides 10-mg tablets. How much will the nurse provide?

- The nurse is providing ondansetron (Zofran) 4 mg as an intravenous injection. The pharmacy provides ondansetron in 8 mg/2 mL vials. How much medication will the nurse draw up? Provide the answer in mL.

- The nurse is caring for a client placed on a 2,000-calorie diet. If two snacks are responsible for 20% of the caloric intake, how many calories can be consumed with each snack?

- While assisting with meal planning for a client placed on an 1,800-calorie diet, the nurse plans for meals to make up 80% of the calorie consumption and wants to make each meal equivalent. How many calories should the nurse plan for each of three meals?

- A client consumes 1/2 cup grape juice, 2/3 of a 10 oz bowl of broth, 1/4 of a 4 oz bowl of gelatin, and 1/3 a carton of milk, which holds 240 mL. Calculate the client’s intake in mL.

- While working in the pediatric clinic, the nurse receives a call from a client trying to figure out how much infant acetaminophen (Tylenol) to give to her child. The doctor has prescribed 45 mg every 4 hours. The medication is provided in 60 mg/5 mL concentration. How much medication (in mL) should the client provide per dose? (Round to the nearest mL)

- The physician recommends a teenager start taking 600 mg ibuprofen (Advil) tid starting 2 days prior to her menstrual cycle and that she continue the medication for one week. The medication comes in 200-mg strength tablets. How many tablets will the client consume during the week?

**Chapter 6. Basic Review of Mathematics**

**Answer Section**

**PROBLEM**

- ANS:

510 mL

PTS: 1 DIF: Moderate TOP: Therapeutic Classification: NA

KEY: Application MSC: NCLEX Category: Basic Care and Comfort

NOT: See Addition Calculations (p. 79–80): The client has 150 mL dialysate solution, 240 mL coffee, 120 mL juice. 150 + 240 + 120 is 510 mL.

- ANS:

985 calories

PTS: 1 DIF: Moderate TOP: Therapeutic Classification: NA

KEY: Application MSC: NCLEX Category: Basic Care and Comfort

NOT: See Subtraction Calculations (p. 80–81): 1,700 calories allowed each day, minus the calories for breakfast (415) and snacks (300) is written as: 1,700 – 715 and totals 985.

- ANS:

90 pills

PTS: 1 DIF: Easy TOP: Therapeutic Classification: Antihypertensive

KEY: Application MSC: NCLEX Category: Pharmacological Therapies

NOT: See Multiplication Calculations (p. 81): Tid means three times per day, so the client will take 3 pills per day for 30 days (3 x 30), totaling 90 pills.

- ANS:

1/2 pill

PTS: 1 DIF: Easy TOP: Therapeutic Classification: Antidepressants

KEY: Application MSC: NCLEX Category: Pharmacological Therapies

NOT: See Adding Fractions (p. 87): Sometimes a patient is required to take partial tablets. The dose is one-half (5 divided by 10) the available pill, so 1/2 pill is given.

- ANS:

1 mL

PTS: 1 DIF: Easy TOP: Therapeutic Classification: Antiemetics

KEY: Application MSC: NCLEX Category: Pharmacological Therapies

NOT: See Solving for Unknown (p. 99): The ordered dose is 4 mg. The medication is provided in 8-mg vials. The dose is half of the available vial (4 divided by 8) so half the vial will be given. Because there are 2 mL in each vial, half the vial is (1/2 multiplied by 2), which equals 1 mL.

- ANS:

200 calories

PTS: 1 DIF: Easy TOP: Therapeutic Classification: NA

KEY: Application MSC: NCLEX Category: Basic Care and Comfort

NOT: See Percentages (p. 95): 20% of 2,000 calories is 400 calories (0.2 x 2000), divided by 2 results in 200 calories per snack.

- ANS:

480 calories

PTS: 1 DIF: Moderate TOP: Therapeutic Classification: NA

KEY: Application MSC: NCLEX Category: Basic Care and Comfort

NOT: See Percentages (p. 95): 80% of the 1,800 calorie intake is 1,440 calories (0.8 x 1,800). 1,440 is divided equally between three meals (1,440/3) for 480 calories per meal.

- ANS:

430 mL

PTS: 1 DIF: Moderate TOP: Therapeutic Classification: NA

KEY: Application MSC: NCLEX Category: Basic Care and Comfort

NOT: See Fractions (p. 87): 1/2 cup is 120 mL, 2/3 of 10 oz (300 mL) is 200 mL, 1/4 of 4 oz (120 mL) is 30 mL, 1/3 of 240 mL is 80 mL. 120 + 200 + 30 + 80 is 430.

- ANS:

4 mL

PTS: 1 DIF: Moderate TOP: Therapeutic Classification: Medication Administration

KEY: Application MSC: NCLEX Category: Pharmacological Therapies

NOT: See Fractions (p. 87): 60 mg in 5 mL is equivalent to 12 mg per mL. 45 mg divided by 12 mg/mL is 3.75 mL, which is rounded to 4 mL.

- ANS:

63 tablets

PTS: 1 DIF: Moderate TOP: Therapeutic Classification: Medication Administration

KEY: Application MSC: NCLEX Category: Pharmacological Therapies

NOT: See Multiplication Calculations (p. 81): A 600-mg dose requires 3 pills per dose (600 mg/200 mg per pill). Tid means the client takes three doses per day, which is 9 pills per day (3 pills x 3 doses per day). One week of medication is 7 days x 9 pills per day, or 63 pills total for the week.

**Chapter 7. Measurement Systems**

**Completion**

*Complete each statement.*

- The nurse is providing care for a newborn that weighs 8 lb 8 oz. The physician has ordered medications based on a kg weight. How much does the infant weigh in kg? Round to the nearest whole number.

- While working in the pediatric clinic, the nurse weighs a 5-year-old child as 20.5 kg. The mother asks, “How much is that in pounds?” Provide the child’s weight to the nearest whole pound.

- While removing the dinner tray from a client’s room, the nurse notes the client drank 1 cup of water, 6 oz of beef broth, 4 oz of gelatin, 120 mL of juice and 1 2-oz popsicle. What would the nurse record for intake in mL?

- While attempting to track the intake of an elderly client, the nurse asks the client to identify what the client drank that day. The client reports, “I had a small cup of tea, a juice glass full of juice, and 2 cups of milk.” The nurse would record how many oz for this client’s intake?

- While preparing to dispense a dose of liquid medication for a client with a gastrostomy tube, the nurse notes the ordered dose is 15 mL. How many cc will the nurse draw into the cath-tipped syringe when dispensing the medication?

- The physician has ordered a child’s antibiotic dose as 5 mg/kg. The child weighs 14 kg. The antibiotic is provided in a vial with 10 mg/mL. How many mL of antibiotic will be dispensed? Round to the nearest whole number.

- The nurse is mixing diluent with a powdered medication. The package directions instruct the nurse to mix 3 mL of sterile water to achieve a concentration of 4 mg/mL. The client’s dose is 6 mg. How many mL will the nurse withdraw to provide to the client? Round to the nearest tenth.

- A client is ordered 25 mg of diphenhydramine (Benadryl) by intramuscular injection. The medication is supplied in a 1-mL vial with 50 mg dosage. How much will the nurse inject?

- The nurse is preparing to provide sliding scale insulin coverage to a client with diabetes. The client’s blood sugar is 240 g/dL. The sliding scale indicates the client should receive 8 units of insulin. The insulin is provided in a multi-dose vial with a concentration of 100 units/10 mL. How many mL of insulin will the nurse provide?

- The nurse is caring for a client who is to receive cefoperazone (Cefodbid) 1.5 g in 100 mL normal saline intravenously over 30 minutes. The nurse begins the infusion and a little while later the client calls to report itching so the nurse stops the infusion. The pump reading has recorded 44 mL infused. Approximately how much medication (in mg) did the client receive?

**Chapter 7. Measurement Systems**

**Answer Section**

**COMPLETION**

- ANS: 4 kg

PTS: 1 DIF: Easy TOP: Therapeutic Classification: Medication Administration

KEY: Application MSC: NCLEX Category: Pharmacological Therapies

NOT: See Measurement System (p. 109): 1 kg equals 2.2 lb; 1 lb equals 0.45 kg; 1 lb equals 16 oz. The infant weights 8 lb, 8 oz. 8oz is one-half pound, so 8.5 lb x 0.45 equals 3.825 or 4 kg.

- ANS: 45 lb

PTS: 1 DIF: Easy TOP: Therapeutic Classification: NA

KEY: Application MSC: NCLEX Category: Pharmacological Therapies

- ANS: 720 mL

PTS: 1 DIF: Moderate TOP: Therapeutic Classification: NA

KEY: Application MSC: NCLEX Category: Pharmacological Therapies

NOT: See Household System (p. 112): 8 oz equals 1 cup equals 240 mL. 1 cup of water is 240 mL, 6 oz beef broth is 180 mL, 4 oz of gelatin is 120 mL, 120 mL of juice, and 2 oz of popsicle is 60 mL. Add 240 + 180 + 120 + 120 + 30 for a total of 720 mL.

- ANS: 26 oz

PTS: 1 DIF: Easy TOP: Therapeutic Classification: NA

KEY: Application MSC: NCLEX Category: Pharmacological Therapies

NOT: See Household System (p. 110): A teacup is 6 oz, the juice glass is 4 oz, the 2 cups of milk are 16 oz, so 6 + 4 + 16 equals 26 oz.

- ANS: 15 cc

PTS: 1 DIF: Easy TOP: Therapeutic Classification: Medication Administration

KEY: Application MSC: NCLEX Category: Pharmacological Therapies

NOT: See Metric System (p. 112–113): 1 cubic centimeter (cc) equals 1 mL of fluid.

- ANS: 7 mL

PTS: 1 DIF: Easy TOP: Therapeutic Classification: Medication Administration

KEY: Application MSC: NCLEX Category: Pharmacological Therapies

NOT: See Household and Metric System (p. 110, 115): 14 kg multiplied by 5 mg/kg equals 70 mg. 70 mg divided by 10 mg/mL equals 7 mL.

- ANS: 1.5 mL

PTS: 1 DIF: Easy TOP: Therapeutic Classification: Medication Administration

KEY: Application MSC: NCLEX Category: Pharmacological Therapies

NOT: See Metric System (p. 117): The dose of 6 mg is divided by 4 mg/mL for a total of 1.5 mL.

- ANS: 0.5 mL

PTS: 1 DIF: Easy TOP: Therapeutic Classification: Medication Administration

KEY: Application MSC: NCLEX Category: Pharmacological Therapies

NOT: See Metric System (p. 115): The 25-mg dose is one half of the supplied dose, so 0.5 mL will be injected.

- ANS: 0.8 mL

PTS: 1 DIF: Moderate TOP: Therapeutic Classification: Medication Administration

KEY: Application MSC: NCLEX Category: Pharmacological Therapies

NOT: See Metric System (p. 117): 100 units in 10 mL is equivalent to 10 units per mL. The client is to receive 8 units of insulin coverage. 8 units divided by 10 units/mL equals 0.8 mL.

- ANS: 660 mg

PTS: 1 DIF: Moderate TOP: Therapeutic Classification: Medication Administration

KEY: Application MSC: NCLEX Category: Pharmacological Therapies

NOT: See Metric System (p. 117): 1.5 g in 100 mL is equivalent to 1,500 mg in 100 mL or 15 mg in 1 mL. 44 mL of medication has infused. 44 times 15 equals 660 mg.