Exam 6: Reconstituted Oral and Injectable Medications

Ordered: 40 mEq potassium chloride in 200 mL of D5W to infuse in 90 min for potassium depletion. Available: 20 mL single-dose vial for IV use. Each mL contains 2 mEq of potassium chloride. a. How many mL of medication will you need to inject into 200 mL of D5W for infusion? b. How many mL per hr will you set the electronic infusion device to infuse?

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Question 1

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a. $20 \mathrm{~mL}$

Know $\quad$ $\quad$ $\quad$ $\quad$ $\quad$ $\quad$ Want to Know
$2 \mathrm{mEq}: 1 \mathrm{~mL}=40 \mathrm{mEq}: x \mathrm{~mL}$
$2 x=40$
$x=20 \mathrm{~mL}$

Proof: $2 \times 20=40$
$\quad$ $\quad$ $1 \times 40=40$ b. $133 \mathrm{~mL}$

Know $\quad$ $\quad$ $\quad$ $\quad$ Want to Know
$a. 20 \mathrm{~mL} Know \quad \quad \quad \quad \quad \quad Want to Know 2 \mathrm{mEq}: 1 \mathrm{~mL}=40 \mathrm{mEq}: x \mathrm{~mL} 2 x=40 x=20 \mathrm{~mL} Proof: 2 \times 20=40 \quad \quad 1 \times 40=40 b. 133 \mathrm{~mL} Know \quad \quad \quad \quad Want to Know \begin{array}{l} 9 x=20 \times 60=1200 \\ 9 x=1200 \\ x=133.33=133 \mathrm{~mL} \text { per hr } \end{array} Proof: 20 \times 60=1200 \quad \quad \quad 9 \times 133.33=1199.9$
$\begin{array}{l}9 x=20 \times 60=1200 \\9 x=1200 \\x=133.33=133 \mathrm{~mL} \text { per hr }\end{array}$

Proof: $20 \times 60=1200$
$\quad$ $\quad$ $\quad$ $9 \times 133.33=1199.9$

Mark the amount to be given on each syringe. -Ordered: Penicillin G 250,000 units IM every 12 hr for pneumonia. Available: Penicillin G sodium 5,000,000 units per vial. a. How much diluent will you add? b. How many mL will you give?

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Question 2

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a. $18 \mathrm{~mL}$
b. $1 \mathrm{~mL}$

Know $\quad$ $\quad$ $\quad$ $\quad$ $\quad$ $\quad$ $\quad$ $\quad$ $\quad$ $\quad$ Want to Know
$250, \theta \theta \theta$ units : $1 \mathrm{~mL}=250, \theta \theta \theta$ units : $x \mathrm{~mL}$
$250 x=1250=250$
$x=1 \mathrm{~mL}$

Proof $1 \times 250=250$
$\quad$ $\quad$ $250 \times 1=250$ The 1 mL concentration is recommended as penicillin can be irritating in a concentrated form. $a. 18 \mathrm{~mL} b. 1 \mathrm{~mL} Know \quad \quad \quad \quad \quad \quad \quad \quad \quad \quad Want to Know 250, \theta \theta \theta units : 1 \mathrm{~mL}=250, \theta \theta \theta units : x \mathrm{~mL} 250 x=1250=250 x=1 \mathrm{~mL} Proof 1 \times 250=250 \quad \quad 250 \times 1=250 The 1 mL concentration is recommended as penicillin can be irritating in a concentrated form.$

Mark the amount to be given on each syringe. -Ordered: Rocephin $500 \mathrm{mg}$ IM every $4 \mathrm{hr}$ for otitis media. Available: Rocephin (ceftriaxone sodium) $2 \mathrm{~g}$ . $Mark the amount to be given on each syringe. -Ordered: Rocephin 500 \mathrm{mg} IM every 4 \mathrm{hr} for otitis media. Available: Rocephin (ceftriaxone sodium) 2 \mathrm{~g} . a. How much diluent will you add? b. How many mL will you give?$ $Mark the amount to be given on each syringe. -Ordered: Rocephin 500 \mathrm{mg} IM every 4 \mathrm{hr} for otitis media. Available: Rocephin (ceftriaxone sodium) 2 \mathrm{~g} . a. How much diluent will you add? b. How many mL will you give?$ a. How much diluent will you add? b. How many mL will you give? $Mark the amount to be given on each syringe. -Ordered: Rocephin 500 \mathrm{mg} IM every 4 \mathrm{hr} for otitis media. Available: Rocephin (ceftriaxone sodium) 2 \mathrm{~g} . a. How much diluent will you add? b. How many mL will you give?$

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Question 3

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a. $\text { Add } 7.2 \mathrm{~mL} \text { of diluent }$ b. $2 \mathrm{~mL}$ Know $\quad$ $\quad$ $\quad$ $\quad$ $\quad$ Want to Know

$250 \mathrm{mg}: 1 \mathrm{~mL}=500 \mathrm{mg}: x \mathrm{~mL}$
$250 x=500$
$x=2 \mathrm{~mL}$

Proof: $250 \times 2=500$
$\quad$ $\quad$ $1 \times 500=500$ $a. \text { Add } 7.2 \mathrm{~mL} \text { of diluent } b. 2 \mathrm{~mL} Know \quad \quad \quad \quad \quad Want to Know 250 \mathrm{mg}: 1 \mathrm{~mL}=500 \mathrm{mg}: x \mathrm{~mL} 250 x=500 x=2 \mathrm{~mL} Proof: 250 \times 2=500 \quad \quad 1 \times 500=500$

Ordered: Cipro 400 mg IV for a urinary tract infection. Infuse in 90 min. Available: Cipro (ciprofloxacin) 400 mg in 40 mL of sterile 1% solution. Directions: Further dilute in 200 mL of D5W. a. How many drops per min will you set the IV device to infuse using a gravity tubing at 20 drops per mL? b. How many mL per hr will you set the electronic infusion device?

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Question 4

Ordered: Pfizerpen 600,000 units IM q12h. Available: Pfizerpen 5 million units. Directions: Add 8.2 mL diluent to yield 500,000 units/mL. Add 3.2 mL diluent to yield 1,000,000 units/mL. If you add 8.2 mL of diluent, how many mL of Pfizerpen will you give?

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Question 5

Ordered: Maxipime 500 mg IV every 8 hr for otitis media. Available: Maxipime 1 g. Directions: Add 8.7 mL of diluents to yield 10 mL of drug solution. Further dilute dose in 100 mL of D5W to infuse in 40 min. How many mL per hr will you set the IV infusion device to infuse?

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Question 6

Ordered: Methicillin 750 mg IM q6h. Available: Methicillin sodium 1 g. Directions: Add 5.7 mL sterile water for injection. Each 2 mL equals 1 g methicillin sodium. Discard after storing 24 hr at room temperature or after 4 days of refrigeration. How many mL will you inject?

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Question 7

Ordered: Tagamet 200 mg IV every 12 hr for a duodenal ulcer. Available: Tagamet multidose vial with 300 mg per 2 mL. Directions: Dilute each dose with 50 mL of D5W to infuse in 30 min. a. How many mL of Tagamet will you need? b. How many mL per hr will you set the electronic infusion device to infuse?

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Question 8

Ordered: 500,000 units Pfizerpen IM q6h. Available: Pfizerpen 1 million units for reconstitution. Directions for mixing: Add 18.2 mL diluent to yield 250,000 units per mL or add 3 mL diluent to yield 1,000,000 units per mL. How many mL will you give if you use 18.2 mL of diluent?

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Question 9

Ordered: Ampicillin 350 mg IM q6h. Available: Ampicillin 1 g. Directions: Add 3.5 mL diluent. Each mL equals 250 mg. How many mL will you give?

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Question 10

Ordered: Methicillin (Staphcillin) $1 \mathrm{~g}$ every $8 \mathrm{hr}$ IV for a respiratory infection. Available: Staphcillin $4 \mathrm{~g}$ in powdered form in the vial. Directions: Add $5.7 \mathrm{~mL}$ of diluent to yield $8 \mathrm{~mL}$ . Further dilute in $100 \mathrm{~mL}$ of D5W and infuse in $40 \mathrm{~min}$ . How many mL per hr will you set the infusion device to infuse?

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Question 11

Ordered: Rocephin 500 mg IM bid. Available: Rocephin 0.5 g vial. Directions: Add 1.8 mL of diluent to yield 250 mg/mL. Add 1 mL of diluent to yield 350 mg/mL. How many mL will you give if you add 1 mL of diluent?

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Question 12

Mark the amount to be given on each syringe. -Ordered: Velosef $200 \mathrm{mg}$ IM 4 times a day for a urinary tract infection. Available: Velosef $250 \mathrm{mg}$ per vial. $Mark the amount to be given on each syringe. -Ordered: Velosef 200 \mathrm{mg} IM 4 times a day for a urinary tract infection. Available: Velosef 250 \mathrm{mg} per vial. a. How many mL of diluent will you add? b. How many mL will you give?$ a. How many mL of diluent will you add? b. How many mL will you give? $Mark the amount to be given on each syringe. -Ordered: Velosef 200 \mathrm{mg} IM 4 times a day for a urinary tract infection. Available: Velosef 250 \mathrm{mg} per vial. a. How many mL of diluent will you add? b. How many mL will you give?$

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Question 13

Ordered: Piperacillin sodium $2 \mathrm{~g}$ IV every $8 \mathrm{hr}$ for a pelvic infection. Available: Piperacillin $4 \mathrm{~g}$ vial in powdered form. Directions: Add $7.8 \mathrm{~mL}$ of diluents to yield $10 \mathrm{~mL}$ of drug solution. Dilute the dose in $200 \mathrm{~mL}$ of D5W to infuse in $90 \mathrm{~min}$ . How many mL per hr will you set the infusion device to infuse?

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Question 14

Ordered: Measles, mumps, and rubella virus vaccine 0.5 mL subcutaneous. Available: 10 mL multidose vial. Directions: Use only the special diluent supplied for reconstitution. Withdraw the entire content (7 mL) of diluent and inject into the sterile vial of vaccine. Agitate to ensure thorough mixing. Each dose is 0.5 mL. How many doses are in the vial?

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Question 15

Ordered: Doxycycline (Vibramycin) 100 mg IV every 12 hr for gonorrhea. Available: Vibramycin vial with powder to make 100 mg of medication. Directions: Add 8 mL of diluent to make 100 mg of Vibramycin. Further dilute in 150 mL of D5W to infuse in 50 min. How many mL per hr will you set the IV infusion device to infuse?

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Question 16

Mark the amount to be given on each syringe. -Ordered: Tazidime 150 mg IM 4 times a day for chronic bronchitis. Available: Tazidime 500 mg. How many mL will you give?

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Question 17

Mark the amount to be given on each syringe. -Ordered: Solu-Medrol $30 \mathrm{mg}$ IM daily times 3 days for an autoimmune inflammation. Available: Solu-Medrol $40 \mathrm{mg}$ Directions: Press down on activator to force $1 \mathrm{~mL}$ of diluent into the vial. How many mL will you give? $Mark the amount to be given on each syringe. -Ordered: Solu-Medrol 30 \mathrm{mg} IM daily times 3 days for an autoimmune inflammation. Available: Solu-Medrol 40 \mathrm{mg} Directions: Press down on activator to force 1 \mathrm{~mL} of diluent into the vial. How many mL will you give?$

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Question 18

Ordered: Principen 200 mg po q6h. Available: Principen (ampicillin) for oral suspension. Directions: Add 72 mL of water. Shake well to make 100 mL. Each 5 mL yields 125 mg of ampicillin. How many mL will you give?

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Question 19

Ordered: Oxacillin 250 mg IV every 8 hr for 4 doses for a respiratory tract infection. Infuse in 150 mL of D5W in 50 min. Available: Oxacillin sodium 1 g. Directions: Add 5.7 mL Sterile Water for Injection. Each 1.5 mL contains 250 mg of oxacillin. a. How many mL per hr will you set the gravity infusion set with 15 drops per min? b. How many mL per hr will you set the electronic infusion device to infuse?

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Question 20

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Mark the amount to be given on each syringe. -Ordered: Penicillin G 250,000 units IM every 12 hr for pneumonia. Available: Penicillin G sodium 5,000,000 units per vial. a. How much diluent will you add? b. How many mL will you give?

Ordered: Pfizerpen 600,000 units IM q12h. Available: Pfizerpen 5 million units. Directions: Add 8.2 mL diluent to yield 500,000 units/mL. Add 3.2 mL diluent to yield 1,000,000 units/mL. If you add 8.2 mL of diluent, how many mL of Pfizerpen will you give?

Ordered: Maxipime 500 mg IV every 8 hr for otitis media. Available: Maxipime 1 g. Directions: Add 8.7 mL of diluents to yield 10 mL of drug solution. Further dilute dose in 100 mL of D5W to infuse in 40 min. How many mL per hr will you set the IV infusion device to infuse?

Ordered: Methicillin 750 mg IM q6h. Available: Methicillin sodium 1 g. Directions: Add 5.7 mL sterile water for injection. Each 2 mL equals 1 g methicillin sodium. Discard after storing 24 hr at room temperature or after 4 days of refrigeration. How many mL will you inject?

Ordered: 500,000 units Pfizerpen IM q6h. Available: Pfizerpen 1 million units for reconstitution. Directions for mixing: Add 18.2 mL diluent to yield 250,000 units per mL or add 3 mL diluent to yield 1,000,000 units per mL. How many mL will you give if you use 18.2 mL of diluent?

Ordered: Ampicillin 350 mg IM q6h. Available: Ampicillin 1 g. Directions: Add 3.5 mL diluent. Each mL equals 250 mg. How many mL will you give?

Ordered: Rocephin 500 mg IM bid. Available: Rocephin 0.5 g vial. Directions: Add 1.8 mL of diluent to yield 250 mg/mL. Add 1 mL of diluent to yield 350 mg/mL. How many mL will you give if you add 1 mL of diluent?

Mark the amount to be given on each syringe. -Ordered: Tazidime 150 mg IM 4 times a day for chronic bronchitis. Available: Tazidime 500 mg. How many mL will you give?

Ordered: Principen 200 mg po q6h. Available: Principen (ampicillin) for oral suspension. Directions: Add 72 mL of water. Shake well to make 100 mL. Each 5 mL yields 125 mg of ampicillin. How many mL will you give?

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Exam 6: Reconstituted Oral and Injectable Medications

Mark the amount to be given on each syringe. -Ordered: Penicillin G 250,000 units IM every 12 hr for pneumonia. Available: Penicillin G sodium 5,000,000 units per vial. a. How much diluent will you add? b. How many mL will you give?

Mark the amount to be given on each syringe. -Ordered: Rocephin 500mg500 \mathrm{mg}500mg IM every 4hr4 \mathrm{hr}4hr for otitis media. Available: Rocephin (ceftriaxone sodium) 2 g2 \mathrm{~g}2 g . a. How much diluent will you add? b. How many mL will you give?

Ordered: Pfizerpen 600,000 units IM q12h. Available: Pfizerpen 5 million units. Directions: Add 8.2 mL diluent to yield 500,000 units/mL. Add 3.2 mL diluent to yield 1,000,000 units/mL. If you add 8.2 mL of diluent, how many mL of Pfizerpen will you give?

Ordered: Maxipime 500 mg IV every 8 hr for otitis media. Available: Maxipime 1 g. Directions: Add 8.7 mL of diluents to yield 10 mL of drug solution. Further dilute dose in 100 mL of D5W to infuse in 40 min. How many mL per hr will you set the IV infusion device to infuse?

Ordered: Methicillin 750 mg IM q6h. Available: Methicillin sodium 1 g. Directions: Add 5.7 mL sterile water for injection. Each 2 mL equals 1 g methicillin sodium. Discard after storing 24 hr at room temperature or after 4 days of refrigeration. How many mL will you inject?

Ordered: 500,000 units Pfizerpen IM q6h. Available: Pfizerpen 1 million units for reconstitution. Directions for mixing: Add 18.2 mL diluent to yield 250,000 units per mL or add 3 mL diluent to yield 1,000,000 units per mL. How many mL will you give if you use 18.2 mL of diluent?

Ordered: Ampicillin 350 mg IM q6h. Available: Ampicillin 1 g. Directions: Add 3.5 mL diluent. Each mL equals 250 mg. How many mL will you give?

Ordered: Rocephin 500 mg IM bid. Available: Rocephin 0.5 g vial. Directions: Add 1.8 mL of diluent to yield 250 mg/mL. Add 1 mL of diluent to yield 350 mg/mL. How many mL will you give if you add 1 mL of diluent?

Mark the amount to be given on each syringe. -Ordered: Velosef 200mg200 \mathrm{mg}200mg IM 4 times a day for a urinary tract infection. Available: Velosef 250mg250 \mathrm{mg}250mg per vial. a. How many mL of diluent will you add? b. How many mL will you give?

Mark the amount to be given on each syringe. -Ordered: Tazidime 150 mg IM 4 times a day for chronic bronchitis. Available: Tazidime 500 mg. How many mL will you give?

Ordered: Principen 200 mg po q6h. Available: Principen (ampicillin) for oral suspension. Directions: Add 72 mL of water. Shake well to make 100 mL. Each 5 mL yields 125 mg of ampicillin. How many mL will you give?

General Mathematics

Ratio and Proportion

Safe Medication Administration

Medication Measurements and Oral Dose Calculations

Injectable Medication and Syringe Measurements

Basic Intravenous Calculations

Advanced Intravenous Calculations

Insulin Administration

Parenteral Nutrition

Anticoagulants

Pediatric Medications

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