## Practice Mode

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*Drug Dosage Calculations NCLEX Exam 1 (PM)*.

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## Exam Mode

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*Drug Dosage Calculations NCLEX Exam 1 (EM)*.

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## Text Mode

Text Mode – Text version of the exam

1. Doctor’s Order: Tylenol supp 1 g pr q 6 hr prn temp > 101; Available: Tylenol supp 325 mg (scored). How many supp will you administer?

- 2 supp
- 1 supp
- 3 supp
- 5 supp

2. Doctor’s Order: Nafcillin 500 mg po pc; Available: Nafcillin 1 gm tab (scored). How many tab will you administer per day?

- 2.5 tabs
- 2 tabs
- 1.5 tabs
- 1 tab

3. Doctor’s Order: Synthroid 75 mcg po daily; Available: Synthroid 0.15 mg tab (scored). How many tab will you administer?

- 1 tab
- 0.5 tab
- 2 tabs
- 1.5 tabs

4. Doctor’s Order: Diuril 1.8 mg/kg po tid; Available: Diuril 12.5 mg caps. How many cap will you administer for each dose to a 31 lb child?

- 2 caps
- 2.5 caps
- 3 caps
- 1.5 caps

5. Doctor’s Order: Cleocin Oral Susp 600 mg po qid; Directions for mixing: Add 100 mL of water and shake vigorously. Each 2.5 mL will contain 100 mg of Cleocin. How many tsp of Cleocin will you administer?

- 3 tsp
- 5 tsp
- 3.5 tsp
- 1 tsp

6. Doctor’s Order: Sulfasalazine Oral Susp 500 mg q 6 hr; Directions for mixing: Add 125 mL of water and shake well. Each tbsp will yield 1.5 g of Sulfasalazine. How many mL will you give?

- 5 ml
- 3 ml
- 4 ml
- 2 ml

7. Your patient has had the following intake: 2 ½ cups of coffee (240 mL/cup), 11.5 oz of grape juice, ¾ qt of milk, 320 mL of diet coke, 1 ¼ L of D5W IV and 2 oz of grits. What will you record as the total intake in mL for this patient?

- 2,325 ml
- 3,265 ml
- 3,325 ml
- 2,235 ml

8. Your patient has had the following intake: 8 oz glasses of iced tea, 4 oz cartons of grape juice, ¾ pt of ice cream, 32 oz of juice, 1 ½ L of D5W IV and 6 oz of cottage cheese. What will you record as the total intake in mL for this patient?

- 3,357 ml
- 3,375 ml
- 3,915 ml
- 3,195 ml

9. Doctor’s Order: Kantamycin 7.5 mg/kg IM q 12 hr; Available: Kantamycin 0.35 Gm/mL. How many mL will you administer for each dose to a 157 lb patient?

- 2 ml
- 1 ml
- 2.5 ml
- 1.5 ml

10. Doctor’s Order: Heparin 7,855 units Sub Q bid; Available: Heparin 10,000 units per ml. How many mL will you administer?

- 0.79 ml
- 1.79 ml
- 0.17 ml
- 1.17 ml

11. Doctor’s Order: Demerol 50 mg IVP q 6 hr prn pain; Available: Demerol 75 mg/ 1.3mL. How many mL will you administer?

- 0.87 ml
- 1.87 ml
- 2 ml
- 2.87 ml

12. Doctor’s Order: Streptomycin 1.75 mg/ lb IM q 12 hr; Available: Streptomycin 0.35 g / 2.3 mL. How many mL will you administer a day to a 59 Kg patient?

- 1.5 ml
- 2 ml
- 2.5 ml
- 3 ml

13. Doctor’s Order: Bumex 0.8 mg IV bolus bid; Reconstitution instructions: Constitute to 1000 micrograms/3.1 mL with 4.8mL of 5% Dextrose Water for Injection. How many mL will you administer?

- 2 ml
- 3.5 ml
- 3 ml
- 2.5 ml

14. Doctor’s Order: Tazidime 0.3 g IM tid; Reconstitution instructions: For IM solution add 1.5 mL of diluent. Shake to dissolve. Provides an approximate volume of 1.8 mL (280 mg/mL). How many mL will you give?

- 1.9 ml
- 2 ml
- 3 ml
- 1.1 ml

15. Doctor’s Order: Infuse 50 mg of Amphotericin B in 250 mL NS over 4 hr 15 min; Drop factor: 12gtt/mL. What flow rate (mL/hr) will you set on the IV infusion pump?

- 11.8 ml/hr
- 58.8 ml/hr
- 14.1 ml/hr
- 60.2 ml/hr

16. Doctor’s Order: 1 ½ L of NS to be infused over 7 hours; Drop factor: 15 gtt/mL. What flow rate (mL/hr) will you set on the IV infusion pump?

- 53.6 ml/hr
- 214.3 ml/hr
- 35.7 ml/hr
- 142.9 ml/hr

17. Doctor’s Order: Mandol 300 mg in 50 mL of D5W to infuse IVPB 15 minutes; Drop factor: 10 gtt/mL. How many mL/hr will you set on the IV infusion pump?

- 200 ml/hr
- 87.5 ml/hr
- 3.3 ml/hr
- 50 ml/hr

18. Doctor’s Order: Infuse 1200 mL of 0.45% Normal Saline at 125 mL/hr; Drop Factor: 12gtt/min. How many gtt/min will you regulate the IV?

- 2 gtt/min
- 12 gtt/min
- 25 gtt/min
- 27 gtt/min

19. Doctor’s Order: Rocephin 0.5 grams in 250 mL of D5W to infuse IVPB 45 minutes; Drop Factor: 12gtt/min. How many gtt/ min will you regulate the IVPB?

- 6 gtt/min
- 30 gtt/min
- 67 gtt/min
- 87 gtt/min

20. Doctor’s Order: ¼ L of D5W to infuse over 2 hr 45 min; Drop factor: 60 gtt/mL. How many gtt/min will you regulate the IV?

- 91 gtt/min
- 96 gtt/min
- 125 gtt/min
- 142 gtt/min

21. Doctor’s Order: Minipress 3000 mcg po ac; Available: Minipress tabs 2 mg (scored). How many tab will you administer in 24 hr?

- 1.5 tabs
- 3 tabs
- 4.5 tabs
- 5 tabs

22. Doctor’s Order: Dilantin 0.75 gm po stat; Available: Dilantin 250 mg cap. How many cap will you administer?

- 1 cap
- 2 caps
- 3 caps
- 4 caps

23. Doctor’s Order: Digoxin 0.25 mg po daily; Available: Digoxin 125 mcg tabs (scored). How many tab will you administer for this dose?

- 1 tabs
- 2 tabs
- 3 tabs
- 4 tabs

24. Doctor’s Order: Klotrix 0.35 mEq/ lb po dissolved in 6 oz of oj at 8 am; Available: Klotrix 8 mEq/mL. How many mL of Klotrix will you add to the oj for a 20.5 Kg patient?

- 0.5 ml
- 1 ml
- 2 ml
- 2.5 ml

25. Doctor’s Order: Megace Oral Suspension 160 mg po bid; Directions for mixing: Add 100 mL of water and shake vigorously. Each 0.5 mL will contain 10.7 mg of Megace. How many tbsp of Megace will you administer?

- 0.5 tbsp
- 2.5 tbsp
- 3.5 tbsp
- 5 tbsp

26. Doctor’s Order: Vistaril Oral Susp 10 mg q 4 hr prn anxiety; Directions for mixing: Add 125 mL of water and shake well. Each tsp will yield 15 mg of Vistaril. How many mL will you give?

- 1 ml
- 1.3 ml
- 3 ml
- 3.3 ml

27. Your patient had the following intake: 2 1/2 bowls of broth (180 mL/bowl), 1 can of tomato juice (4.5 oz/can ), 4 oz of cottage cheese, 1 ¾ L of NS IV and ½ pt of ice cream. What will you record as the total intake in mL for this patient?

- 2,858 ml
- 2,585 ml
- 2,705 ml
- 2,505 ml

28. Your patient has had the following intake: ½ cup of hot tea (240 mL/cup), 3/4 container of grapefruit juice (4 oz/container), 3/4 qt of milk, 1 pt of water, 125 mL of D5W IV x 8 hr and 2 oz of fruit cocktail. What will you record as the total intake in mL for this patient?

- 2,460 ml
- 2,640 ml
- 2,520 ml
- 2,250 ml

29. Doctor’s Order: Tobramycin 1.25mg/Kg IM q 12 hr; Available: Tobramycin 0.2 g/mL. How many mL will you administer to a 183 lb patient for each dose?

- 0.52 ml
- 1.52 ml
- 2 ml
- 4 ml

30. Doctor’s Order: Heparin 4,390 units Sub Q bid; Available: Heparin 5,000 USP units per ml in 10 ml. How many mL will you administer?

- 8.8 ml
- 0.88 ml
- 1.88 ml
- 0.18 ml

31. Doctor’s Order: Penicillin G 223,500 units IM q 4 hr; Available: Penicillin G 500,000 units /2.5 mL. How many mL will you administer?

- 0.4 ml
- 2 ml
- 1.1 ml
- 2.4 ml

32. Doctor’s Order: Amikacin 5 mg/ lb IM q 12 hr; Available: Amikacin 0.9 gm/ 2 mL. How many mL will you administer to a 72.7 Kg patient?

- 0.9 ml
- 3 ml
- 5 ml
- 1.8 ml

33. Doctor’s Order: Fentanyl 0.05 mg IV bolus; Reconstitution instructions: Constitute to Fentanyl 100 micrograms/2.3 mL with 2.4 mL of 5% Dextrose Water for Injection. How many mL will you administer?

- 0.01 ml
- 0.1 ml
- 1 ml
- 1.2

34. Doctor’s Order: Ancef 0.4253 Gm IM bid; Reconstitution instructions: For IM solution add 1.25 mL of diluent. Shake to dissolve. Provides an approximate volume of 1.6 mL (240 mg/mL). How many mL will you give?

- 0.8 ml
- 1.8 ml
- 2.2 ml
- 3.2 ml

35. Doctor’s Order: Infuse 250 mL of platelets IV over 2 hr 30 min; Drop factor: 10 gtt/mL. What flow rate (mL/hr) will you set on the IV infusion pump?

- 10 ml/hr
- 100 ml/hr
- 50 ml/hr
- 150 ml/hr

36. Doctor’s Order: 1 ¼ L of D5 with Ringer’s lactate to be infused over 18 hours; Drop factor: 20 gtt/mL. What flow rate (mL/hr) will you set on the IV infusion pump?

- 1.2 ml/hr
- 23.1 ml/hr
- 69.4 ml/hr
- 20 ml/hr

37. Doctor’s Order: Zantac 150 mg in 175 mL of D5W to infuse IVPB over 45 minutes; Drop factor: 12 gtt/mL. How many mL/hr will you set on the IV infusion pump?

- 7.2 ml/hr
- 233.3 ml/hr
- 86.7 ml/hr
- 433.3 ml/hr

38. Doctor’s Order: Infuse 2750 mL of 0.45% Normal Saline at 150 mL/hr; Drop Factor: 15 gtt/mL. How many gt/mL will you regulate the IV?

- 46 gtt/min
- 38 gtt/min
- 48 gtt/min
- 36 gtt/min

39. Doctor’s Order: Cefoxin 0.5 Gm in 275 mL of D5W to infuse IVPB over 2 hours; Drop Factor: 60 gtt/mL. How many gtt/min will you regulate the IV?

- 200 gtt/min
- 150 gtt/min
- 257 gtt/min
- 138 gtt/min

40. Doctor’s Order: ¾ L of D5W to infuse over 5 hr 45 min; Drop factor: 60 gtt/mL. How many gtt/min will you regulate the IV?

- 12.5 gtt/min
- 75.5 gtt/min
- 375/ gtt/min
- 130 gtt/min

###### Answers and Rationale

1. Answer: C. 3 supp

1 g = 1000 mg

2. Answer: C. 1.5 tabs

1 g = 1,000 mg

3. Answer: B. 0.5 tab

1 mg = 1,000 mcg

4. Answer: A. 2 caps

31 lbs = 14 kg

1.8 mg/kg x 14 kg = 25.2 mg or 25 mg (per dose)

6. Answer: A. 5 ml

1 tbsp = 15 ml

7. Answer: B. 3,265 ml

1 qt = 1,000 ml

1 oz = 30 ml

600 ml + 345 ml + 750 ml + 320 ml + 1,250 ml = 3,265 ml (Grits is not liquid at room temperature, so it is not included when calculating intake.)

8. Answer: D. 3,195 ml

1 pt = 500 ml

1 oz = 30 ml

240 ml + 120 ml + 375 ml + 960 ml + 1,500 ml = 3,195 ml (Cottage cheese is not liquid at room temperature, so it is not included when calculating intake.)

9. Answer: D. 1.5 ml

157 lbs = 71.36 kg or 71 kg

7.5 mg/kg x 71 kg = 532.5 mg

10. Answer: A. 0.79 ml

11. Answer: A. 0.87 ml

12. Answer: D. 3 ml

59 kg = 130 lbs

1.75 mg/lbs x 130 lbs = 227.5 mg

1.5 ml x 2 = 3 ml

13. Answer: D 2.5 ml

1 mg = 1,000 mcg

l

14. Answer: D. 1.1 ml

15. Answer: B. 58.8 ml/hr

4 hr 15 min = 4.25 hrs [4 hrs + (15 mins÷60 mins)]

16. Answer: B. 214.3 ml/hr

17. Answer: A. 200 ml/hr

15 min = 0.25 hr

18. Answer: C. 25 gtt/min

19. Answer: C. 67 gtt/min

20. Answer: A. 91 gtt/min

21. Answer: C. 4.5 tabs

22. Answer: C. 3 caps

23. Answer: B. 2 tabs

24. Answer: C. 2 ml

20.5 kg x 2.2 lbs = 45.1 lbs

45.1 lbs x 0.35 0.35 mEq/lb = 15.8 mEq/lb

25. Answer: A. 0.5 tbsp

26. Answer: D. 3.3 ml

27. Answer: B. 2,585 ml

1 oz = 30 ml

1 pt = 500 ml

450 ml + 135 ml + 1,750 ml + 250 ml = 2,585 ml (Cottage cheese is not liquid at room temperature, so it is not included when calculating intake.)

28. Answer: A. 2460

1 oz = 30 ml

1 qt = 1000 ml

120 ml + 90 ml + 750 ml + 500 ml + 1,000 ml = 2,460 ml (Fruit cocktail is not liquid at room temperature, so it is not included when calculating intake.)

29. Answer: A. 0.52 ml

183 lb = 83.2 kg

83.2 kg x 1.25 mg/kg = 104 mg

30. Answer: B. 0.88 ml

31. Answer: C. 1.1 ml

32. Answer: D. 1.8 ml

72.7 x 2.2 = 160 lb

5 mg/lb x 160 lb = 800 mg (per dose)

33. Answer: D. 1.2

34. Answer: B. 1.8 ml

35. Answer: B. 100 ml/hr

36. Answer: C. 69.4 ml/hr

37. Answer: B. 233.3 ml/hr

38. Answer: B. 38 gtt/min

39. Answer: D. 138 gtt/min

2 hrs x 60 mins = 120 mins

40. Answer: D. 130 gtt/min

5 hrs x 60 = 300 mins + 45 mins = 345 mins