SLCC Math 1020 Fall 2010 Final Exam Name: Part I: You are not allowed to use calculators, books, or notes. Answer all questions. Do it by yourself.

Transcription

1 SLCC Math 1020 Fall 2010 Final Exam Name: Part I: You are not allowed to use calculators, books, or notes. Answer all questions. Do it by yourself. 1. Use the adult s nomogram to find the BSA of a person who is 4 feet 10 inches tall and who weighs 135 lb. Give your answer correct to 2 decimal places. Write down the correct unit. 2. Suppose medications are filled to the lines. How much medication is in each syringe? Give an appropriate unit. B 1 a. b.

2 3. Write down abbreviations a. four times a day b. With c. As necessary d. after meal 4. Convert 2:12 a.m. into international time. 5. Convert 0.72 to a fraction and reduce. 6. Find the percent strength of a solution that has a volume of 10 ml and contains 0.21 g of pure drug. 7. How many grams of dextrose are in 400 cc of D7W (Dextrose 7% solution)? 8. How many milliliters of a 0.8% solution would contain 240 mg of pure drug? 9. Find the amount to administer for each of the following. a. Ordered: Saquinavir 0.4 g PO tid a.c. On hand: Saquinavir 200 mg capsules b. Ordered: Ethacrynic Acid 62,500 mcg PO qd On hand: Ethacrynic Acid 25mg scored tab c. Ordered: Heparin sodium 3,500 units deep Sub-Q q8h On hand: Heparin sodium 1:10,000 for injection B 2

3 10a. Based on how we round numbers, write down the range of numbers 22 represents. 22 < 10b. Find the number of significant digits. 3, List the ten rights of drug administration. 12. Fill in the blanks. a =_% b. 24 = (Arabic numeral) (Roman numeral) c kg =_mg d. 6 grains ~mg e. 406 drams = lb oz dr f. 77 lb ~ _kg B 3

4 g. 4.12L =_cc h. quart = fluid ounces i. 50,020,000,000 = (Scientific notation) j. 2log3 2log(5x) = (Write as a single logarithm) k. Simplify. log100, Assume x and y are non-zero numbers x y Simplify x y 14. Divide (Round to 1 decimal place) 15. Write the equivalent logarithmic equation. 5 x = 37 _ 16. The doctor ordered Clorazepate CIV 25 g bid. The drug label states that the maximum dose of Clorazepate CIV is 60 mg/day. Is the prescription safe for this patient? _ B 4

5 SLCC Math 1020 Fall 2010 Final Exam Name: Part II: You need a scientific or graphing calculator. Do not use any other electronic devices, books, or notes. Do it by yourself. 1. Given 5F = 9C Convert 86 F to degrees Celsius. 2. Refer to the following label. a. Find the generic name. b. Find the dosage strength. Suppose the order reads: Vasotec 0.64 mg IV now c. Find the amount to administer. (Round to the nearest hundredth) (Weight in pound)(height in inches) 3. Given m 2 BSA = 3131 Find the BSA of a patient who weighs 201 lb and is 5 ft 5 inches tall. Round your answer to two decimal places. Write down the appropriate unit. B 5

6 4. The doctor ordered 15 mg/m 2 Doxil IV q3wks to a patient who has BSA of 1.58 m 2. The drug label states that Doxil 2 mg/ml. How much do you administer? 5. Ordered: 1,500 ml NS over 7.5h (12 gtt/ml tubing) a. Calculate the original flow rate in gtt/min. (Round to the nearest ml) For some reason, after 3 hours 990 ml has infused. b. Calculate the adjusted flow rate in gtt/min. c. Does the adjustment exceed 25 percent? 6. Write a recipe to describe how you would prepare 1 L of D10W solution from D3W and D18W solutions. (Round to the nearest ml if necessary.) 7. Write a recipe to describe how you would prepare 1.2 L of 20% ethyl alcohol solution from 76% ethyl alcohol and sterile water. (Round to the nearest ml if necessary.) B 6

7 8. Perform the indicated operation to the correct number of significant digits Perform the indicated operation to the correct number of significant digits Suppose H3O = mole/l. + Given ph = log H3O, where H3O + Find the ph. is the hydronium ion concentration. 11. Given K W = = + 14 H3O OH Calculate _ (Round to 2 decimal places) + H3O if 12 OH = M. 12. Find the amount to administer. a. Ordered: Furosemide 24 mg IV bid On hand: Furosemide 40 mg/5 ml _ (Round to 2 significant figures) _ b. Ordered: Lidocaine HCL 75 mg IV On hand: Lidocaine HCL 0.5% _ c. Ordered: Cipro 185 mg PO q12h On hand: Cipro 250 mg/5 ml _ 13. Find the total volume in ml to administer. Ordered: 56 ml/h 0.45% NS for 10 h 13 min using a rate controller B 7

8 14. Your patient is to receive 1,500 ml of 0.45% NS. The flow rate is 36 drops per minute; the drop factor is 13 drops per milliliter. a. Find the total time to infuse. h min (Round to the nearest minute) b. If you start the infusion at 6:07 p.m., when will the infusion be completed? 15. Let w be the weight of the patient in kg. Then, the daily maintenance fluid needs based on weight are given by the following: 0 < w 10 w 100 ml 10 < w 20 [1,000 + (w 10) 50 ] ml 20 < w [1,500 + (w 20) 20 ] ml a. A patient weighs 86 kg. Find the flow rate of his IV in ml per hour to maintain fluids. b. A patient weighs 18 kg and has an oral intake of 580 ml. Find the flow rate of his IV in ml per hour to maintain fluids. 16. Find the flow rate in drops per minute that is equal to 46 ml/h when you are using 60 µgtt/ml microdrip tubing. B 8

9 Math 1020 Final B Part I Answers or 1.54 m 2 2a ml 2b. 42 units 3a. qid 3b. 3c. prn 3d. pc hours 5. 18/ % g ml 9a. 2 capsules 9b. 2 tablets 9c ml 10a < b. ambiguous 11. right: patient, drug, dose, time, route, technique, documentation, reason, to know, to refuse 12a. 1,050% 12b. XXIV 12c. 2,500 mg 12d. 360 mg or 400 mg 12e. 3 lb 2 oz 6 dr 12f. 35 kg 12g. 4,120 cc 12h. 16 fl. oz. 12i j. log 12k. 5 8 x y x = log Not safe. Math 1020 Final B Part II Answers C 2a. ENALAPRILAT 2b mg/ ml 2c ml m ml 5a. 40 gtt/min 5b. 23 gtt/min 5c. Yes D18W D3W 1 L of D10W (2 decimal places) (3 significant figures) M 12a. 3 ml 12b. 15 ml 12c. 3.7 ml ml 14a. 9 h 2 min 14b. 3:09 a.m. next day 15a. 118 ml/h 15 b. 34 ml/h µgtt/min 467 ml qsad 1 L 1.2 L of 20% ethyl alcohol solution 76% ethyl 316 ml Sterile water qsad 1.2 L B 9