We have done our best to simplify pharmacology by creating a thorough, easy-to-use and understand study plan using a comprehensive study guide and in-depth online tutorials to test knowledge and guide remediation for pharmacology and dosage calculations. Review Module Over 390 pages of content to help you master Pharmacology for NursingStudy with Quizlet and memorize flashcards containing terms like A nurse is caring for an adolescent who weighs 57 kg. What is the adolescent's daily maintenance fluid requirement? (Round the answer to the nearest whole number.), A charge nurse is reviewing techniques for a safe administration of medication to children with newly licensed nurse. which state should the nurse make?, A nurse is ... In this video, Cathy covers Dosage Calculation practice problems 6-9. You can download the practice questions and answer key and follow along as she explains...Additional Practice OB Dosage Calculations. Order: Administer magnesium sulfate 6 g bolus over 25 minutes, then 3 g/h On-hand: magnesium sulfate 40 g in 500 ml D5W a. What is the volume of solution required to administer the bolus? b. What is the rate in ml/hr for the bolus dose? c. What is the rate in ml/hr for the maintenance (hourly) dose?ATI Learn: Oral medications ATI Test: Dosage Calculation RN Adult Medical Surgical Online Practice Assessment 3. Dosage Calculation RN Nursing Care of Children Online Practice Assessment 3. ID: 17921261 Password: 27B6936D Dosage Calculation RN Mental Health Online Practice Assessment 3. ID: 17921260 Password: 22B5225DExam (elaborations) - Ati dosage calculations 3.0: dosages by weight 2023 questions and answers (verified a... 6. Exam (elaborations) - Dosage calculation practice problems 2023 questions and answers (verified answers)ATI Dosage Calculation Exam Test Practice. 4.0 (1 review) 1 mg = ? mcg. Click the card to flip 👆. 1000 mcg. Click the card to flip 👆. 1 / 20.13. Exam (elaborations) - Dosage calculation practice/24 questions with complete solutions. 14. Exam (elaborations) - Dosage calculations practice-66 questions and answers-a+ graded. 15. Exam (elaborations) - Dosage calculations final exam study guide/154 questions and answer/2023. 16.PHY201CMidterm 1 - midterm practice; In Class Unit 1 Notes; 00. Intro - This is the inrto to the physic 1 lab. Lab02 Motion in 1-Dim - This is lab 2 in physic 1. Hypertension; Ap-phys1 rotational-motion-multiple-choice 2017-03-20Drug and dosage practice problems for critical care meds, realistic problems, D/HxV, D/HxVxWt, D/HxVxWtx60 ... 436 Quiz 2 - ntes; 436 Quiz 3 - notes; 436 Midterm Material - notes; 436 Quiz 1 ... Ati. Preview text. Critical Care IV Calculations. Calculate the flow rate for a critical care drug that is to be delivered at 0 mg/min from a solution ...Quantity of the dose available (Quantity)= 100mg per 1 capsule. Equation: -Desired x Quantity/Have = X cap. -200mg x 1 cap/100mg = X (multiply then divide) -X = 2 capsules. Ratio and proportion example: Liquid Dosage. -Nurse is preparing to administer amoxicillin 0.25g PO every 8hr. Available oral suspension is 250mg/5mL.The Scholastic Reading Inventory practice test is a free resource made available by Scholastic Inc. for parents to use to gauge the reading and writing skills of their children.First, convert the patient weight to kilograms (kg) by dividing 180 pounds/2.2= 81.8181 kg. Now multiply the micrograms (mcg) ordered by weight in kg to determine the amount of medication to administer per minute: 81.8181 x 0.5 mcg = 40.9090 mcg/minute. Use this information as you set up your problem. 3.Study with Quizlet and memorize flashcards containing terms like A nurse is preparing to admin epinephrine 0.5 mg subcutaneous stat. available is epinephrine 1mg/ml. How many ml should the nurse admin? (round to the nearest tenth), a nurse is preparing to admin dextrose 5% in water (D5W) 500 ml IV to infuse over 8 hr. the drop factor of the manual IV tubing is 60 got/ml. the nurse should set ...There are 530+ nursing pharmacology practice questions in this nursing test bank. Nursing topics include medication administration, dosage calculations, general concepts about nursing pharmacology, cardiovascular drugs, antibiotics and anti-infectives, neurological medications, psychiatric medications, drugs for the respiratory system ...he unit of measurement you need to calculate? lb STEP 2: Set up an equation and solve for X, with X representing the amount of pounds. Cross multiply to solve for X. X 0.25 STEP 3: Round if necessary, using general rounding rules. You should also follow policies and procedures of your facility. For the purpose of this module, we will round to …Course. NURSING NUR 2349 Dosage Calculations. Get higher grades by finding the best NUR2349 notes available, written by your fellow students at Rasmussen College.Available is cephazolin powder 500 mg vial. The nurse reconstitutes the powder adding 2 mL of sterile water to yield a final concentration of cefazolin 225 mg/mL. How many mL should the nurse administer. (Round to the nearest tenth) 1.1 mL. A nurse is preparing to administer ribavirin 600 mg P.O. every 12 hr. Available is ribavirin 200 mg/tablet.ATI Medication Administration (Dosage Calculation) Flashcards | Quizlet. 5.0 (1 review) A nurse is preparing to administer sucralfate 1 g PO twice daily to a client. Available is …1 Tbsp. A nurse is preparing to administer 650 mg of acetaminophen syrup to a client. The amount available is acetaminophen syrup 160mg/5mL. How many tsp should the nurse administer per dose? 4 tsp. Study with Quizlet and memorize flashcards containing terms like A nurse is preparing to administer erythromycin ethylsuccinate 800 mg PO every 12 ...ATI Dosage Calculation Exam Test Practice Flashcards | Quizlet. 4.0 (1 review) 1 mg = ? mcg. Click the card to flip 👆. 1000 mcg. Click the card to flip 👆. 1 / 20. Flashcards. Learn. …1 Tbsp. A nurse is preparing to administer 650 mg of acetaminophen syrup to a client. The amount available is acetaminophen syrup 160mg/5mL. How many tsp should the nurse administer per dose? 4 tsp. Study with Quizlet and memorize flashcards containing terms like A nurse is preparing to administer erythromycin ethylsuccinate 800 mg PO every 12 ...ATI Dosage Calculation Exam Test Practice 4.0 (1 review) 1 mg = ? mcg Click the card to flip 👆 1000 mcg Click the card to flip 👆 1 / 20 Flashcards Learn Test Match Q-Chat Created by emmat0819 Terms in this set (20) 1 mg = ? mcg 1000 mcg 1 mcg = ? mg 0.001 mg 1 tsp = ? mL 5mL 1 tbsp = ? mL 15 mL 1 oz = ? mL 30 mL 1 cup (8oz)= ? mL 240 mL 1 lb = ? ozcalculation using a building block approach. Its constistent focus on safety, accuracy, and professionalism make it a valuable part of a course for nursing or allied health programs. It is also highly effective for independent study and may be used as a refresher for dosage calculation skills and as a professional reference. Features:Practice your math skills with each of these questions. An explanation will be provided for each answer that is incorrect. If you find these questions useful, click here to sign up for the dosage calculation question of the day and click here to tell a friend about DosageHelp.com . Question: Calculate the IV flow rate for 311,000 mcL of 0.9% ...The nurse pours 10 mL of Fakelixir (mixturezole difakate) into a medication cup. How much Fakelixir (mixturezole difakate) did the nurse pour into the medication cup? 700 MG The doctor orders a patient to take Fakelixir (mixturezole difakate) 350 mg PO BID.Dosage Calculations 30 Questions Practice Exam by Anna Curran. RN, BSN, PHN Results #1. Question 1: A patient is prescribed 500 mg of a medication. The medication is available in 250 mg tablets. How many tablets should the nurse administer? 0.5 tablets 0.5 tablets 1 tablet 1 tablet 2 tablets 2 tablets 4 tablets 4 tablets 2 tabletsA. 7 doses. B. 5 doses. C. 20 doses. D. 12 doses. The answer is C (20 doses). The total volume amount after reconstitution (meaning once the nurse has mixed the medication) is 100 mL. The label tells us that in 5 mL of this medication there are 350 mg. The patient needs to take 350 mg twice a day.Study with Quizlet and memorize flashcards containing terms like A nurse is preparing to administer olanzapine 7.5 mg po daily. available is olanzapine 2.5 mg tablets. how much per dose?, a nurse is preparing to administer clozapine 0.3 g po once daily to a client. the nurse should identify that this is equivalent to how many mg?, a nurse is preparing to administer chlorpromazine 30 mg IM to a ... 1,540 mL/day. Study with Quizlet and memorize flashcards containing terms like A nurse is preparing to administer dexamethasone 0.3 mg/kg/day PO divided in equal doses every 12 hr to a school-age child who weighs 50 lb. Available is dexamethasone oral solution 0.5 mg/5 mL. How many mL should the nurse administer per dose?, A nurse is caring for ...Dose nurse should administer = desired = 0.2 g. Dose available = Have = 100 mg. 1 g = 1000 mg. 0.2g = 200 mg. quantity / have x conversion (have) / conversion (desired) x desired. 1 cap / 100 mg x 1000mg / 1 g x 0.2 g. x =2 capsule. Study with Quizlet and memorize flashcards containing terms like 3 different methods for dosage …View Test prep - ATI Practice Assessment- Adult Med-Surg 2017B.pdf from LVN 12345 at National Career College. ... 13 min Test Date/Time Score Time Use Test 2/8/2019 2:32:00 AM 95.0% 13 min Dosage Calculation 2.0: Ratio and Proportion Module: Parenteral (IV) Medications Test Information: ...Quantity of the dose available (Quantity)= 100mg per 1 capsule. Equation: -Desired x Quantity/Have = X cap. -200mg x 1 cap/100mg = X (multiply then divide) -X = 2 capsules. Ratio and proportion example: Liquid Dosage. -Nurse is preparing to administer amoxicillin 0.25g PO every 8hr. Available oral suspension is 250mg/5mL.ATI Dosage Calculation 3.0: Pediatric Medications 4.3 (3 reviews) Flashcards Learn Test Match Q-Chat Get a hint A nurse is caring for an adolescent who weighs 57 kg. What is the adolescent's daily maintenance fluid requirement? (Round the answer to the nearest whole number.) Click the card to flip 👆 2240 ml/day Click the card to flip 👆 1 / 25The medication reference states the safe dosage range is 7.5 to 15 mg/kg/day divided every 12 to 24 hr. What is the maximum safe dose the nurse should administer. 1200 mg/day. a nurse is converting an infants weight from lb to kg. If the infant weighs 6lb 2 oz, what is the infants weight in kg. 2.8kg.Practice material for dosage calculation exam dosage calcula ons final exam version key answer 11. medica on order: lidocaine, con nuous infusion at on theFree practice tests for the TABE can be found on online resources like the testprepreview, studyguidezone and proprofs websites. This test is designed to assess the test taker’s abilities with math, reading comprehension and usage of the En...Toddler growth and development ATI Template. Pediatric Nursing. Assignments. 98% (51) 13. Peds Proctored 2019. Pediatric Nursing. Assignments. 97% (36) 11. Failure to Thrive ... Pediatric Dosage Calculation Practice Questions Answer Key. University: Keiser University. Course: Pediatric Nursing. 260 Documents. Students shared 260 documents …Set preview. Learn dosage calculations fundamentals with free interactive flashcards. Choose from 5,000 different sets of dosage calculations fundamentals flashcards on Quizlet.Practice your math skills with each of these questions. An explanation will be provided for each answer that is incorrect. If you find these questions useful, click here to sign up for the dosage calculation question of the day and click here to tell a friend about DosageHelp.com . Question: Calculate the IV flow rate for 311,000 mcL of 0.9% ...A nurse is preparing to administer dextrose 5% in water (D5W) 1 L IV to infuse over 12 hr. The drop factor of the manual IV tubing is 15 gtt/mL. The nurse should set the manual IV infusion to deliver how many gtt/min? 21 gtt/min. A nurse is preparing to administer 0.9% sodium chloride (0.9% NaCl) 1 L to infuse over 5 hr. We have done our best to simplify pharmacology by creating a thorough, easy-to-use and understand study plan using a comprehensive study guide and in-depth online tutorials to test knowledge and guide remediation for …Mike T. ATI Dosage Calculations Practice Exam AnswersDosage Calculations Practice Exam Answers Top of Form 1. A client with cardiogenic shock weighs 220 lb and is receiving dopamine at the rate of 3 mcg/kg/minute. The solution strength available is dopamine 400 mg in 250 ml of D5W. The nurse should set the infusion pum.The Dosage Calculation Workbook & Digital Companion provides the most complete, flexible approach available to help you master dosage calculation.It is built to help you learn YOUR way. The workbook & digital companion combine written instructions, practice problems, video instruction, step-by-step practice problem explanations, and reference …Study with Quizlet and memorize flashcards containing terms like A nurse is preparing to administer erythromycin ethylsuccinate 800 mg PO every 12 hr. Available is erythromycin ethylsuccinate suspension 400mg/5mL. How many mL should the nurse administer per dose?, A nurse is preparing to administer regular insulin 15 units and isophane insulin 40 …The quiz will cover the content described in this letter as well as additional content that will be presented during class time. You must complete dosage calculation quiz with a 90% or greater. The first grade on the dosage quiz counts as 10% of course grade. Students who receive less than 90% will need to retake the exam.Master the challenge of clinical math to improve your confidence and proficiency by using a systematic approach to medical calculations with the Dosage Calculation and Safe Medication Administration 3.0 online tutorial and PN online practice assessments.</p> <p> </p> <p>9 Modules / ~18 hours / ~300 drill questions</p> <p>5 Assessments / 25 questions each with rationales</p> <p> </p ...Are you preparing to take the TOEFL exam? If so, you’re probably aware of how important it is to practice before the big day. One of the best ways to do this is by taking free TOEFL practice tests online.Chamberlain College Of Nursing. ATI Maternal Newborn Dosage Calculation. Get higher grades by finding the best ATI Maternal Newborn Dosage Calculation. notes available, written by your fellow students at Chamberlain College of Nursing.Let's calculate: 1. First, determine the total amount of Sulfasalazine needed for one dose: 500 mg (doctor's order) = 0.5 grams (since 1 gram = 1000 mg) 2. Next, calculate how many tablespoons (tbsp) are needed to achieve this dose: 0.5 grams ÷ 1.5 grams per tbsp = 1/3 tbsp. 3.This nursing test bank set includes 100+ questions. Included topics are dosage calculation, metric conversions, unit conversions, parenteral medications, and fluid input and output. As you can tell, this NCLEX practice exam requires tons of calculations, so get your calculators ready! Remember to answer these questions at your own pace, and don ...Study with Quizlet and memorize flashcards containing terms like A nurse is preparing to administer erythromycin ethylsuccinate 800 mg PO every 12 hr. Available is erythromycin ethylsuccinate suspension 400mg/5mL. How many mL should the nurse administer per dose?, A nurse is preparing to administer regular insulin 15 units and isophane insulin 40 …PHY201CMidterm 1 - midterm practice; In Class Unit 1 Notes; 00. Intro - This is the inrto to the physic 1 lab. Lab02 Motion in 1-Dim - This is lab 2 in physic 1. Hypertension; Ap-phys1 rotational-motion-multiple-choice 2017-03-20Practice your math skills with each of these questions. An explanation will be provided for each answer that is incorrect. If you find these questions useful, click here to sign up for the dosage calculation question of the day and click here to tell a friend about DosageHelp.com . Question: Calculate the IV flow rate for 311,000 mcL of 0.9% ... Get higher grades by finding the best ATI DOSAGE CALCULATIONS. notes available, written by your fellow students at Chamberlain College of Nursing. ... Exam. Exam. Qualifications; CFA - Chartered Financial Analyst; CPA - Certified Public Accountant; IELTS - International English Language Testing System; TOEFL - Test of English as a Foreign …Dosage calculations made easy for nursing students and nurses using dimensional analysis: comprehensive NCLEX review of drug calculations (nursing math).In t...Oct 3, 2023 · This nursing test bank set includes 100+ questions. Included topics are dosage calculation, metric conversions, unit conversions, parenteral medications, and fluid input and output. As you can tell, this NCLEX practice exam requires tons of calculations, so get your calculators ready! Remember to answer these questions at your own pace, and don ... A nurse is preparing a medication and calculates the dosage as 1.42 mL. Rounding this amount to he nearest tenth, the nurse should administer how many mL? 1.4 mL. A nurse is preparing to administer codeine 30 mg PO every 4 hr PRN for pain. The client last received the medication at 1 p.m.ATI Dosage Calculation 3.0: Pediatric Medications. 4.3 (3 reviews) Flashcards. Learn. Test. Match. Q-Chat. Get a hint. A nurse is caring for an adolescent who weighs 57 kg. …ATI Policy ATI ASSIGNMENT 1: Dosage Calculation Fundamentals Tutorials & Quiz Banks Dosage Calculation and Safe Medication Administration 3.0 is an interactive, media-rich, online tutorial that is designed to provide curricular support for faculty and help students learn the basics of safe medication administration. The Dosage Calculation series …In this section are the practice problems and questions for nursing dosage calculations. This nursing test bank set includes 100+ questions. Included topics are dosage calculation, metric conversions, unit conversions, parenteral medications, and fluid input and output. As you can tell, this NCLEX practice … See moreAre you preparing to take the Duolingo English Practice Test? If so, you’ll want to make sure you’re as prepared as possible. Here are some top tips to help you get ready for your test.1.5 mL A nurse is to administer 30 mg of furosemide (Lasix) to a client with congestive heart failure (CHF). The vial contains 40 mg/mL. Which is the correct dose to administer? 0.75 mL The nurse is providing discharge teaching for a client who has been prescribed 600 mg of an oral liquid medication.A nurse is preparing to administer dextrose 5% in water (D5W) 500 ml IV to infuse over 45 min to a client. The nurse should set the IV pump to deliver how many ml/hr/. 667. A nurse is preparing to administer nitroprusside 4 mcg/kg/min by continuous IV infusion to a client who weighs 57 kg. Available is nitroprusside 50 mg in 250 ml dextrose 5% ... This quiz will test your knowledge on iv reconstitution calculation problems for dosage and calculation courses. 1. The doctor's order says: Vancomycin 2,000 mcg IV. The instructions on the vial of Vancomycin says to reconstitute with sterile water for a concentration of 2mg/ml then to dilute each 2 mg in 75 ml of sterile Normal Sale.ATI Dosage Calculations Practice-Answer Key 1. Furosemide 50mg IV push now. Available: Furosemide 40mg/10mL How many mL will you give? Answer 12.5 2. …Dosage and Calculations Practice Test 1. The nurse is administering mannitol to the client with a head injury. The order reads 1,000 mL IVPB over 6 hours. At which rate should the nurse administer the medication via a pump? Answer: _______ mL per hour. 2. The client diagnosed with bacterial endocarditis is prescribed gentamicin IV piggyback (IVPB).the solution for ___hours. 8hr. The order is for 6000 ml of IV solution to run over a 24 hour period. The drop factor of. the I.V tubing is 10 gtts/ml. You would infuse _____gtts/min. 42gtt/min. Your patient weighs 75 kg and you are ordered to infuse 250 mg dobutamine in 500 ml. NS at 10 mcg/kg/min. NUR2755 Dosage Calculation Practice Quiz with Answer Key (2) University: Rasmussen University. Course: mdc IV (NUR2755) 328 Documents. Students shared 328 documents in this course. Info More info. Download. Save. 1. A medicatio n order st at es, admini ster v anc omy cin 1000 mg in 500 mL D5W I V to .A safe dose is 310.8-558.2 mg/day. C. No, this is not a safe dose. A safe dose is 327.3-392.7 mg/day. 5. Doctor orders an IV drip of Dopamine for a child that weighs 78 lbs. The safe dosage range for this medication is 5-20 mcg/kg/min.Practice materials. 100% (5) 1. Raloxifene (Medication ALT) Adult Nursing I (NURS 1505) Summaries. ... ATI Proctor Script Dosage Calculation RN Adult Medical Surgical Proctored Assessment 3. ... You understand and agree that any misconduct or fraudulent activity committed by you in connection with ATI exams may result in invalidation of your ...Available is gentamicin injection 40 mg/ml. How many mL should the nurse administer per dose? (Round the answer to the nearest tenth. 1.1. A nurse is preparing to administer prednisolone 0.1 mg/kg/day PO, divided equally into four doses to a child who weighs 44 lbs. Available is prednisolone oral solution 5 mg/5 ml.ATI Dosage Calculation Exam Test Practice 4.0 (1 review) 1 mg = ? mcg Click the card to flip 👆 1000 mcg Click the card to flip 👆 1 / 20 Flashcards Learn Test Match Q-Chat Created by emmat0819 Terms in this set (20) 1 mg = ? mcg 1000 mcg 1 mcg = ? mg 0.001 mg 1 tsp = ? mL 5mL 1 tbsp = ? mL 15 mL 1 oz = ? mL 30 mL 1 cup (8oz)= ? mL 240 mL 1 lb = ? ozPractice your math skills with each of these questions. An explanation will be provided for each answer that is incorrect. If you find these questions useful, click here to sign up for the dosage calculation question of the day and click here to tell a friend about DosageHelp.com . Question: Calculate the IV flow rate for 311,000 mcL of 0.9% ...Select all that apply. Provide client education about the medication. Check the expiration date of the medication. Verify the dosage of the medication. Ask the client if they have any allergies. A nurse is preparing to administer a high - alert pain medication to a client.Master the challenge of clinical math to improve your confidence and proficiency by using a systematic approach to medical calculations with the Dosage Calculation and Safe Medication Administration 3.0 online tutorial and PN online practice assessments. 9 Modules / ~18 hours / ~300 drill questions</p> <p>5 Assessments / 25 questions each with rationales</p> <p> </p> <p>Reason and problem ...We need per dose so divide by 2. 125 mg 1 kg day 12/2 = 6 ml/dose. 0 ml. Solumedrol 1 mg/kg is ordered for a child weighing 73 lbs. Solumedrol is available as 75 mg/ 1 ml is available. How many ml must the nurse administer? Convert 73 lbs 33 kg. Start with ml. 1 ml 1 mg 33 kg _____ = _____ = 0 ml 75 mg 1 kg. 6 ml/dose. A pediatric client weighs ...Dosage Calculation 3. Safe Dosage Test 100% Total Time Use: 32 min Dosage Calculation 3 Safe Dosage Test - History Date/Time Score Time Use Dosage Calculation 3 Safe Dosage Test 1/29/2023 …63 gtt/min. A nurse is preparing to administer vancomycin 1 g every 12 hr. Available it vancomycin injection 1 g in 0.9% sodium chloride (0.9% NaCI) 250 mL to infuse over 60 min. The nurse should set the IV pump to deliver how many mL/hr. (Round the answer to the nearest whole number. Use a leading zero if it applies.Maternal Newborn Dosage Calculation. Question #: 1. The client is receiving regular insulin at 6 units per hour via IV pump. The bag is labeled NS 500 mL with 50 units Regular insulin. What rate in mL/hr. is the nurse to set the infusion pump? 60 mL/h. Question #: 2. The client is to receive Heparin at 800 units/hr. The bag is 1000 mL D5W with ...NUR2755 Dosage Calculation Practice Quiz with Answer Key (2) University: Rasmussen University. Course: mdc IV (NUR2755) 328 Documents. Students shared 328 documents in this course. Info More info. Download. Save. 1. A medicatio n order st at es, admini ster v anc omy cin 1000 mg in 500 mL D5W I V to .Dosage and Calculation Module: Level 2 Medical-Surgical Nursing Revised 11/12/ Dosage and Calculation Module for Level , A nurse is converting an infant's weight from lb and oz to kg. The infant weighs 13 lb 8 oz, Terms in this set (8) What is the base unit used to measure weight? kilograms (kg) also gram, Notes - Chamberlain College of Nursing - Stuvia US. Chamberlain College Of Nursing. ATI DOSAG, NUR2755 Dosage Calculation Practice Quiz with Answer Key (2) University: Rasmussen University, We need per dose so divide by 2. 125 mg 1 kg day 12/2 = 6 ml/dose. 0 ml. Solumedrol 1 mg/kg is ordered, Multiple Factor Dosage Calculation Practice Problems. Order: 500 mg of medication in 1000 mL of , Dosages are often listed by how much should be adminis, Study with Quizlet and memorize flashcards containin, In this video, Cathy covers Dosage Calculation pract, How many tablets in one day? 196/56 = 3.5 tablets per dose. , 500 mcg. Study with Quizlet and memorize flashcards containing , Written for specific circumstances and/or for specifi, Heparin Drip Practice Calculation Problems for Nur, Set preview. Learn dosage calculations fundamentals with free int, 1.9 mL. A provider prescribes methyl prednisone 120 m, 63 gtt/min. A nurse is preparing to administer vancomycin 1 g e, 11 studiers recently. ATI Safe Dosage and Calculation.