TMS (Test für Medizinische Studiengänge) practice · Quantitative and Formal Problems

Dosage, Units and Rates

71 practice questions, each with the answer and an explanation.

Practise Dosage, Units and Rates now

Random questions from this topic, one at a time. You see the answer and the explanation straight after each one.

All 71 questions

  1. How many milligrams are in 0.25 g?
  2. A patient weighs 70 kg and the dose is 5 mg per kg. What is the dose?
  3. An infusion of 500 mL must run for 4 hours. What is the rate in mL per hour?
  4. A solution contains 20 mg of a drug per mL. How many mL give a dose of 150 mg?
  5. A 2 percent (w/v) solution contains 2 g per 100 mL. How much solute is in 250 mL?
  6. A 10 percent solution of 200 mL is diluted with water to a 4 percent solution. How much water must be added?
  7. A heart beats 72 times per minute. About how many beats is that in one day?
  8. A car travels at 36 km/h. What is that speed in metres per second?
  9. A saline solution contains 0.9 percent sodium chloride (w/v). How many grams are in one litre?
  10. An IV set delivers 20 drops per mL. The doctor orders 120 mL per hour. How many drops per minute?
  11. A person weighs 80 kg and is 1.60 m tall. What is the body mass index (kg divided by height in m squared)?
  12. A drug has a half-life of 6 hours. What fraction remains after 24 hours?
  13. Two substances are mixed in the ratio 3 to 5 to make 40 mL. How much of the first substance is used?
  14. A bottle holds 0.75 L. How many 25 mL doses can be taken from it?
  15. An adult needs 2 mg per kg per day, divided into three equal doses. Each dose for a 60 kg adult is how many mg?
  16. How many millilitres are there in 3.2 litres?
  17. An infusion set delivers 20 drops per ml. How many drops per minute are needed to give 200 ml in 40 minutes?
  18. An infusion set delivers 20 drops per ml. How many drops per minute are needed to give 500 ml in 120 minutes?
  19. 20 g of salt are dissolved in water to make 400 ml of solution. What is the concentration in g per 100 ml?
  20. A syrup contains 250 mg of a drug in 5 ml. How many ml contain a dose of 500 mg?
  21. A syrup contains 125 mg of a drug in 5 ml. How many ml contain a dose of 250 mg?
  22. A syrup contains 40 mg of a drug in 5 ml. How many ml contain a dose of 120 mg?
  23. A patient needs 300 mg of a drug. Each tablet contains 50 mg. How many tablets are needed?
  24. A 20 % solution (25 ml) is diluted to a 4 % solution. What is the final volume?
  25. An infusion set delivers 20 drops per ml. How many drops per minute are needed to give 250 ml in 60 minutes?
  26. An infusion set delivers 20 drops per ml. How many drops per minute are needed to give 500 ml in 240 minutes?
  27. How many grams are there in 0.35 kg?
  28. A patient needs 250 mg of a drug. Each tablet contains 50 mg. How many tablets are needed?
  29. A patient needs 600 mg of a drug. Each tablet contains 50 mg. How many tablets are needed?
  30. 30 g of salt are dissolved in water to make 500 ml of solution. What is the concentration in g per 100 ml?
  31. An infusion of 200 ml is given over 4 hours. What is the flow rate in ml per hour?
  32. An infusion of 1500 ml is given over 12 hours. What is the flow rate in ml per hour?
  33. Express 45 ml in litres.
  34. Express 250 mg in grams.
  35. How many millilitres are there in 0.04 litres?
  36. An infusion of 1000 ml is given over 8 hours. What is the flow rate in ml per hour?
  37. An infusion set delivers 15 drops per ml. How many drops per minute are needed to give 100 ml in 30 minutes?
  38. A syrup contains 25 mg of a drug in 5 ml. How many ml contain a dose of 75 mg?
  39. A drug is prescribed at 20 mg per kg of body weight. How many mg should a patient weighing 12.5 kg receive?
  40. A 30 % solution (10 ml) is diluted to a 3 % solution. What is the final volume?
  41. How many grams are there in 0.075 kg?
  42. How many grams are there in 2.4 kg?
  43. A drug is prescribed at 15 mg per kg of body weight. How many mg should a patient weighing 20 kg receive?
  44. Express 1500 mg in grams.
  45. 5 g of salt are dissolved in water to make 250 ml of solution. What is the concentration in g per 100 ml?
  46. An infusion of 750 ml is given over 6 hours. What is the flow rate in ml per hour?
  47. A patient needs 200 mg of a drug. Each tablet contains 50 mg. How many tablets are needed?
  48. How many milligrams are there in 0.5 g?
  49. A drug is prescribed at 5 mg per kg of body weight. How many mg should a patient weighing 45 kg receive?
  50. 45 g of salt are dissolved in water to make 150 ml of solution. What is the concentration in g per 100 ml?
  51. Express 40 micrograms (mcg) in milligrams.
  52. A drug is prescribed at 10 mg per kg of body weight. How many mg should a patient weighing 60 kg receive?
  53. Express 250 ml in litres.
  54. A 10 % solution (50 ml) is diluted to a 2 % solution. What is the final volume?
  55. A 12 % solution (25 ml) is diluted to a 3 % solution. What is the final volume?
  56. A drug is prescribed at 12 mg per kg of body weight. How many mg should a patient weighing 70 kg receive?
  57. An infusion of 250 ml is given over 2 hours. What is the flow rate in ml per hour?
  58. A syrup contains 100 mg of a drug in 10 ml. How many ml contain a dose of 300 mg?
  59. Express 75 micrograms (mcg) in milligrams.
  60. How many milligrams are there in 0.04 g?
  61. An infusion of 500 ml is given over 4 hours. What is the flow rate in ml per hour?
  62. 9 g of salt are dissolved in water to make 1000 ml of solution. What is the concentration in g per 100 ml?
  63. How many grams are there in 5.5 kg?
  64. Express 750 ml in litres.
  65. A 50 % solution (20 ml) is diluted to a 5 % solution. What is the final volume?
  66. Express 1800 ml in litres.
  67. A 8 % solution (10 ml) is diluted to a 2 % solution. What is the final volume?
  68. 12 g of salt are dissolved in water to make 600 ml of solution. What is the concentration in g per 100 ml?
  69. A drug is prescribed at 25 mg per kg of body weight. How many mg should a patient weighing 8 kg receive?
  70. An infusion set delivers 15 drops per ml. How many drops per minute are needed to give 1000 ml in 480 minutes?
  71. A syrup contains 80 mg of a drug in 5 ml. How many ml contain a dose of 160 mg?

Keep practising

More TMS (Test für Medizinische Studiengänge) practice topics

All TMS (Test für Medizinische Studiengänge) practice practice →

Ready for the full TMS (Test für Medizinische Studiengänge) practice test?

Take a mock testTMS (Test für Medizinische Studiengänge) practice hub