Deck 5: Calculating Complex Volumes

Question 1

Mrs Ellie Collins has been admitted to the ward for abdominal surgery in the morning. She has informed the medical officer that she smokes 25 cigarettes each day and has been on the contraceptive pill for 10 years. You have been asked to follow through with her care for the next two days, with some guidance from the registered nurse.
-Nitrazepam (Mogadon), 10 mg, has been ordered to help her to sleep. Stock is 5 mg scored tablets. The number of tablets that she should be given is

A) 1/2 a tablet
B) 1 tablet
C) 1 1/2 tablets
D) 2 tablets

Answer 1

D

Question 2

Mrs Ellie Collins has been admitted to the ward for abdominal surgery in the morning. She has informed the medical officer that she smokes 25 cigarettes each day and has been on the contraceptive pill for 10 years. You have been asked to follow through with her care for the next two days, with some guidance from the registered nurse.
-Next morning after handover, her premedication is due. She is to have 80 mg of pethidine and 400 mcg of Atropine. Pethidine is available as 100 mg/2 ml. The volume required for
This order is

A) 1.9 ml
B) 1.8 ml
C) 1.7 ml
D) 1.6 ml

Answer 2

D

Question 3

Mrs Ellie Collins has been admitted to the ward for abdominal surgery in the morning. She has informed the medical officer that she smokes 25 cigarettes each day and has been on the contraceptive pill for 10 years. You have been asked to follow through with her care for the next two days, with some guidance from the registered nurse.
-Atropine is available as 0.5 mg/ml. The volume required for this order is

A) 0.2 ml
B) 0.4 ml
C) 0.6 ml
D) 0.8 ml

Answer 3

D

Question 4

Mrs Ellie Collins has been admitted to the ward for abdominal surgery in the morning. She has informed the medical officer that she smokes 25 cigarettes each day and has been on the contraceptive pill for 10 years. You have been asked to follow through with her care for the next two days, with some guidance from the registered nurse.
-An intravenous infusion is established. 1 L of 0.9% sodium chloride is to infuse over 6 hours. The ml/hour that will be run into the burette is

A) 125
B) 152
C) 167
D) 176

Question 5

Mrs Ellie Collins has been admitted to the ward for abdominal surgery in the morning. She has informed the medical officer that she smokes 25 cigarettes each day and has been on the contraceptive pill for 10 years. You have been asked to follow through with her care for the next two days, with some guidance from the registered nurse.
-The drop factor for the giving set is 20 drops/ml. The number of drops/minute that will be delivered from this order is

A) 42
B) 51
C) 56
D) 59

Question 6

Mrs Ellie Collins has been admitted to the ward for abdominal surgery in the morning. She has informed the medical officer that she smokes 25 cigarettes each day and has been on the contraceptive pill for 10 years. You have been asked to follow through with her care for the next two days, with some guidance from the registered nurse.
-Mrs Collins returns to the ward at 12.15. Her intravenous infusion is dripping at the rate of 66 drops/minute. The ml/hour that this rate of flow would deliver is

A) 167
B) 198
C) 206
D) 210

Question 7

Mrs Ellie Collins has been admitted to the ward for abdominal surgery in the morning. She has informed the medical officer that she smokes 25 cigarettes each day and has been on the contraceptive pill for 10 years. You have been asked to follow through with her care for the next two days, with some guidance from the registered nurse.
-You assist the registered nurses to set up a morphine infusion. Mrs Collins is to have 50 mg of morphine in a 50 ml solution. Morphine is available as 10 mg/ml, the volume required for this order is

A) 3 ml
B) 4 ml
C) 5 ml
D) 6 ml

Question 8

Mrs Ellie Collins has been admitted to the ward for abdominal surgery in the morning. She has informed the medical officer that she smokes 25 cigarettes each day and has been on the contraceptive pill for 10 years. You have been asked to follow through with her care for the next two days, with some guidance from the registered nurse.
-The solvent (sterile normal saline) required to complete this task is

A) 47 ml
B) 46 ml
C) 45 ml
D) 44 ml

Question 9

Mrs Ellie Collins has been admitted to the ward for abdominal surgery in the morning. She has informed the medical officer that she smokes 25 cigarettes each day and has been on the contraceptive pill for 10 years. You have been asked to follow through with her care for the next two days, with some guidance from the registered nurse.
-The concentration of this medicated solution is

A) 1 mg/ml
B) 3 mg/ml
C) 5 mg/ml
D) 7 mg/ml

Question 10

Mrs Ellie Collins has been admitted to the ward for abdominal surgery in the morning. She has informed the medical officer that she smokes 25 cigarettes each day and has been on the contraceptive pill for 10 years. You have been asked to follow through with her care for the next two days, with some guidance from the registered nurse.
-This morphine solution is to last for 20 hours. The volume/hour required to deliver this
Medicated solution in the prescribed time is

A) 2.5 ml
B) 3 ml
C) 3.5 ml
D) 4 ml

Question 11

Mrs Ellie Collins has been admitted to the ward for abdominal surgery in the morning. She has informed the medical officer that she smokes 25 cigarettes each day and has been on the contraceptive pill for 10 years. You have been asked to follow through with her care for the next two days, with some guidance from the registered nurse.
-Intravenous metoclopramide (Maxolon) 7.5 mg has been ordered for Mrs Collins's nausea. From available stock of 10 mg/2 ml, the volume she should be given is

A) 2 ml
B) 1.5 ml
C) 1 ml
D) 0.5 ml

Question 12

Mrs Ellie Collins has been admitted to the ward for abdominal surgery in the morning. She has informed the medical officer that she smokes 25 cigarettes each day and has been on the contraceptive pill for 10 years. You have been asked to follow through with her care for the next two days, with some guidance from the registered nurse.
-Subcutaneous Heparin, 5000 units, is ordered. Stock on hand is 25 000 units/ml. The volume required for this order is

A) 0.8 ml
B) 0.6 ml
C) 0.4 ml
D) 0.2 ml

Question 13

Mrs Ellie Collins has been admitted to the ward for abdominal surgery in the morning. She has informed the medical officer that she smokes 25 cigarettes each day and has been on the contraceptive pill for 10 years. You have been asked to follow through with her care for the next two days, with some guidance from the registered nurse.
-Mrs Collins asks for extra pain relief. She is permitted a bolus dose of 3 mg of morphine over a 3-minute period. The volume of fluid/hour (for 3 minutes only) that will deliver this dose is

A) 30 ml/hour
B) 45 ml/hour
C) 60 ml/hour
D) 75 ml/hour

Question 14

Mrs Ellie Collins has been admitted to the ward for abdominal surgery in the morning. She has informed the medical officer that she smokes 25 cigarettes each day and has been on the contraceptive pill for 10 years. You have been asked to follow through with her care for the next two days, with some guidance from the registered nurse.
-Her second bag of intravenous fluid, 5% dextrose, is due to commence. This 1 L bag is to last for 8 hours. The volume/hour required from this order is

A) 125 ml
B) 137 ml
C) 150 ml
D) 167 ml

Question 15

Mrs Ellie Collins has been admitted to the ward for abdominal surgery in the morning. She has informed the medical officer that she smokes 25 cigarettes each day and has been on the contraceptive pill for 10 years. You have been asked to follow through with her care for the next two days, with some guidance from the registered nurse.
-The number of drops/minute that will deliver this rate of flow is

A) 42
B) 46
C) 50
D) 56

Question 16

Mrs Ellie Collins has been admitted to the ward for abdominal surgery in the morning. She has informed the medical officer that she smokes 25 cigarettes each day and has been on the contraceptive pill for 10 years. You have been asked to follow through with her care for the next two days, with some guidance from the registered nurse.
-Next day when you return to duty, Mrs Collins's infusion is dripping at the rate of 30 drops/minute. From this rate of flow, she is receiving

A) 60 ml/hour
B) 90 ml/hour
C) 120 ml/hour
D) 150 ml/hour

Question 17

Mrs Ellie Collins has been admitted to the ward for abdominal surgery in the morning. She has informed the medical officer that she smokes 25 cigarettes each day and has been on the contraceptive pill for 10 years. You have been asked to follow through with her care for the next two days, with some guidance from the registered nurse.
-A 250 ml infusion of 0.9% sodium chloride containing 10 000 units of Heparin is to be set up. Stock available is 25 000 units/ml. The volume of Heparin required for this order is

A) 0.2 ml
B) 0.4 ml
C) 0.6 ml
D) 0.8 ml

Question 18

Mrs Ellie Collins has been admitted to the ward for abdominal surgery in the morning. She has informed the medical officer that she smokes 25 cigarettes each day and has been on the contraceptive pill for 10 years. You have been asked to follow through with her care for the next two days, with some guidance from the registered nurse.
-The Heparin solution is to infuse at the rate of 500 units/hour, via a volumetric pump. The volume/hour that will deliver this order is

A) 12.5 ml
B) 18 ml
C) 25 ml
D) 32 ml

Question 19

Mrs Ellie Collins has been admitted to the ward for abdominal surgery in the morning. She has informed the medical officer that she smokes 25 cigarettes each day and has been on the contraceptive pill for 10 years. You have been asked to follow through with her care for the next two days, with some guidance from the registered nurse.
-The number of hours that this infusion will last is

A) 5
B) 10
C) 15
D) 20

Question 20

Mrs Ellie Collins has been admitted to the ward for abdominal surgery in the morning. She has informed the medical officer that she smokes 25 cigarettes each day and has been on the contraceptive pill for 10 years. You have been asked to follow through with her care for the next two days, with some guidance from the registered nurse.
-The antibiotic flucloxacillin sodium (Flopen) 500 mg 6/26 has been ordered. Stock is equivalent to 0.25 g/capsules. The number of capsules/dose is

A) 4
B) 3
C) 2
D) 1

Question 21

Mr John Harris is a young man who has been admitted to the ward with severe Asthma and Pneumonia. On admission he has dyspnoea, is cyanotic and is using accessory muscles to breathe. His weight is 70 kg. Oxygen is commenced and an intravenous infusion established. You have been asked to care for him, with some guidance from the registered nurse.
-John is ordered a loading dose of intravenous Aminophylline, 200 mg. Stock available is 0.25 grams/10 ml. What volume is required for this order?

Question 22

Mr John Harris is a young man who has been admitted to the ward with severe Asthma and Pneumonia. On admission he has dyspnoea, is cyanotic and is using accessory muscles to breathe. His weight is 70 kg. Oxygen is commenced and an intravenous infusion established. You have been asked to care for him, with some guidance from the registered nurse.
-This medication is to be given over a 5-minute period. What volume/minute would deliver the ordered dose?

Question 23

Mr John Harris is a young man who has been admitted to the ward with severe Asthma and Pneumonia. On admission he has dyspnoea, is cyanotic and is using accessory muscles to breathe. His weight is 70 kg. Oxygen is commenced and an intravenous infusion established. You have been asked to care for him, with some guidance from the registered nurse.
-The antibiotic Mefoxin, 50 mg/kg/day, has been ordered, to be given 6/24. Calculate a single dose of this medication.

Question 24

Mr John Harris is a young man who has been admitted to the ward with severe Asthma and Pneumonia. On admission he has dyspnoea, is cyanotic and is using accessory muscles to breathe. His weight is 70 kg. Oxygen is commenced and an intravenous infusion established. You have been asked to care for him, with some guidance from the registered nurse.
-Mefoxin is available as 1 gram of powder in a 10 ml vial. Instructions accompanying the medication indicate that the 1 gram of powder will displace 0.5 ml on reconstitution. What volume of sterile fluid is required to reconstitute this medication to a concentration of 200 mg/ml?

Question 25

Mr John Harris is a young man who has been admitted to the ward with severe Asthma and Pneumonia. On admission he has dyspnoea, is cyanotic and is using accessory muscles to breathe. His weight is 70 kg. Oxygen is commenced and an intravenous infusion established. You have been asked to care for him, with some guidance from the registered nurse.
-What volume of medication should be dawn up for a single dose?

Question 26

Mr John Harris is a young man who has been admitted to the ward with severe Asthma and Pneumonia. On admission he has dyspnoea, is cyanotic and is using accessory muscles to breathe. His weight is 70 kg. Oxygen is commenced and an intravenous infusion established. You have been asked to care for him, with some guidance from the registered nurse.
-The Mefoxin is to be added to a 50 ml bag of 0.9% sodium chloride as a secondary line, and infused over a 40-minute period. The drop factor for this line is also 20 drops/ml. How fast should this medicated solution drip?

Question 27

Mr John Harris is a young man who has been admitted to the ward with severe Asthma and Pneumonia. On admission he has dyspnoea, is cyanotic and is using accessory muscles to breathe. His weight is 70 kg. Oxygen is commenced and an intravenous infusion established. You have been asked to care for him, with some guidance from the registered nurse.
-1 L of 5% dextrose is dripping at the rate of 60 drops/minute, via a drop factor of 20 drops/ml. What volume of fluid is he receiving every hour?

Question 28

Mr John Harris is a young man who has been admitted to the ward with severe Asthma and Pneumonia. On admission he has dyspnoea, is cyanotic and is using accessory muscles to breathe. His weight is 70 kg. Oxygen is commenced and an intravenous infusion established. You have been asked to care for him, with some guidance from the registered nurse.
-On completion of the Mexfoxin, a maintenance dose of Aminophylline is ordered. 360 mg of Aminophylline is to be added to a 250 ml of 0.9% sodium chloride and delivered at the rate of 10 mcg/kg/minute, via a volumetric pump. What volume/hour is required to deliver this order?

Question 29

Mr John Harris is a young man who has been admitted to the ward with severe Asthma and Pneumonia. On admission he has dyspnoea, is cyanotic and is using accessory muscles to breathe. His weight is 70 kg. Oxygen is commenced and an intravenous infusion established. You have been asked to care for him, with some guidance from the registered nurse.
-If this medicated infusion commenced at 09.30, when would you expect it to complete?

Question 30

Mr John Harris is a young man who has been admitted to the ward with severe Asthma and Pneumonia. On admission he has dyspnoea, is cyanotic and is using accessory muscles to breathe. His weight is 70 kg. Oxygen is commenced and an intravenous infusion established. You have been asked to care for him, with some guidance from the registered nurse.
-John is commenced on oral Prednisolone, 30 mg/day for the next 48 hours, to be given 4/24. If stock is 10 mg, scored tablets, how many tablets/dose should he be given?