Dosage Calc 1
Dosage Calc 2
Dosage Calc 3
Immune System Medications
Medications for Infection
Miscellaneous
100
The nurse calculates the dosage to be 1.4838 mg.
Following the rounding rules, the nurse will administer __________ mg.
1.5 mg
100
The nurse has an order for the following:
Cefotetan 50mg/kg/day in equal doses to be given every 12 hours.
Client Weight: 33 lbs
Available: 500mg/10ml
The nurse will administer how many ml's for one dose?
7.5ml
Remember to look to ensure your weight is in kg (convert if needed)
Find the total dose for the day and then think about what one dose will be based on the order
Do the calculation with what you have available.
100
Weight=30 kg
The nurse will set the pump to deliver ____ ml/hr to meet the daily fluid requirement. (Round to the whole number)
Answer=71ml/hr
Hint
First calculate out the total fluid requirement
10 x100=1000ml
10x 50=500 ml
10 x 20=200 ml
Total volume =1700. Now divide by 24 for the hourly rate=70.833333
Round to the whole number=71 mL/hr
100
A client with HIV is pregnant and is prescribed Zidovudine. What do we know about the treatment regime for a pregnant client on this medication?
When given to pregnant clients, the oral dose is typically given 5 times daily from 14 weeks until delivery. During delivery, administer an IV infusion until the neonate is delivered and the cord is clamped.
100
A client taking Imipenem develops severe watery diarrhea with abdominal pain. Stool culture returns positive for Clostridium difficile. The nurse anticipates what medication and route for the treatment of diarrhea?
Oral Vancomycin
100
The nurse has the following order:
Potassium Chloride 60mEq orally daily
Available: Potassium Chloride 20mEq/15ml
How many mL will the nurse administer? (Round to the nearest tenth)
Answer=45 mL
200
The nurse calculates the dosage to be 0.1894 mg.
Following the rounding rules, the nurse will give _____ mg?
0.19mg
200
The nurse has an order to give a 20ml/kg bolus over 2 hours.
Weight 25 lbs
The nurse will administer how many ml/hr? (round to the nearest whole number)
Answer: 114 ml/hr
Convert lbs to kg= 25 lbs =11.363636 kg
20ml per Kg= 227.272727 total volume
Divide by 2 hours=113.636363
Round to the whole number=114 mL per hour
200
The nurse has the following order:
Albumin 150ml over 1 hour
IV tubing drip factor is 60gtt/ml
The nurse will administer _____ gtt/min (Round to the whole number)
Answer: 150
Hint: Remember the equation
Volume (ml)/Time(min) x gtt factor
150ml/60 =2.5 x gtt factor (60) = 150 gtt/ml
200
What are labs that need to be watched when a patient is receiving Zidovudine?
Answer: Medication causes bone marrow suppression (think neutropenia or low white count and severe anemia or low hgb and hct)
Expected orders: If hgb is low can expect to reduce dose, administer epoetin alfa and potential blood transfusion
Remember that filgrastim will treat a low WBC ( epoetin treats low RBC's)
200
The nurse is providing discharge teaching to a patient in the ER who will be discharged on metronidazole. What is an important topic to be included in the teaching?
Avoid substances that contain alcohol. This avoids a disulfiram reaction.
200
What are key points to include when educating a client who has a new prescription of ritonavir for HIV infection?
1. Risk of atherosclerosis and impact on cholesterol/triglycerides: Lifestyle modifications of low fat/low cholesterol diet
2. Medication may reduce bone density-reduce risk with weight bearing exercise, intake of sources of calcium and Vitamin D
3. Risk of liver toxicity-report abdominal pain, decreased appetite and jaundice
4. Risk of hyperglycemia-signs of increased blood sugar thirst, hunger and increased urination
300
The nurse is caring for an infant who weighs 7lbs. 4 ounces.
The nurse calculates the weight into kg and obtains _____? Round to the nearest tenth.
Answer
3.2954545
Rounds to 3.3 kg
300
The nurse has the following order:
Diazepam 0.4mg orally daily
Available: Diazepam 0.2 mg tablet
The nurse will administer _____ tablets?
2 tablets
300
Calculate the BSA for the following (round to the nearest hundredth)
Weight: 12 kg
Height: 38cm
BSA=0.36
300
What are key teaching points for a patient who is going to be taking Enfuvirtide?
Key points are:
SQ administration, once or twice daily depending on prescription
Inject sterile water to reconstitute, gently roll and then let sit to allow the solution to become completely clear and without particulate matter
Refrigerate unused portion and allow to come to room temp before injecting
Review correct sites to inject: anterior thigh, upper arm, abdomen
300
The nurse is preparing Nystatin liquid to give to a client who has a diagnosis of oral candida infection (thrush). How will the nurse administer this medication?
Instruct to swish around the mouth and then swallow
300
A nurse working on the medical surgical floor has a new order for gentamycin for a client she is caring for. She understands that this medications is:
1. Toxic to what particular body system?
2. Based on that system what lab work will she monitor for?
3. She expects orders for peak and trough blood levels. When will they be drawn?
1. Gentamycin is nephrotoxic (hard on the kidneys)
2. Based on that, the nurse will closely monitor baseline creatinine, as well as frequent monitoring of ordered BUN and Creatinine levels
3. Peak levels are drawn 30 minutes after completion of an IV infusion
Trough levels are drawn approximately 30 minutes to 1 hour before the dose is given
400
The nurse has an order to run 1000ml of D5LR over 8 hours.
The nurse will set the pump to deliver _____ ml/hr
125 ml/hr
400
Order: Erythromycin 350mg IV every 8 hours. The nurse adds the directed 10 ml of solution to the vial
The nurse will administer how many ml of erythromycin to give the ordered dose?
Answer 7.5ml
400
The nurse has the following order
Dopamine to run at 5mg/min
Available Solution: Dopamine 4mg/ml
The nurse will set the IV pump to deliver ____ ml/hr.
Answer: 75 mL
Hint
First calculate the hourly dose
5mg/min x 60 min=300mg/hr
Now set up the equation
Available 4mg/ 1ml
Ordered 300mg/X ml
X=75 mL
400
A patient has been prescribed Delavirdine what is a frequent side effect and what can this side effect develop into?
Rash is a frequent side effect of Delavirdine
Can develop into Steven's Johnson's Syndrome which is rash with a fever, lesions in mouth or eyes, blisters and muscle pain
400
The nurse is providing teaching to a patient who is being prescribed tetracycline. What should be included in the instructions?
Take the medicine on an empty stomach.
(Key point-remember it is best absorbed on an empty stomach, if it is not tolerated it can be taken with food, however, absorption is best if the stomach is empty)
400
A nurse working in an infusion center will be caring for a client who is scheduled to have an acyclovir infusion. Based on her knowledge of the medication, outline key care plan points for this client.
1. IV medication can cause tissue necrosis if extravasation occurs. Watch IV site closely and discontinue and change if swelling occurs.
2. Medication is nephrotoxic-We can anticipate that orders for IV hydration during and for 2 hours after infusion. Check baseline BUN and Creatinine and will monitor throughout treatment phase
3. If patient is changed to the oral form of medication instruct to watch for CNS symptoms (restlessness, tremors and psychosis)
500
The nurse has an order to administer 500ml of NS over 2 hours.
How many ml/hr will the nurse set the pump to deliver?
250 ml
500
Weight is 20kg
The nurse will administer ____ ml to meet the daily IV fluid maintenance requirement?
Answer=1500ml
Hint: First 10kg=100ml/kg
Second 10kg=50ml/kg
Anything over 20kg=20ml/kg
500
Order:
Heparin 20 units/kg/hr.
Weight: 70 kg
Available: Heparin 25,000 units in 250ml NS
The nurse will set the IV pump to deliver ___ ml/hr
Answer: 14 mL/hr
Hint:
First find the dose
70kg x 20 units/kg =1400units
Now set up the equation
25000 units/250ml =1400units/X ml
X =14 mL
500
A patient is being prescribed Raltegravir for an HIV infection
The nurse knows the following populations are contraindicated to take this medication.
Raltegravir is contraindicated in patients under the age of 16 and it is not a first line HIV treatment option. Meaning it is not the first drug prescribed for a person newly diagnosed with HIV
500
A patient receiving a first dose of Amoxicillin is being observed in the emergency department. They develop sudden shortness of breath and wheezing. The nurse anticipates and prepares to administer what medication?
Epinephrine
500
A patient in the family practice clinic is being prescribed Ciprofloxacin for a urinary tract infection. The patient is an avid runner and states they love to be at the beach all day. The nurse provides which of the following instructions?
1. Monitor for side effect of Achilles tendon rupture (report pain in the back of heel or ankle)
2 Cipro can have a phototoxic reaction of severe sunburn, rash, itching and hives. Avoid sunlight, wear clothing that covers skin, use sunscreen on skin that is exposed