A nurse is preparing to administer potassium chloride 30 mEq PO daily. The amount available is potassium chloride 20 mEq/15mL. How many mL should the nurse administer?
(Round the answer to the nearest tenth/whole number. Use a leading zero if it applies. Do not use a trailing zero.)
The Correct Answer is ["23"]
To determine how many milliliters (mL) of potassium chloride the nurse should administer to provide 30 mEq, we can set up a proportion:
20 mEq is contained in 15 mL. So, to find out how many mL contain 30 mEq, we can set up the proportion:
20 mEq:15 mL=30 mEq:? mL20mEq:15mL=30mEq:xmL
Cross multiply:
20×?=15×3020×x=15×30
20?=45020x=450
Now, solve for ?x:
?=45020x=20450
?=22.5x=22.5
So, the nurse should administer approximately 22.5 mL of potassium chloride.
Rounded to the nearest whole number, this would be 23 mL.
Therefore, the nurse should administer 23 mL of potassium chloride.
Nursing Test Bank
Naxlex Comprehensive Predictor Exams
Related Questions
Correct Answer is D
Explanation
A. Temperature of 100.8 Degrees Fahrenheit (38.2 Degrees Celsius): Fever can indicate a potential adverse reaction to the medication or may be a sign of infection, which could complicate the patient's condition. While a fever can be a sign of an infection, it's not a typical adverse effect for alteplase
B. Skin rash with urticaria: Skin rash and urticaria (hives) can indicate an allergic reaction to alteplase. Allergic reactions can range from mild to severe and may necessitate discontinuation of the medication and administration of appropriate treatment, such as antihistamines or corticosteroids, depending on the severity of the reaction but it's less common than bleeding.
C. Wheezing with labored breathing: Wheezing and labored breathing can indicate a severe allergic reaction or anaphylaxis to alteplase but again, bleeding is a more prominent concern.
D. Bruising and epistaxis: Alteplase increases the risk of bleeding due to its thrombolytic activity. Bruising and epistaxis (nosebleeds) are common manifestations of bleeding associated with alteplase therapy. Monitoring for these signs helps detect potential bleeding complications early, allowing for prompt intervention to minimize further bleeding and manage the patient's condition appropriately.
Correct Answer is ["7"]
Explanation
Dosage (mL) = Desired dose (mg) / Concentration (mg/mL)
Dosage (mL) = 350 mg / (250 mg/5 mL)
Dosage (mL) = 7 mL (rounded to nearest whole number)
Therefore, the nurse should administer 7 mL of amoxicillin suspension.
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