The client with congestive heart failure is placed on a 2000 ml fluid restriction. The patient has had the following intake today:
Breakfast - 1 cup of coffee, 4 oz of milk with cereal
Lunch - a 12 oz can of diet soda, 1 1/2 cup of chicken soup
Dinner - 16 oz of lemonade, 4 oz of Jello.
How many milliliters can the patient still drink tonight?
(Type the number only, no labels)
The Correct Answer is ["320"]
Standard conversions:
- 1 cup = 240 mL
- 1 oz = 30 mL
Step 1: Convert Breakfast Intake
1 cup coffee
240 mL
4 oz milk
4 × 30 = 120 mL
Breakfast total:
240 + 120 = 360 mL
Step 2: Convert Lunch Intake
12 oz diet soda
12 × 30 = 360 mL
1½ cups chicken soup
1.5 × 240 = 360 mL
Lunch total:
360 + 360 = 720 mL
Step 3: Convert Dinner Intake
16 oz lemonade
16 × 30 = 480 mL
4 oz Jello
4 × 30 = 120 mL
Dinner total:
480 + 120 = 600 mL
Step 4: Calculate Total Intake
360 + 720 + 600 = 1680 mL
Step 5: Subtract From Fluid Restriction
2000 − 1680 = 320 mL
Nursing Test Bank
Naxlex Comprehensive Predictor Exams
Related Questions
Correct Answer is B
Explanation
A. Encourage the client to drink fluids and then give the medication: While increasing fluid intake can help raise blood pressure if the cause is dehydration, it does not justify giving an antihypertensive to a hypotensive patient. Administering lisinopril will further lower the pressure regardless of fluid status. The priority is to avoid exacerbating the existing hypotension.
B. Hold the dose and notify the healthcare provider: A blood pressure of 88/56 is significantly below the normal therapeutic range and indicates that the patient cannot tolerate further antihypertensive therapy. Giving the lisinopril could lead to profound hypotension, syncope, or decreased organ perfusion. The nurse must withhold the drug and seek medical guidance for dose adjustment.
C. Give half the dose and recheck the blood pressure in 30 minutes: Nurses are not authorized to alter the prescribed dose of a medication or provide a partial dose without a specific physician order. Even a half-dose of an ACE inhibitor could be dangerous for a client whose pressure is already below 90 mmHg systolic. Clinical judgment requires stopping the medication entirely until the patient is stable.
D. Document the finding and give the drug as usual: Giving the drug as usual despite a blood pressure of 88/56 is a medication error that ignores critical assessment data. This action directly endangers the patient and violates basic safety protocols for administering cardiovascular medications. Documentation of the vital signs must be followed by an appropriate clinical action, which is withholding the dose.
Correct Answer is ["2"]
Explanation
Dose prescribed: 40 mg
Dose available: 20 mg per tablet
Number of tablets= 40 ÷ 20
= 2 tablets
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