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A nurse is calculating the intake of a client during the past 9 hr. The client's intake includes lactated Ringer's IV at 150 mL/hr, cefazolin 2 g IV intermittent bolus in 100 mL of 0.9% sodium chloride, two units of packed RBCs of 275 mL and 250 mL; two IV bolus infusions of 250 mL of 6.0% sodium chloride, famotidine 20 mg IV intermittent bolus in 50 mL of 0.9% sodium chloride. How many mL of intake should the nurse record?

1,350 mL

1,600 mL

2525 mL

2,100 mL

Answer and Explanation

The Correct Answer is C

The correct answer is c. 2,525 mL.

Choice A reason:

1,350 mL is calculated by considering only the lactated Ringer’s IV intake. The calculation is as follows:

Lactated Ringer’s IV at 150 mL/hr for 9 hr: 150 mL/hr × 9 hr = 1,350 mL. This option does not include the intake from cefazolin, packed RBCs, sodium chloride boluses, or famotidine.

Choice B reason:

1,600 mL is not a correct calculation based on the given intake. This value does not accurately sum up any combination of the provided intake components.

Choice C reason:

2,525 mL is the correct total intake. The detailed calculation is:

Lactated Ringer’s IV at 150 mL/hr for 9 hr: 150 mL/hr × 9 hr = 1,350 mL.
Cefazolin in 100 mL of 0.9% sodium chloride: 100 mL.
Two units of packed RBCs: 275 mL + 250 mL = 525 mL.
Two IV bolus infusions of 250 mL of 6.0% sodium chloride: 250 mL + 250 mL = 500 mL.
Famotidine in 50 mL of 0.9% sodium chloride: 50 mL.

Adding these together: 1,350 mL + 100 mL + 525 mL + 500 mL + 50 mL = 2,525 mL.

Choice D reason:

2,100 mL is not a correct calculation based on the given intake. This value does not accurately sum up any combination of the provided intake components.

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Correct Answer is C

Explanation

Choice A reason: Vaginal cultures are not necessary for oral contraceptive therapy. They are used to diagnose infections such as bacterial vaginosis, yeast infection, or sexually transmitted diseases.

Choice B reason: Complete blood count is not essential for oral contraceptive therapy. It is used to measure the number and types of blood cells, such as red blood cells, white blood cells, and platelets.

Choice C reason: Serum potassium level is the most important laboratory test for oral contraceptive therapy. This is because some oral contraceptives can increase the risk of hyperkalemia, which is a high level of potassium in the blood. Hyperkalemia can cause serious complications such as cardiac arrhythmias, muscle weakness, and paralysis.

Choice D reason: Pregnancy test is not a laboratory test, but a urine test. It is important to rule out pregnancy before starting oral contraceptive therapy, but it is not the most important test for the nurse to assess.

A. Expect to see a response from the medication within one week. B. Women should avoid touching this medication. C. PSA levels will increase while taking this medication. D. Avoid drinking grapefruit juice when taking this medication.

Correct Answer is B

Explanation

Choice A reason: This is incorrect because the patient may not see a response from the medication for at least six months. The patient should continue taking the medication as prescribed and follow up with the provider regularly.

Choice B reason: This is correct because finasteride can cause birth defects in male fetuses if it is absorbed through the skin or ingested by pregnant women. The patient should wear gloves when handling the tablets and avoid contact with crushed or broken tablets.

Choice C reason: This is incorrect because PSA levels will decrease while taking this medication. PSA stands for prostate-specific antigen, which is a marker for prostate cancer. The patient should inform the provider that they are taking finasteride before having a PSA test, as it may affect the results.

Choice D reason: This is incorrect because grapefruit juice does not interact with finasteride. However, the patient should avoid alcohol and other medications that may affect the liver while taking finasteride.

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A woman visits a health center requesting oral contraceptives. Which laboratory test is most important for the nurse to assess before the patient begins oral contraceptive therapy?

Correct Answer is C

Explanation

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Correct Answer is B

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