A nurse is preparing to administer potassium chloride 10 mEq IV over 1 hr to a client. Available in potassium chloride 10 mEq in 100 mL of 0.9% sodium chloride. The nurse should set the infusion pump to deliver how many mL/hr? (Round the answer to the nearest whole number. Use a leading zero if it applies. Do not use a trailing zero.).

10 mL/hr.

50 mL/hr.

100 mL/hr.

500 mL/hr.

Answer and Explanation

The Correct Answer is C

Choice A rationale:
10 mL/hr would be the correct infusion rate if the client was receiving the entire 10 mEq of potassium chloride in a 100 mL solution over 1 hour. However, the question asks for the rate at which to administer 10 mEq over 1 hour, which means the total volume should be 100 mL/hr.
Choice B rationale:
50 mL/hr would be the correct infusion rate if the client was receiving the entire 10 mEq of potassium chloride in a 100 mL solution over 2 hours. However, the question specifies 1 hour, so the rate should be higher.
Choice C rationale:
This is the correct answer. To administer 10 mEq of potassium chloride in 100 mL over 1 hour, the infusion pump should be set to deliver 100 mL/hr.
Choice D rationale:
500 mL/hr would be the correct infusion rate if the client was receiving the entire 10 mEq of potassium chloride in a 100 mL solution over 10 minutes (1/6th of an hour). However, the question specifies 1 hour, so the rate should be much lower.

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Correct Answer is A

Explanation

Choice A rationale:

A decrease in NG tube drainage indicates that the client's stomach contents are not being aspirated excessively, which suggests that the IV fluids are effectively maintaining fluid volume balance. This finding is positive because it shows that the client is retaining the fluids they need, and it may also indicate improved gastrointestinal function and decreased risk of dehydration.

Choice B rationale:

The potassium level of 3.3 mEq/L (milliequivalents per liter) is low. The normal range for potassium is typically between 3.5 to 5.0 mEq/L. Hypokalemia (low potassium) can result from various factors and may cause muscle weakness, cardiac arrhythmias, and other complications. It is not a finding that indicates the effectiveness of fluid volume balance therapy.

Choice C rationale:

An increased heart rate may suggest that the client is experiencing fluid volume deficit or other physiological stress. It is not a finding that indicates the effectiveness of fluid volume balance therapy.

Choice D rationale:

A hematocrit level of 46% is within the normal range for adult males (typically around 38.8% to 50%) and indicates the proportion of red blood cells in the blood. While it can provide information about blood viscosity and hydration status, it does not directly indicate the effectiveness of fluid volume balance therapy.

A. Take this medication on an empty stomach. B. Avoid drinking grapefruit juice while taking this medication. C. Change positions slowly while taking this medication. D. This medication can cause insomnia. E. It is possible to experience involuntary movements while taking this medication.

Correct Answer is ["B","D"]

Explanation

Choice A rationale:
Lurasidone does not necessarily need to be taken on an empty stomach. It can be taken with or without food.
Choice B rationale:

Avoiding grapefruit juice is essential with lurasidone as it can interfere with the drug's metabolism and increase the risk of side effects.
Choice C rationale:
Changing positions slowly is relevant for medications that can cause orthostatic hypotension, but lurasidone is not typically associated with this side effect.
Choice D rationale:
Lurasidone can cause insomnia in some individuals, so it is important for the client to be aware of this potential side effect. It is best taken in the evening to minimize this effect.
Choice E rationale:
While involuntary movements (extrapyramidal symptoms) can occur with some antipsychotic medications, lurasidone has a lower risk of causing these side effects compared to older antipsychotics. It is not a major concern with lurasidone treatment.

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Naxlex Comprehensive Predictor Exams

A nurse is caring for a client who has an NG tube to suction and is receiving IV fluids to maintain fluid volume balance. Which of the following findings should indicate to the nurse that this therapy is effective?

Correct Answer is A

Explanation

A nurse is teaching a client who has schizophrenia a new prescription for lurasidone. Which of the following information should the nurse include in the teaching?(Select all that apply.).

Correct Answer is ["B","D"]

Explanation

A nurse is teaching a client who has a new prescription for colesevelam powder for oral suspension. The nurse should include which of the following instructions?

A nurse in the emergency department is preparing to irrigate the eyes of a client who received a chemical splash on their face. Which of the following actions should the nurse take?

A nurse is caring for a client who had moderate sedation during a procedure. The client's airway is obstructing, and they have an oxygen saturation of 90%. Which of the following interventions is the first action the nurse should take?

A nurse is providing teaching to a client who has a new prescription for cephalexin oral suspension. Which of the following statements by the client indicates an understanding of the teaching?

A nurse is completing an admission assessment of a client. Which of the following findings should the nurse identify as a stage 2 pressure injury?

A nurse is assessing a client's understanding of a surgical procedure prior to witnessing their signature on the informed consent form. The nurse determines that the client does not understand what the procedure will involve. Which of the following actions should the nurse take?

A nurse is reviewing the prescriptions for a client who has a new diagnosis of bacterial meningitis. Which of the following prescriptions should the nurse clarify with the provider?

A nurse in an emergency department is assessing a client who has a basilar skull fracture and serosanguineous nasal discharge following a motor vehicle crash. Which of the following findings should the nurse identify as reliable for determining that the discharge is cerebrospinal fluid?