Review the lab results in the chart tab

LAB

LAB

Result

Normal Range

Potassium

2.8 mEq/L

3.5-5.3mEq/L

Sodium

133 mEq/L

135-145 mEqL

Chloride

90 mEq/L

97-107 mEqL

Glucose

200 mg/dL

70mg/dL to

110mg/dL

Magnesium

2.5 mg/dL

1.6-2.2 mg/dL

Calcium

8.0 mg/dL

8.2-10.2 mg/dL:

A client admitted to the Emergency Department (ED) and the cardiac monitor shows multifocal premature ventricular contractions (PVC's). Initial laboratory findings are as follows. The nurse recognizes that the client's PVC's are most likely caused by:

hypermagnesemia.

hypocalcemia.

hypokalemia,

hyperglycemia

Answer and Explanation

The Correct Answer is C

A.   Hypermagnesemia can cause bradycardia and hypotension, but it is less commonly associated with PVCs. This does not align with the lab results provided.
B.   Hypocalcemia can cause arrhythmias, but it is not the most likely cause of PVCs in this case, considering other findings.
C.   Hypokalemia (low potassium) is a known cause of PVCs. The patient's potassium level is 2.8 mEq/L, which is significantly low and most likely contributing to the PVCs.
D.   Although hyperglycemia can affect cardiac function, it is less commonly linked to PVCs compared to electrolyte imbalances, such as hypokalemia.

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Correct Answer is A

Explanation

A. Dopamine at low doses primarily increases renal perfusion, which can lead to improved urine output. An increase in urine output is a key indicator that the medication is effectively improving kidney function and blood flow. This is the most direct way to assess its effectiveness.
B. A decrease in blood pressure is not an expected effect of low-dose dopamine, which should actually help improve perfusion and raise blood pressure.
C. An increase in heart rate is more likely with higher doses of dopamine and is not an optimal indicator of the drug's effectiveness for acute heart failure.
D. Client alertness is important but does not directly reflect the primary effects of dopamine on renal perfusion and cardiac output in acute heart failure.

A. "How many pillows do you sleep on mister" B. "Do you have chest pain when you walk up the steps?" C. "Do you find that your rings and shoes feel tight at the end of the day?" D. "How many times do you get up to void at night?"

Correct Answer is A

Explanation

A. This question assesses the client's level of orthopnea, which is a condition where the client experiences difficulty breathing when lying flat. People with heart failure may need to use multiple pillows to prop themselves up to breathe more easily at night, making it an important question to assess respiratory status.
B. Chest pain with exertion can be indicative of cardiovascular issues but this question does not directly assess the client's respiratory status.
C. Tight rings and shoes can indicate fluid retention and edema, but it does not provide specific information about respiratory status.
D. Frequent nighttime voiding (nocturia) is common in heart failure, but it relates more to kidney function and fluid retention rather than respiratory function.

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LAB	Result	Normal Range
Potassium	2.8 mEq/L	3.5-5.3mEq/L
Sodium	133 mEq/L	135-145 mEqL
Chloride	90 mEq/L	97-107 mEqL
Glucose	200 mg/dL	70mg/dL to 110mg/dL
Magnesium	2.5 mg/dL	1.6-2.2 mg/dL
Calcium	8.0 mg/dL	8.2-10.2 mg/dL:

Nursing Test Bank

Naxlex Comprehensive Predictor Exams

The client diagnosed with acute heart failure is prescribed an infusion of dopamine at a low dose. Which assessment parameter should the nurse use to best evaluate the effectiveness of this medication?

Correct Answer is A

Explanation

The nurse is performing the initial assessment of a client diagnosed with heart failure. Which question should the nurse ask to best assess the client's respiratory status?

Correct Answer is A

Explanation

The nurse is evaluating the outcomes for a client diagnosed with disseminated intravascular coagulation (DIC). Which laboratory value reflects a positive outcome?

The nurse is preparing to start a transfusion of packed red blood cells for a client with a hemoglobin of 5.4 g/dL. (normal Female: 11.7-15.5 g/dL; Male: 14-17.3 g/dL). Which IV site should the nurse use?

The client problem of Activity Intolerance related to decrease in cardiac reserve is identified for a client with chronic heart failure. Which intervention should the nurse include in the plan of care related to this problem?

The nurse is caring for a client who is in the later stages of left-sided heart failure. Which chief complaint would the nurse expect the client to report?

The nurse is providing discharge instructions to a client who has had a permanent pacemaker inserted. The information in the chart indicates that the device is a DDD. What will the nurse explain about this pacemaker?

The nurse is performing an admission assessment of an older adult client with a history of chronic heart failure. The client exhibits +2 pitting edema of the ankles and bibasilar crackles. Based on these findings what action should the nurse take next?

The client with heart failure exhibits bibasilar crackles, dyspnea and a respiratory rate of 26/min. The physician prescribes furosemide 40 mg IV. Which parameter would the nurse use to best evaluate if the client is responding to this medication?