The nurse is caring for a patient whose cardiac monitor shows a total absence of electrical impulse as indicated by a flat line. The nurse does not detect a pulse or blood pressure. The nurse would document this as which of the following rhythms?

Atrial fibrillation

Asystole

Ventricular fibrillation

Atrial flutter

Answer and Explanation

The Correct Answer is B

A.   Atrial fibrillation is characterized by rapid, irregular electrical impulses originating from the atria, resulting in a quivering or fibrillating motion of the atria rather than a coordinated contraction.
B.   Asystole is the absence of any electrical activity on the cardiac monitor, resulting in a flat line. It indicates the absence of ventricular contraction and is considered a medical emergency requiring immediate intervention (CPR and advanced cardiac life support).
C.   Ventricular fibrillation is characterized by chaotic, disorganized electrical activity in the ventricles, resulting in ineffective quivering of the ventricles and loss of cardiac output.
D.   Atrial flutter is characterized by rapid but regular electrical impulses originating from the atria, resulting in a sawtooth pattern on the ECG tracing.

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Correct Answer is ["A","C","D","E"]

Explanation

A. The primary function of the kidneys is to filter blood and eliminate waste products as urine.
B. Vitamin B12 activation primarily occurs in the liver, not the kidneys.

C. The kidneys help regulate the body's acid-base balance by excreting or conserving bicarbonate ions and hydrogen ions.
D. The kidneys produce erythropoietin, a hormone that stimulates the production of red blood cells in the bone marrow.
E. The kidneys play a key role in regulating blood pressure by adjusting the volume of blood and the balance of electrolytes in the body. They also produce hormones such as renin, which helps regulate blood pressure.

A. Liver disease B. Lupus C. Pneumonia D. Renal disease

Correct Answer is C

Explanation

A. While a splenectomy can lead to increased workload on the liver, it does not directly predispose the patient to liver disease.
B. A history of splenectomy does not specifically increase the risk of lupus.

C. Patients who have undergone splenectomy are at increased risk of certain infections, particularly encapsulated bacteria such as Streptococcus pneumoniae, which can cause pneumonia.
D. A history of splenectomy does not directly increase the risk of renal disease.

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The nurse is caring for a patient whose cardiac monitor shows a total absence of electrical impulse as indicated by a flat line. The nurse does not detect a pulse or blood pressure. The nurse would document this as which of the following rhythms?

Nursing Test Bank

Naxlex Comprehensive Predictor Exams

Which of the following describe the function of the kidneys? Select all that apply.

Correct Answer is ["A","C","D","E"]

Explanation

The nurse is taking a health history and notes the patient has a history of a splenectomy. For which condition is this patient at risk?

Correct Answer is C

Explanation

Which of the following is the best indicator of fluid balance in the body?

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