A nurse is assisting with collecting data on a client who is on a continuous ECG monitor. The client's ECG tracing shows no identifiable P waves and an irregular ventricular rate. The nurseshould recognize the client is experiencing which of the following cardiac dysrhythmias?

Complete heart block

Atrial fibrillation

Sinus tachycardia

First-degree AV block.

Answer and Explanation

The Correct Answer is B

a. Complete heart block: Complete heart block would typically present with a regular ventricular rate, but with no association between P waves and QRS complexes.

b. Atrial fibrillation: Atrial fibrillation is characterized by the absence of identifiable P waves and an irregular ventricular rate. The atria fibrillate, leading to chaotic electrical activity and an irregular ventricular response.

c. Sinus tachycardia: Sinus tachycardia is characterized by a regular ventricular rate and identifiable P waves. It is not associated with the absence of P waves.

d. First-degree AV block: First-degree AV block is characterized by a prolonged PR interval, but it does not result in the absence of P waves. The relationship between P waves and QRS

complexes is maintained.

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Free Nursing Study Resources

Correct Answer is B

Explanation

a. "Both illnesses begin in the rectum." This statement is not accurate. Ulcerative colitis typically begins in the rectum and progresses proximally, while Crohn's disease can involve any part of the digestive tract.

b. "Both illnesses are inflammatory in nature." This is the correct statement. Both ulcerative colitis and Crohn's disease are inflammatory bowel diseases characterized by chronic

inflammation of the gastrointestinal tract.

c. "Both illnesses manifest fistula formation." Fistula formation is more commonly associated with Crohn's disease, not ulcerative colitis.

d. "Both illnesses result in malabsorption of nutrients." While malabsorption can occur in both conditions, it is generally more associated with Crohn's disease than ulcerative colitis.

A. Hypoglycemia B. Hyperreflexia C. Cardiac dysrhythmias D. Increased appetite

Correct Answer is C

Explanation

a. Hypoglycemia: Hypokalemia is not typically associated with hypoglycemia.

b. Hyperreflexia: Hypokalemia can lead to decreased reflexes, not hyperreflexia.

c. Cardiac dysrhythmias: Hypokalemia can cause disturbances in cardiac conduction, potentially leading to dysrhythmias.

d. Increased appetite: Increased appetite is not a common manifestation of hypokalemia.

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A nurse is assisting with collecting data on a client who is on a continuous ECG monitor. The client's ECG tracing shows no identifiable P waves and an irregular ventricular rate. The nurseshould recognize the client is experiencing which of the following cardiac dysrhythmias?

Nursing Test Bank

Naxlex Comprehensive Predictor Exams

A charge nurse is reinforcing teaching with a newly licensed nurse about the common link between ulcerative colitis and Crohn's disease. Which of the following statements by the newly licensed nurse indicates an understanding of the teaching?

Correct Answer is B

Explanation

A nurse is reviewing the laboratory results of a client who is taking a loop diuretic and notes the client’s potassium level is 3.0 mEq/L. Which of the following physiological responses should the nurse expect related to the client’s hypokalemia?

Correct Answer is C

Explanation

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