The nurse recognizes the need for client education when the client scheduled for a computed tomography (CT) states:

"I will be drinking a lot of fluid after the test is over."

"I will be anesthetized so that I lie perfectly still during the procedure."

"I will make sure I let them know I do not have a shellfish ally."

"will follow the food and drink restrictions as directed before the test is scheduled."

Answer and Explanation

The Correct Answer is B

A.   This statement suggests that the client may not understand the purpose or procedure of the CT scan. CT scans typically do not require the client to drink excessive fluids afterward. However, hydration might be encouraged if contrast dye was used to help eliminate it from the body. Education is needed to clarify post-procedure instructions.
B.   This statement indicates a misconception about the procedure. CT scans do not usually require anesthesia unless it's a complex situation, such as a young child or someone with severe claustrophobia. It's essential to educate the client about what to expect during the CT scan to reduce anxiety and ensure cooperation during the procedure.
C.   This statement shows awareness of potential allergies to contrast dye, which often contains iodine. It indicates that the client understands the importance of disclosing allergies to the healthcare team before the procedure. While this is generally a positive sign of awareness, further education may still be needed to ensure complete understanding of allergy management.
D.   This statement demonstrates understanding of pre-procedure instructions, which often include fasting or specific dietary restrictions. It suggests that the client understands the importance of these restrictions to ensure accurate test results and safety during the CT scan.

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Correct Answer is D

Explanation

A. Serum sodium levels are typically assessed to evaluate electrolyte balance and hydration status. While important for overall health assessment, it is not specifically related to monitoring the effects of warfarin therapy.
B. This could be ordered for various reasons such as assessing lung status or identifying any abnormalities in the chest. It is not directly related to monitoring warfarin therapy.
C. BUN levels are measured to assess kidney function and hydration status. While important for overall health assessment, it is not specifically related to monitoring the effects of warfarin therapy.
D. The INR is a standardized measurement of the blood's ability to clot. Warfarin works by inhibiting vitamin K-dependent clotting factors, thereby prolonging the time it takes for blood to clot. The INR is used to monitor and adjust warfarin dosage to maintain therapeutic anticoagulation levels, especially in patients with conditions like atrial fibrillation who are at risk of blood clots.

A. The client has a fever. B. The client has possible hemorrhage or bleeding. C. The client has chronic obstructive pulmonary disease (COPD). D. The client has calcium channel blocker medicate prescribed.

Correct Answer is D

Explanation

A. Fever can cause tachycardia (increased heart rate) rather than bradycardia. It is not typically associated with slowing of the heart rate unless there are other complicating factors such as severe infection or medication side effects.
B. Significant blood loss can lead to hypovolemia (low blood volume), which can result in bradycardia as a compensatory mechanism to maintain blood pressure. However, the blood pressure in this scenario is

normal (120/80), which makes severe hemorrhage less likely unless compensated by fluid resuscitation or other factors.
C. COPD can cause chronic hypoxia and respiratory acidosis, which can lead to chronic respiratory compensation and potentially bradycardia. However, COPD alone is less likely to cause bradycardia in the absence of severe exacerbation or other complicating factors.
D. Calcium channel blockers (CCBs) are medications commonly prescribed for conditions such as hypertension, angina, and arrhythmias. They work by blocking calcium channels in cardiac and smooth muscle cells, resulting in decreased heart rate and vasodilation. Bradycardia is a known side effect of CCBs, especially when taken in excess or in combination with other medications that affect heart rate.

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The nurse recognizes the need for client education when the client scheduled for a computed tomography (CT) states:

Nursing Test Bank

Naxlex Comprehensive Predictor Exams

A nurse is assessing a preoperative client. The client has a history of atrial fibrillation and is taking warfarin daily. Which test order will the nurse request from the provider?

Correct Answer is D

Explanation

The nurse is caring for a client with a heart rate of 48. His blood pressure is 120/80. Which finding will help the nurse determine the cause of the client's bradycardia?

Correct Answer is D

Explanation

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A nurse is reviewing the laboratory values of a client who has respiratory acidosis. Which of the following findings should the nurse expect?