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?

The client has a fever.

The client has possible hemorrhage or bleeding.

The client has chronic obstructive pulmonary disease (COPD).

The client has calcium channel blocker medicate prescribed.

Answer and Explanation

The Correct Answer is D

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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Correct Answer is B

Explanation

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.

A. Deferasirox B. Protamine sulfate C. Acetylcysteine D. Vitamin K

Correct Answer is B

Explanation

A. Deferasirox is a medication used to treat chronic iron overload due to blood transfusions. It is not used as an antidote for heparin.
B. Protamine sulfate is the antidote for heparin. It works by binding to heparin, neutralizing its anticoagulant effects. Protamine sulfate is typically used in cases of heparin overdose or when rapid reversal of heparin's effects is necessary, such as during surgery or if there is active bleeding.
C. Acetylcysteine is used as an antidote for acetaminophen (paracetamol) overdose due to its ability to replenish glutathione stores in the liver and protect against liver damage. It has no role in reversing heparin's effects.
D. Vitamin K is the antidote for warfarin, not heparin. It promotes the synthesis of clotting factors in the liver that are inhibited by warfarin, thus reversing its anticoagulant effects.

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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?

Nursing Test Bank

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