A nurse is reviewing a client’s cardiac rhythm strips and notes a constant P-R interval of 0.35 seconds.
Which of the following dysrhythmias is the client displaying
Atrial fibrillation.
Complete heart block
First-degree atrioventricular block
Premature atrial complexes
The Correct Answer is C
- . Answer and explanation.
The correct answer is choice C, first-degree atrioventricular block.
This is because the PR interval is longer than normal, which indicates a delay in the conduction of electrical impulses from the atria to the ventricles through the AV node. A normal PR interval is 0.12 to 0.2 seconds, or 3 to 5 small squares on the EKG strip.
In this case, the PR interval is 0.35 seconds, which is more than 5 small squares.
Choice A is wrong because atrial fibrillation is a type of arrhythmia where the atria beat irregularly and rapidly, producing chaotic and variable P waves and an irregular ventricular response.
There is no constant PR interval in atrial fibrillation.
Choice B is wrong because complete heart block is a type of arrhythmia where there is no conduction of electrical impulses from the atria to the ventricles, resulting in independent and dissociated atrial and ventricular rhythms.
There are no consistent P waves or PR intervals in complete heart block.
Choice D is wrong because premature atrial complexes are extra beats that originate from the atria and interrupt the normal sinus rhythm.
They produce abnormal P waves that are different from the sinus P waves, and may have a shorter or longer PR interval depending on the timing of the impulse.
However, they do not cause a constant prolongation of the PR interval.
Nursing Test Bank
Naxlex Comprehensive Predictor Exams
Related Questions
Correct Answer is A
Explanation
The correct answer is choice A. “Would you like to speak to a spiritual advisor?”.
This statement shows respect for the client’s spirituality and offers support without imposing the nurse’s beliefs or values. Spirituality focuses on the significance and purpose of life and can help clients cope with depression and terminal illness.
Choice B is wrong because it implies that the client needs medication to deal with their feelings, which can be dismissive and insensitive.
Antianxiety medication may be appropriate for some clients, but it should not be the first option.
Choice C is wrong because it assumes that the client is ready to discuss advance directives, which may not be the case.
Advance directives are legal documents that specify the client’s wishes for end-of-life care, such as resuscitation, organ donation, or power of attorney.
The nurse should assess the client’s readiness and understanding before initiating this conversation.
Choice D is wrong because it suggests that the client is close to death and needs hospice care, which can be discouraging and frightening. Hospice care is an interdisciplinary team effort that provides palliative care for clients who have a terminal illness and a life expectancy of less than 6 months.
The nurse should explain the benefits of hospice care and obtain the client’s consent before making a referral.
Correct Answer is D
Explanation
Choice A reason:
Determine previous coping skills used by the client is not appropriate. Assessing the client's previous coping skills is an essential step in the assessment phase of the therapeutic relationship, not specifically during the orientation phase. This information helps the nurse to understand the client's coping mechanisms and identify potential areas for improvement or support.
Choice B reason:
Facilitate the client's problem-solving skills is not appropriate the nurse may work on facilitating the client's problem-solving skills throughout the therapeutic relationship, including during the working phase. During this phase, the nurse and client collaborate to explore and address the client's concerns and challenges.
Choice Creason:
Assisting the client in expressing alternative behaviours is not appropriate. This action may also be part of the working phase, where the nurse helps the client explore alternative behaviours and coping strategies to address their issues and challenges.
Choice D reason:
The orientation phase is the initial stage of the therapeutic relationship where the nurse and the client get to know each other and establish the groundwork for their working relationship. During this phase, it is essential to clarify the roles and responsibilities of both the nurse and the client to ensure a clear understanding of each other's expectations.
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