A nurse is assessing a client who has atrial fibrillation. Which of the following pulse characteristics should the nurse expect?
Irregular
Bounding
Not palpable
Slow
The Correct Answer is A
A In atrial fibrillation (AF), the electrical activity in the atria is chaotic, leading to an irregularly irregular ventricular response. As a result, the pulse felt at the radial artery will be irregular, with no discernible pattern. The irregularity is a hallmark feature of AF and is often described as "irregularly irregular."
B Bounding pulses are characterized by a strong and forceful pulsation felt at the arterial pulse sites. In atrial fibrillation, the irregular and rapid ventricular response can lead to an increased stroke volume and forceful contraction of the left ventricle during diastole, resulting in bounding pulses. However, bounding pulses are not typically associated with atrial fibrillation; they are more commonly seen in conditions such as aortic regurgitation or hyperdynamic circulation.
C In some cases of atrial fibrillation, especially if the ventricular rate is very rapid or irregularly irregular, the pulse may not be palpable due to the inconsistent ventricular contractions.
However, in most cases of atrial fibrillation, a pulse is palpable, albeit irregular.
D Atrial fibrillation can result in a rapid ventricular response, leading to a fast heart rate. However, the pulse rate can vary widely among individuals with atrial fibrillation. While some may have a rapid heart rate (tachycardia), others may have a slower heart rate (bradycardia), depending on factors such as concomitant medications, autonomic tone, and the presence of underlying heart disease.
Nursing Test Bank
Naxlex Comprehensive Predictor Exams
Related Questions
Correct Answer is ["A","B","C","D","E"]
Explanation
First, the nurse should open the airway using a jaw-thrust maneuver (C) to ensure it is not obstructed. Next, they should determine the effectiveness of ventilatory efforts (B), as breathing is critical and any compromise must be addressed immediately. Following this, establishing IV access (D) is important for fluid resuscitation and medication administration. The nurse should then perform a Glasgow Coma Scale assessment (E) to determine the level of consciousness and neurological function. Lastly, removing clothing for a thorough assessment (A) is essential, but only after the critical steps concerning airway, breathing, circulation, and disability have been addressed.
Correct Answer is C
Explanation
C. Respiratory acidosis- The pH is acidic, and the PaCO2 is elevated, indicating respiratory acidosis. The client's hypoventilation (respiratory rate of 7/min) is causing retention of carbon dioxide, leading to respiratory acidosis.
A. Metabolic alkalosis- The ABG values do not support a diagnosis of metabolic alkalosis. The pH is acidic, and the base excess is negative, indicating a mild metabolic acidosis.
B. Respiratory alkalosis- The ABG values do not support a diagnosis of respiratory alkalosis. The pH is acidic, and the PaCO2 is elevated, indicating respiratory acidosis rather than alkalosis.
D. Metabolic acidosis- While there is evidence of a mild metabolic acidosis indicated by the negative base excess, the primary disturbance in this case is respiratory acidosis, as evidenced by the low pH and elevated PaCO2.
Whether you are a student looking to ace your exams or a practicing nurse seeking to enhance your expertise , our nursing education contents will empower you with the confidence and competence to make a difference in the lives of patients and become a respected leader in the healthcare field.
Visit Naxlex, invest in your future and unlock endless possibilities with our unparalleled nursing education contents today