A nurse is using a Doppler ultrasound stethoscope to assess the pedal pulses of a client who has peripheral vascular disease. Which of the following actions should the nurse plan to take?
Exert firm pressure when placing the probe.
Apply the probe to the exterior aspect of the ankle.
Move the probe until a whooshing sound is present.
Hold the probe at a 30° angle to the blood vessel.
The Correct Answer is C
Choice A rationale:
Exerting firm pressure when placing the probe (Choice A) is not recommended because it can potentially compress the blood vessels and impede blood flow. This can lead to inaccurate readings and compromise the assessment of the pedal pulses in a client with peripheral vascular disease.
Choice B rationale:
Applying the probe to the exterior aspect of the ankle (Choice B) is not the standard approach for assessing pedal pulses. The pedal pulses are typically assessed on the dorsal (top) and posterior (back) aspects of the foot, as well as the lateral (side) aspects of the ankle. Placing the probe on the exterior aspect of the ankle might not yield accurate results.
Choice C rationale:
Moving the probe until a whooshing sound is present (Choice C) is the correct action when using a Doppler ultrasound stethoscope to assess pedal pulses. The whooshing sound, known as "Doppler sound," indicates the presence of blood flow. The nurse should gently maneuver the probe until this sound is heard, allowing for an accurate assessment of the pulses and blood flow status.
Choice D rationale:
Holding the probe at a 30° angle to the blood vessel (Choice D) is not a standard practice for assessing pedal pulses with a Doppler ultrasound stethoscope. The nurse should place the probe directly over the pulse site and adjust its position until the Doppler sound is detected.
Nursing Test Bank
Naxlex Comprehensive Predictor Exams
Related Questions
Correct Answer is B
Explanation
Choice A rationale:
Placing a sterile kit on the overbed table above waist level is incorrect. Sterile fields need to be set up at or below waist level to ensure that they remain within the nurse's line of sight and control. This minimizes the risk of contamination and maintains the sterility of the field.
Choice B rationale:
Opening the outermost flap of the sterile kit toward their body is the correct action. This prevents air currents from blowing contaminants onto the sterile field, maintaining its sterility. Opening the flap away from the body could introduce potential contaminants onto the field, compromising its integrity.
Choice C rationale:
Turning their back to the sterile field when coughing during the procedure is incorrect. Proper aseptic technique involves turning away from the sterile field and coughing or sneezing into a tissue or elbow while maintaining a distance from the sterile area. This prevents the dispersal of microorganisms onto the field.
Choice D rationale:
Holding a package of sterile gauze 30.5 cm (12 in) above the sterile field when dropping the gauze onto the field is incorrect. The appropriate technique is to hold the gauze slightly above the sterile field to allow it to fall onto the field without direct contact. Holding it 12 inches above is unnecessary and might increase the risk of dropping it from too high, potentially contaminating the field. The height should be minimal to avoid unnecessary air currents.
Correct Answer is D
Explanation
The correct answer is choiced. “I will wear gloves when changing the client’s hospital gown.”
Choice A rationale:
Cleaning reusable equipment with isopropyl alcohol is not effective against Clostridium difficile spores. Equipment should be cleaned with a sporicidal disinfectant to ensure the removal of C.difficile spores.
Choice B rationale:
Alcohol-based hand sanitizers are not effective against C. difficile spores.Hand hygiene should be performed with soap and water after contact with the client or their environment.
Choice C rationale:
Wearing a mask within 3 feet of the client is not necessary for C. difficile infection, as it is not transmitted via respiratory droplets.The primary mode of transmission is through contact with contaminated surfaces or feces.
Choice D rationale:
Wearing gloves when changing the client’s hospital gown is essential to prevent the transmission of C. difficile spores.Gloves should be worn for all contact with the client or their environment
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