The nurse hears crackles when auscultating a client's lung sounds. Which is an accurate description of the sound of crackles?

A bubbling sound heard during inspiration and expiration in the central airways.

A crowing noise heard during inspiration over the trachea.

Popping, nonmusical sounds heard in the lung bases, usually during inspiration.

Superficial squeaking or grating sounds heard during inspiration and expiration.

Answer and Explanation

The Correct Answer is C

A. A bubbling sound heard during inspiration and expiration in the central airways: This description is accurate. Crackles (also called rales) are often heard in conditions like pulmonary edema or pneumonia.

B. A crowing noise heard during inspiration over the trachea: This description refers to stridor, not crackles. Stridor occurs due to upper airway obstruction.

C. Popping, non-musical sounds heard in the lung bases, usually during inspiration: This description is accurate for crackles. They occur due to fluid or secretions in the alveoli.

D. Superficial squeaking or grating sounds heard during inspiration and expiration: This description refers to wheezes, not crackles. Wheezes are associated with narrowed airways.

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Correct Answer is C

Explanation

A. Contact social services for a temporary shelter. While contacting social services is important for the overall care of a homeless pregnant woman, it is not the immediate priority in the presence of placenta previa and vaginal bleeding.

B. Obtain a hemoglobin and hematocrit level. Assessing hemoglobin and hematocrit levels is important to evaluate the extent of blood loss and anemia, but the priority is to ensure the woman’s and fetus’s immediate safety due to placenta previa.

C. Have the client transported to the hospital. This is the correct action. Placenta previa can cause significant bleeding and requires immediate medical attention, including potential delivery. Transporting the client to the hospital ensures she receives the necessary urgent care.

D. Schedule weekly perinatal appointments. Weekly perinatal appointments are important for ongoing care, but in the context of active bleeding and placenta previa, immediate hospital care is necessary first.

A. Document the client's asymmetrical thoracic movement during inspiration. B. Assist the client to a position that helps the client breathe more easily. C. Provide the client an incentive spirometer to increase respiratory effort. D. Encourage the client to continue to breathe deeply to expand the lungs.

Correct Answer is B

Explanation

A. Documenting asymmetrical thoracic movement: While this might be a finding, it's not the most urgent action.

B. Assist the client to a position that helps the client breathe more easily. Sternocleidomastoid, trapezius, and abdominal muscle use: These muscles are accessory muscles that help with breathing when the diaphragm and intercostal muscles (primary muscles of respiration) are not functioning optimally. This use suggests laboured breathing. Priority action: The client's respiratory distress is the most pressing concern.

C. Incentive spirometer: This device helps improve lung expansion but is not the first-line intervention in this situation where the client is already struggling to breathe.

D. Encouraging deep breaths: This might further strain the respiratory muscles.

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The nurse hears crackles when auscultating a client's lung sounds. Which is an accurate description of the sound of crackles?

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Naxlex Comprehensive Predictor Exams

A pregnant, homeless woman who has received no prenatal care presents to the clinic in her third trimester because she is having vaginal bleeding, but reports that she is not in pain. Ultrasound reveals a placenta previa. Which action should the nurse implement?

Correct Answer is C

Explanation

While counting the respirations of an adult client who is bedfast, the nurse observes that the client uses the sternocleidomastoid, trapezius, and abdominal muscles during respirations. Which action should the nurse take in response to this finding?

Correct Answer is B

Explanation

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