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.
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.
Nursing Test Bank
Naxlex Comprehensive Predictor Exams
Related Questions
Correct Answer is ["9"]
Explanation
To determine the Apgar score for the newborn infant, we assess five parameters: heart rate, respiratory effort, muscle tone, reflex irritability, and color. Each parameter is scored from 0 to 2, with 2 being the highest score. Let's evaluate each parameter:
- Heart rate: 150 beats/minute --> Score of 2.
- Respiratory effort: Vigorous cry present --> Score of 2.
- Muscle tone: Good muscle tone with total flexion --> Score of 2.
- Reflex irritability: Quick reflex irritability noted --> Score of 2.
- Color: Dusky and cyanotic skin color --> Score of 1.
Now, we sum up the scores: 2+2+2+2+1=92+2+2+2+1=9
Therefore, the Apgar score for this infant is 9.
Correct Answer is D
Explanation
A. Assess for the use of illicit drugs. While assessing illicit drug use is important, it may not be the most crucial intervention during the initial health history-taking process.
B. Obtain a smoking history first. While obtaining a smoking history is important, it may not take precedence over other aspects of the health history, especially if there are more pressing concerns.
C. Evaluate vital signs and laboratory findings. While vital signs and laboratory findings are important components of the assessment, they are typically obtained after the health history has been completed.
D. Ask the parents to leave the room. Ensuring privacy and confidentiality is crucial during adolescent health assessments to encourage open communication and address sensitive issues. Asking the parents to leave the room allows the adolescent to speak freely about their health concerns without fear of judgment or disclosure to their parents.
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