While assessing breath sounds, a nurse hears crackles. What causes these lung sounds?
Moisture in air passages
Narrowed small air passages
Normal air passing through the airways
Narrowing of the upper airway
Narrowing of the upper airway
The Correct Answer is A
The correct answer is choice A, moisture in air passages. Crackles, also known as rales, are abnormal lung sounds that can indicate a buildup of fluid in the lungs. The moisture in the air passages causes the sound of air moving through fluid or mucus, leading to a crackling sound. Crackles can be heard in conditions such as pneumonia, heart failure, and pulmonary fibrosis.
Nursing Test Bank
Naxlex Comprehensive Predictor Exams
Related Questions
Correct Answer is A
Explanation
The correct answer is choice A. When performing hygiene care for a client with an indwelling catheter, the nurse should plan to cleanse the catheter from the meatus outward using mild soap and warm water. This helps to prevent infection and ensure proper hygiene. Using the same cleansing cloth for cleaning the perineal area and catheter tubing (choice B) is not recommended as it can cause contamination and increase the risk of infection. The use of chlorhexidine gluconate (CHG) to cleanse the perineal area (choice C) is not necessary for routine catheter care and should only be used for specific indications such as preventing infection during surgery. Therefore, the nurse should always follow proper hygiene protocols and cleanse the catheter from the meatus outward using mild soap and warm water when caring for a client with an indwelling catheter.
Correct Answer is A
Explanation
The correct answer is choice A, low-calorie dense foods. Low-calorie dense foods are those that have fewer calories per unit of volume, such as fruits, vegetables, and lean protein sources. These foods can help the client feel full and satisfied while still consuming fewer calories, which is important for weight loss. High trans fat foods (choice B) and high-glycemic index foods (choice C) should be avoided or limited as they can contribute to weight gain and other health problems. Highcalorie dense foods (choice D) should also be avoided or limited as they can provide too many calories without providing enough nutrients.
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