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 ["725"]
Explanation
Intake = IV fluid + antibiotic
From 0700-0900 (2 hours), the patient received 100 mL/hr of IV fluid: 100 mL/hr x 2 hours = 200 mL
From 1000-1030 (0.5 hours), the patient received Kefzol 1 g in 25 mL of D5W over 30 minutes:
25 mL
From 1030-1530 (5 hours), the patient received 100 mL/hr of IV fluid: 100 mL/hr x 5 hours = 500 mL
Total intake from 0700-1530 = 200 mL + 25 mL + 500 mL = 725 mL. Therefore, the patient's intake from 0700 to 1530 was 725 mL.
Correct Answer is C
Explanation
The correct answer is choice C: "The doctors must have made a mistake." KüblerRoss defines five stages of psychosocial responses to dying and death: denial, anger, bargaining, depression, and acceptance. Denial is the first stage, characterized by a refusal to accept the reality of the situation. In this stage, individuals may use defense mechanisms to cope with the overwhelming emotions associated with their diagnosis or prognosis. The statement "The doctors must have made a mistake" is an example of denial as the individual refuses to accept the diagnosis and instead attributes it to an error by medical professionals.
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