A patient presents to the Emergency Room with swollen legs and shortness of breath. He tells you that he has a history of heart failure which causes the fluid to build up m his legs and lungs. When you listen to his lung sounds you are most likely to hear which type of breathing sounds?
Rales
Crackles
Rhonchi
Stridor
The Correct Answer is B
Crackles, also known as rales, are discontinuous sounds that are typically heard during inspiration in patients with heart failure. These sounds are produced by the sudden opening of small airways and alveoli that are filled with fluid or collapsed due to pulmonary congestion. The sound can be described as similar to the sound of rubbing hair between fingers or the sound of Velcro being pulled apart.
Rhonchi are continuous, low-pitched sounds that are typically heard during expiration and are caused by the movement of air through narrowed airways, such as in patients with chronic obstructive pulmonary disease (COPD). Stridor is a high-pitched, continuous sound that is typically heard during inspiration and indicates upper airway obstruction, which can be life-threatening. Neither rhonchi nor stridor are typically heard in patients with heart failure.
Therefore, based on the patient's history and symptoms, the most likely type of breathing sound to be heard on auscultation is crackles/rales.
Nursing Test Bank
Naxlex Comprehensive Predictor Exams
Related Questions
Correct Answer is C
Explanation
: Chest tube placement is done to remove air or fluid from the pleural space, which is the area between the lungs and the chest wall. The chest tube drainage system is an important tool to monitor and manage the drainage from the chest tube.
It is essential that the chest tube drainage system is placed below the level of the patient's chest and the site of insertion. This is necessary to create a continuous drainage system by allowing gravity to assist in the flow of air or fluid out of the pleural space. If the chest tube drainage system is placed above the insertion site, the fluid will not drain properly, which can cause the fluid to back up into the patient's chest cavity, leading to complications such as pneumothorax or hemothorax.
Therefore, the appropriate statement regarding a chest tube is that the chest tube drainage system must be placed below the site of insertion.

Correct Answer is D
Explanation

AB+ blood type is known as the universal recipient because individuals with this blood type have both A and B antigens on the surface of their red blood cells, as well as the Rh antigen. This means that they can receive blood from donors of any ABO blood type (A, B, AB, or O) and Rh factor (positive or negative) without experiencing a transfusion reaction.
Therefore, in the case of a patient who will be needing a blood transfusion, if the nurse knows that the patient's blood type is unknown, it is ideal to give them AB+ blood type as it is considered the safest option.
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