The nurse is auscultating the lungs of a sleeping client and hears short, popping, crackling breath sounds that stop after a few breaths. The nurse recognizes that these breath sounds are:
Atelectatic crackles that do not have a pathologic cause.
Vesicular breath sounds.
Fine wheezes.
Fine crackles and may be a sign of pneumonia.
The Correct Answer is A
A. Atelectatic crackles that do not have a pathologic cause:
Atelectatic crackles are short, popping, crackling sounds heard during auscultation. They occur in individuals who are in a supine position and disappear after a few breaths. These crackles are not indicative of any pathological condition; they are common when the lungs are not fully aerated, especially when a person is lying down.
B. Vesicular breath sounds:
Vesicular breath sounds are normal lung sounds heard over the peripheral lung areas. They are soft, low-pitched, and continuous throughout inspiration and part of expiration. Vesicular breath sounds are the typical sounds heard during routine breathing and are not associated with crackling or popping noises.
C. Fine wheezes:
Wheezes are high-pitched whistling sounds heard during expiration. They occur due to narrowed airways and are commonly associated with conditions like asthma or bronchoconstriction. Fine wheezes suggest a partial obstruction in the smaller airways, causing turbulent airflow, leading to the characteristic sound.
D. Fine crackles and may be a sign of pneumonia:
Fine crackles are high-pitched, discontinuous, crackling sounds heard during inspiration. They can occur due to the sudden opening of small airways, and their presence may indicate fluid in the lungs or lung inflammation. Fine crackles are often associated with conditions such as pneumonia, heart failure, or interstitial lung diseases.
Nursing Test Bank
Naxlex Comprehensive Predictor Exams
Related Questions
Correct Answer is C
Explanation
A. Xiphoid process:
The xiphoid process is a small, cartilaginous extension at the inferior end of the sternum (breastbone). It does not play a role in the bifurcation of the trachea.
B. Suprasternal notch:
The suprasternal notch, also known as the fossa jugularis sternalis or jugular notch, is the visible dip in the superior part of the manubrium of the sternum between the clavicular notches. It is an important anatomical landmark for assessing the position of the trachea during emergency situations but is not the location of tracheal bifurcation.
C. Sternal angle (Angle of Louis):
The sternal angle, or Angle of Louis, is a palpable notch located at the articulation of the manubrium and the body of the sternum. It is where the second rib attaches and serves as a useful reference point for counting ribs and locating internal structures like the tracheal bifurcation.
D. Costal angle:
The costal angle is the acute angle formed by the junction of the costal margins at the xiphoid process. It is not related to the tracheal bifurcation.
Correct Answer is C
Explanation
In this sequence:
Vena cava brings deoxygenated blood from the body into the right atrium.
Blood flows from the right atrium to the right ventricle through the tricuspid valve.
The right ventricle pumps blood into the pulmonary artery to the lungs.
In the lungs, blood is oxygenated and returns to the heart via the pulmonary veins into the left atrium.
From the left atrium, blood moves to the left ventricle through the bicuspid (mitral) valve.
The left ventricle then pumps oxygenated blood into the body through the aorta.
This sequence represents the systemic and pulmonary circulation of the heart.
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