During auscultation, which finding is supportive of left-sided atelectasis?
Vesicular breath sounds with equal intensity throughout
Loud bronchial breath sounds over the left lower lobe
High-pitched wheezing over both lower lobes
Decreased breath sounds over the affected area
The Correct Answer is D
Choice A reason: Vesicular breath sounds with equal intensity indicate normal, healthy lung parenchyma with clear alveolar air exchange. These sounds are soft and breezy, heard over most of the peripheral lung fields. The presence of equal vesicular sounds would contradict a diagnosis of atelectasis, which involves localized lung collapse.
Choice B reason: Loud bronchial breath sounds heard in the peripheral lung fields usually indicate consolidation, as seen in lobar pneumonia, where solid tissue conducts sound more efficiently than air-filled alveoli. While atelectasis involves collapsed tissue, the complete obstruction of the bronchus often prevents any sound from reaching the chest wall, resulting in silence.
Choice C reason: High-pitched wheezing is associated with bronchospasm or narrowed airways, typically found in asthma or chronic obstructive pulmonary disease. While wheezing can occur with partial collapse, bilateral lower lobe wheezing suggests a systemic or widespread airway issue rather than the localized collapse characteristic of a single-sided atelectasis.
Choice D reason: Atelectasis is the collapse of alveoli, which prevents air from entering that portion of the lung. Consequently, during auscultation, the nurse will note diminished or entirely absent breath sounds over the affected region because there is no air movement to generate the sound. Dullness to percussion is also typically noted.
Nursing Test Bank
Naxlex Comprehensive Predictor Exams
Related Questions
Correct Answer is A
Explanation
Choice A reason: Women frequently exhibit atypical presentations of myocardial ischemia, such as profound fatigue, epigastric pain, or dyspnea, rather than the classic substernal crushing chest pain reported by men. These non-classic symptoms often lead clinicians to incorrectly attribute the clinical manifestations to gastrointestinal issues, musculoskeletal strain, or psychiatric conditions like generalized anxiety.
Choice B reason: While chronic psychological stress and anxiety can contribute to the development of hypertension and catecholamine release, they are not classified as the primary physiological cause of acute coronary syndrome. ACS is fundamentally caused by plaque rupture, coronary artery vasospasm, or thromboembolic occlusion leading to myocardial tissue ischemia and potential necrosis.
Choice C reason: This statement is medically inaccurate because cardiac biomarkers, such as Troponin I or T, may not show an immediate elevation in the very early stages of acute coronary syndrome. Furthermore, some women may experience microvascular angina or non-obstructive coronary artery disease, where traditional diagnostic findings might be more subtle or delayed.
Choice D reason: Shortness of breath, or dyspnea, is a hallmark symptom of cardiac compromise and left ventricular dysfunction. It occurs when the heart cannot pump efficiently, leading to increased pulmonary venous pressure and interstitial edema. Classifying it as "rarely a cardiac symptom" is a significant clinical error that overlooks a critical warning sign.
Correct Answer is A
Explanation
Choice A reason: Non-modifiable risk factors are those that an individual cannot change, such as age, gender, race, and genetic predisposition. Family history is a primary non-modifiable risk factor; inquiring about it shows the client recognizes that their inherited biological background contributes significantly to their overall cardiovascular risk profile.
Choice B reason: Making an appointment with a dietician is an action aimed at changing modifiable risk factors. Diet, weight, and nutritional intake are behaviors that can be controlled or altered through intervention. While beneficial for heart health, they do not fall under the category of non-modifiable biological traits.
Choice C reason: Limiting alcohol intake is a lifestyle modification. Alcohol consumption is a behavioral choice that can impact blood pressure and lipid levels. Because the client has the power to change this behavior, it is categorized as a modifiable risk factor rather than an inherent, unchangeable biological factor.
Choice D reason: Starting a regular walking schedule addresses physical inactivity, which is a modifiable risk factor. Increasing physical exertion improves cardiovascular health and can be initiated at the client's discretion. This does not reflect an understanding of factors like age or genetics that are beyond personal control
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