Which of the following diseases is most likely the cause of your patient's barrel chest?
Emphysema
Pneumonia
Tuberculosis
Acute respiratory distress syndrome
The Correct Answer is A
A. Emphysema, a type of chronic obstructive pulmonary disease (COPD), is the most common cause of a barrel chest. It occurs due to the destruction of the alveoli, leading to air trapping and overinflation of the lungs, which causes the chest to take on a rounded, barrel-like appearance.
B. Pneumonia typically causes acute symptoms like fever, cough, and difficulty breathing, but it does not cause the chronic lung changes that result in a barrel chest.
C. Tuberculosis can cause lung damage, but it does not typically result in the barrel chest shape. It is more associated with symptoms like cough, hemoptysis, and weight loss.
D. Acute respiratory distress syndrome (ARDS) is an acute condition involving rapid onset of severe respiratory distress, often due to trauma or infection. It does not cause the chronic structural changes seen in a barrel chest.
Nursing Test Bank
Naxlex Comprehensive Predictor Exams
Related Questions
Correct Answer is A
Explanation
A. The presence of epithelial cells in urinary casts is indicative of acute tubular necrosis (ATN), a condition where the tubular cells in the kidneys are damaged, often due to ischemia or nephrotoxic substances. These damaged cells shed into the urine, forming casts.
B. Glomerulonephritis is characterized by inflammation of the glomeruli and typically leads to hematuria and proteinuria, but it is not specifically associated with epithelial cells in casts.
C. Urinary tract infections (UTIs) usually cause bacteriuria, pyuria, and sometimes hematuria, but not epithelial cell casts.
D. Pyelonephritis is an infection of the kidneys that can cause white blood cell casts and bacteria in the urine, but it is not typically associated with epithelial cell casts.
Correct Answer is B
Explanation
A. Increased total body water due to an increase in muscle mass is incorrect because muscle tissue holds more water than fat tissue, but as people age, they typically lose muscle mass, not gain it.
B. Decreased total body water due to a decrease in muscle mass is correct. As people age, muscle mass generally decreases, and since muscle tissue contains more water than fat tissue, the total body water decreases with aging.
C. Increased total body water caused by increased fat mass is incorrect because fat tissue actually holds less water than muscle tissue. As fat mass increases, total body water typically decreases.
D. Decreased total body water caused by decreased fat mass is incorrect because fat tissue does not significantly contribute to total body water, and the loss of fat does not have a significant impact on water content in the body.
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