Which of the following is the most common risk factor for emphysema?
Smoking tobacco
Between 20 to 30 years of age
Asthma
Pollution
The Correct Answer is A
Choice A Reason:
Smoking tobacco is the primary and most significant risk factor for emphysema. Tobacco smoke contains harmful chemicals and toxins that directly damage the lungs. Chronic exposure to cigarette smoke leads to inflammation and destruction of lung tissue, particularly the alveoli, contributing to the development of emphysema.
Choice B Reason:
Between 20 to 30 years of age. While smoking at any age is harmful to lung health, the risk of developing emphysema increases with prolonged exposure to tobacco smoke over many years. Emphysema is typically a disease of middle to older age, with symptoms often appearing after years of smoking.
Choice C Reason:
Asthma is a chronic inflammatory condition of the airways characterized by reversible airflow obstruction and airway hyperresponsiveness. While asthma and emphysema are both respiratory diseases, they have distinct pathophysiological mechanisms and risk factors. Asthma is not a direct cause of emphysema, although some individuals with poorly controlled asthma may develop chronic obstructive pulmonary disease (COPD), which includes emphysema as one of its components.
Choice D Reason:
Pollution is not correct. Environmental pollution, including air pollution from industrial emissions, vehicle exhaust, and particulate matter, can contribute to respiratory problems and exacerbate pre-existing lung conditions. While exposure to pollution can worsen respiratory symptoms and lung function, it is not the primary cause of emphysema. However, long-term exposure to certain pollutants may increase the risk of developing respiratory diseases, including COPD, which encompasses emphysema.
Nursing Test Bank
Naxlex Comprehensive Predictor Exams
Related Questions
Correct Answer is D
Explanation
Choice A Reason:
Dulaglutide is inappropriate. Dulaglutide is a medication used to treat type 2 diabetes by improving blood sugar control. It is not indicated for the management of neurogenic bladder or urinary incontinence.
Choice B Reason:
Montelukast sodium is inappropriate. Montelukast sodium is a medication primarily used to treat asthma and allergic rhinitis by blocking leukotrienes, which are inflammatory substances that contribute to asthma and allergy symptoms. It is not indicated for the management of neurogenic bladder or urinary incontinence.
Choice C Reason:
Glatiramer acetate is inappropriate. Glatiramer acetate is a medication used to treat relapsing-remitting multiple sclerosis (MS) by modulating the immune system. It is not indicated for the management of neurogenic bladder or urinary incontinence.
Choice D Reason:
Oxybutynin is appropriate. Oxybutynin is a medication commonly prescribed for the management of neurogenic bladder and urinary incontinence. It belongs to a class of medications called anticholinergics, which work by relaxing the bladder muscles and reducing bladder spasms. Oxybutynin helps control urinary urgency, frequency, and incontinence associated with neurogenic bladder, including spasm-induced incontinence.
Correct Answer is C
Explanation
Choice A Reason:
Paralytic ileus is incorrect. Paralytic ileus is a condition characterized by obstruction of the intestines due to paralysis of the intestinal muscles, resulting in symptoms such as abdominal pain, bloating, and constipation. Paralytic ileus is not typically associated with cauda equina syndrome, which primarily affects the nerves in the lower back and lower extremities.
Choice B Reason:
Blood pressure 80/48 mm Hg is incorrect. While cauda equina syndrome can cause neurological symptoms such as lower extremity weakness, numbness, and bowel or bladder dysfunction, it is not typically associated with alterations in blood pressure. Blood pressure changes may occur in response to pain or other systemic factors, but they are not specific to cauda equina syndrome.
Choice C Reason:
Weakness in one or both legs is correct. Yes, weakness in one or both legs is a characteristic finding of cauda equina syndrome. Compression of the nerve roots in the lower spinal cord can lead to motor deficits, including weakness, difficulty walking, and loss of reflexes in the lower extremities.
Choice D Reason:
Potassium 3.2 mEq/L is incorrect. Serum potassium levels are not typically associated with cauda equina syndrome. Abnormal potassium levels may be indicative of electrolyte imbalances, which can occur in various medical conditions but are not specific to cauda equina syndrome.
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