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 ["A","B","D"]
Explanation
Choice A Reason:
"Have you had any nausea and vomiting with your headache?": This question is appropriate. Nausea and vomiting are common symptoms associated with migraines. Asking about these symptoms can help confirm the diagnosis of a migraine headache.
Choice B Reason:
"Are you bothered by the lights in here?" This question is appropriate. Sensitivity to light, known as photophobia, is a classic symptom of migraines. Inquiring about light sensitivity can provide additional evidence for the diagnosis.
Choice C Reason:
"Have you noticed any confused or cloudy thinking?". This question is inappropriate. Confusion or cognitive symptoms are not typical of migraines. However, some individuals may experience difficulty concentrating or cognitive symptoms during a migraine aura. This question may help assess for aura symptoms.
Choice D Reason
Have you experienced or are you experiencing any strange smells?" This question is appropriate. Some individuals may experience olfactory hallucinations or sensitivity to odors during a migraine aura. Asking about strange smells can help identify possible aura symptoms.
Choice E Reason:
"Did you feel weak before the headache started or do you feel weak now?" This question is inappropriate. While weakness is not a typical symptom of migraines, some individuals may experience fatigue or muscle weakness during a migraine attack. This question may help assess the overall impact of the headache on the client.
Correct Answer is ["A","D","E"]
Explanation
Choice A Reason:
Epithelial cells is correct. Epithelial cells lining the airways play a role in initiating the inflammatory response in asthma by releasing cytokines and other inflammatory mediators. These cells can contribute to the circulatory surge of inflammatory cells and cytokines seen in status asthmaticus.
Choice B Reason:
OT lymphocytes is incorrect. There is no specific cell type known as "OT lymphocytes." It's possible this may refer to T lymphocytes (T cells), which are involved in the immune response in asthma but are not typically associated with a circulatory surge in status asthmaticus.
Choice C Reason:
Hyperreactivity is incorrect. Hyperreactivity refers to the exaggerated response of the airways to various stimuli, leading to bronchoconstriction and inflammation. While hyperreactivity is a characteristic feature of asthma, it does not directly contribute to a circulatory surge of inflammatory cells and cytokines.
Choice D Reason:
Mast cells is correct. Mast cells are key players in the pathophysiology of asthma. They release various inflammatory mediators, including histamine and leukotrienes, which contribute to airway inflammation, bronchoconstriction, and mucus production. Mast cells can participate in the circulatory surge of inflammatory cells and cytokines in status asthmaticus.
Choice E Reason:
Inflammation is correct. Inflammation is a hallmark feature of asthma and plays a central role in the pathogenesis of status asthmaticus. The inflammatory response involves the recruitment and activation of various inflammatory cells, release of cytokines, and other mediators that contribute to airway obstruction and systemic effects.
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