In the diagnostic evaluation of epiglottitis, which imaging test is preferred for visualizing a swollen epiglottis?
Computed tomography (CT) scan.
Magnetic resonance imaging (MRI).
Lateral neck radiograph.
X-ray of the chest.
The Correct Answer is C
Choice A rationale:
Computed tomography (CT) scan provides detailed images of internal structures but is not the preferred imaging test for visualizing a swollen epiglottis.
CT scans are more commonly used for evaluating conditions in other parts of the body, such as the brain or abdomen, and may not provide the necessary detail for assessing the upper airway.
Choice B rationale:
Magnetic resonance imaging (MRI) can produce high-resolution images of soft tissues, but it is not the first choice for visualizing a swollen epiglottis.
MRI scans are time-consuming and may not be readily available in urgent situations.
In cases of suspected epiglottitis, prompt diagnosis and intervention are crucial to prevent respiratory compromise.
Choice C rationale:
Lateral neck radiograph is the preferred imaging test for visualizing a swollen epiglottis.
This X-ray technique allows healthcare providers to assess the size of the epiglottis and its relationship with nearby structures.
A classic finding in epiglottitis on a lateral neck radiograph is a swollen epiglottis, giving a thumbprint sign appearance.
This imaging study can aid in the diagnosis and guide appropriate management.
Choice D rationale:
X-ray of the chest is not the preferred imaging test for evaluating epiglottitis.
While a chest X-ray can provide information about the lungs and surrounding structures, it does not offer the necessary detail to visualize the upper airway, including the epiglottis.
Lateral neck radiograph is specifically tailored to assess the structures in the throat region and is the imaging modality of choice in suspected cases of epiglottitis.
Nursing Test Bank
Naxlex Comprehensive Predictor Exams
Related Questions
Correct Answer is B
Explanation
Choice A rationale:
The importance of oral medications to relieve symptoms is relevant, but it doesn't specifically prevent epiglottitis.
Preventive measures like vaccination are more crucial in avoiding the condition.
Choice B rationale:
Educating the child and their family about the signs and symptoms of epiglottitis is essential for early recognition and prompt medical intervention.
Understanding the symptoms can lead to quicker medical attention, which is vital in managing epiglottitis effectively.
Choice C rationale:
Avoiding complete immunization against Hib is not a recommended practice.
Hib vaccination significantly reduces the risk of epiglottitis caused by Hib bacteria.
Encouraging complete immunization is a key preventive measure against the disease.
Choice D rationale:
Using nebulized medications for treatment might be a part of the management plan if the child already has epiglottitis, but it's not a preventive measure.
Prevention focuses on vaccination and awareness of symptoms, making choice D less relevant in the context of prevention.
Correct Answer is A
Explanation
Choice A rationale:
The nurse should monitor for signs of adrenal insufficiency and hyperglycemia as potential side effects of corticosteroid therapy.
Corticosteroids can suppress the adrenal glands, leading to adrenal insufficiency, which can manifest as weakness, fatigue, low blood pressure, and abdominal pain.
Hyperglycemia (elevated blood sugar levels) is a common side effect of corticosteroids and can worsen diabetes or predispose non-diabetic individuals to high blood sugar levels.
Choice B rationale:
Decreased oxygen saturation levels are not a common side effect of corticosteroid therapy.
Corticosteroids help reduce airway inflammation, which can actually improve oxygenation in conditions like epiglottitis by reducing airway obstruction and respiratory distress.
Choice C rationale:
Allergic reactions to corticosteroids are possible, but they are relatively rare.
Symptoms of an allergic reaction can include rash, itching, swelling, severe dizziness, or difficulty breathing.
While allergic reactions are a concern with any medication, they are not the primary side effect that nurses should monitor for when administering corticosteroids.
Choice D rationale:
Increased sensitivity to antibiotics is not a known side effect of corticosteroid therapy.
Corticosteroids work by suppressing the immune response and reducing inflammation, but they do not affect the body's sensitivity to antibiotics.
Antibiotic effectiveness is determined by factors such as the specific antibiotic used, the type of bacteria causing the infection, and antibiotic resistance patterns.
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