The nurse is reinforcing education to the parents of a toddler diagnosed with bronchiolitis. The nurse informs the parents that which of the following is the most common cause of bronchiolitis?
Respiratory Syncytial Virus (RSV)
Haemophilus influenzae type B
Adenovirus
Rhinovirus
The Correct Answer is A
A. Respiratory Syncytial Virus (RSV) is the most common cause of bronchiolitis, particularly in infants and toddlers.
B. Haemophilus influenzae type B causes epiglottitis and other respiratory infections but is not a leading cause of bronchiolitis.
C. Adenovirus can cause respiratory infections but is not the primary pathogen for bronchiolitis.
D. Rhinovirus causes the common cold but is not typically responsible for bronchiolitis.
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Naxlex Comprehensive Predictor Exams
Related Questions
Correct Answer is ["A","C","D","E","F"]
Explanation
A. Household smoking increases the risk of otitis media by irritating the respiratory tract and impairing immune function.
B. A history of urinary tract infections is not a risk factor for otitis media.
C. Exposure to illness in daycare centers or schools increases the likelihood of respiratory infections, which can lead to otitis media.
D. Native American ethnicity has a higher incidence of otitis media, likely due to genetic and environmental factors.
E. Absence of breastfeeding increases the risk of otitis media because breastfeeding provides immune protection.
F. Craniofacial anomalies (e.g., cleft palate) increase the risk of otitis media due to poor Eustachian tube function and chronic ear infections.
Correct Answer is D
Explanation
A. Itching and tenderness when manipulating the affected ear lobe is more characteristic of an external ear infection (otitis externa) rather than acute otitis media.
B. Fullness in the ear and a clogged sensation might be experienced in acute otitis media, but it usually occurs with systemic signs of infection such as fever and pain.
C. Edema and erythema of the external canal only would indicate an external ear infection (otitis externa), not otitis media, which affects the middle ear.
D. Pulling on the affected ear, acute onset of fever, and otalgia (ear pain) are classic signs of acute otitis media. Children often pull or tug at the affected ear in response to pain.
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