Best Family Nurse Practitioner Study Resources

The patient exhibits classic signs of upper airway cough syndrome, formerly known as post-nasal drip, which is the most common cause of chronic cough in adults. The history of throat clearing combined with oropharyngeal cobblestoning strongly supports a trial of a first-generation antihistamine and decongestant, which acts empirically to dry mucosal secretions. Option B is incorrect because a proton pump inhibitor targets acid reflux, which does not cause nasal congestion or cobblestoning. Option C is incorrect because a chest radiograph is unnecessary for a classic upper airway presentation lacking lower respiratory red flags. Option D is incorrect as inhaled corticosteroids treat asthma or eosinophilic bronchitis, not upper airway secretions. Utilizing an empiric trial for this syndrome is a cost-effective, guideline-supported approach that confirms the diagnosis upon symptom resolution.

The presentation of bright red cheeks followed by a lacy reticular rash on the extremities in a school-aged child is the hallmark of erythema infectiosum, caused by parvovirus B19. The child is typically well-appearing by the time the rash erupts. Human herpesvirus six causes roseola, which features a high fever that breaks abruptly before a trunk-based maculopapular rash appears, lacking the slapped-cheek appearance. Measles virus infection presents with a severe prodrome of cough, coryza, and conjunctivitis, followed by a descending maculopapular rash that is not lacy or reticular. Group A streptococcus causes scarlet fever, which presents with acute exudative pharyngitis and a diffuse, sandpaper-like rash, rather than the localized facial erythema and reticular extremity pattern seen in this patient.

This patient's presentation of episodic right upper quadrant pain radiating to the scapula after heavy meals is classic for symptomatic cholelithiasis, commonly known as biliary colic. A right upper quadrant abdominal ultrasound is the most sensitive, specific, and non-invasive initial imaging test to detect the presence of gallstones. A hepatobiliary iminodiacetic acid scan imaging is incorrect for initial workup as it is typically reserved for diagnosing acute cholecystitis when ultrasound findings are equivocal. Computed tomography of the abdomen is less sensitive for detecting radiolucent gallstones and exposes the patient to unnecessary radiation. Magnetic resonance cholangiopancreatography scan imaging is an advanced modality used to evaluate the biliary tree for choledocholithiasis rather than serving as a first-line test for uncomplicated colic.