A patient is admitted with otitis media in the right ear. The nurse performs an ear examination with an otoscope. What would the nurse expect to see in this patient's right ear?

Otitis media is characterized by an acute inflammatory exudate within the middle ear space, leading to significant pressure changes. Accumulation of purulent fluid causes bulging of the tympanic membrane, which obscures anatomical landmarks and results in a distinctive erythematous appearance. This pressure compromises the vibratory capacity of the ossicular chain, often leading to temporary conductive hearing loss. Rationale: A. A pearly gray, translucent appearance is the hallmark of a healthy, non-pathological tympanic membrane. In the presence of acute infection, the membrane typically becomes opaque, thickened, and hyperemic. Seeing a pearly gray color would indicate an absence of middle ear disease rather than active otitis media. B. Increased pain when palpating or pulling the pinna is a classic sign of otitis externa, also known as swimmer's ear. Otitis media involves the area medial to the tympanic membrane, so external manipulation usually does not elicit significant tenderness. Pain in otitis media is typically internal and throbbing due to pressure. C. The cone of light, or light reflex, is normally sharp and well-defined but becomes distorted or absent as the membrane bulges. This occurs because the fluid-filled middle ear cavity alters the concavity of the eardrum, preventing the light from reflecting correctly. This is a diagnostic otoscopic finding for middle ear effusion. D. A healthy tympanic membrane is mobile and should move slightly when positive pressure is applied via pneumatic otoscopy. In otitis media, the presence of fluid and increased intratympanic pressure prevents this normal movement, resulting in a fixed or immobile membrane. This lack of mobility is a key indicator of fluid accumulation.