A nurse is assessing a client's neurological function and performs the Romberg test. The client exhibits a negative Romberg test. This finding indicates:

Loss of function of CNVIII

Loss of function of CN XI

Intact CN VIII

Intact CN XI

Answer and Explanation

The Correct Answer is C

The Romberg test evaluates proprioception and vestibular function by assessing a patient’s ability to maintain balance with eyes closed while standing. It primarily tests the integrity of dorsal column pathways, vestibular system (CN VIII), and cerebellar integration involved in postural stability and equilibrium control.

Rationale:

A. CN VIII dysfunction would typically result in a positive Romberg test, characterized by swaying or loss of balance when visual input is removed. A negative result does not indicate loss of vestibular function, making this option incorrect.

B. CN XI (accessory nerve) controls sternocleidomastoid and trapezius muscle function involved in shoulder shrug and head rotation. It is not involved in balance or proprioception testing, so it is unrelated to Romberg test results.

C. Intact CN VIII suggests normal vestibular function contributing to balance maintenance. A negative Romberg test (no swaying or instability with eyes closed) indicates intact sensory and vestibular integration, confirming normal neurological function.

D. CN XI integrity does not determine Romberg test outcomes. While important for motor function of neck and shoulders, it does not contribute to postural equilibrium or proprioceptive balance mechanisms assessed in this neurological examination.

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Correct Answer is C

Explanation

Tinnitus is the perception of sound (ringing, buzzing, or roaring) without an external auditory stimulus, commonly associated with cochlear hair cell dysfunction, auditory nerve irritation, or metabolic and pharmacologic causes affecting inner ear microcirculation and neural signaling pathways.

Rationale:

A. Yawning frequency is not directly associated with tinnitus. Yawning may occur with fatigue or pressure changes in the Eustachian tube but does not provide relevant diagnostic information for identifying causes of auditory phantom perception or cochlear dysfunction.

B. Ear drainage is more consistent with external or middle ear infections such as otitis externa or otitis media. While these conditions may affect hearing, drainage is not a primary cause of tinnitus and does not identify common ototoxic or neural etiologies.

C. Antibiotic use is essential to assess because several antibiotics such as aminoglycosides are ototoxic and can damage cochlear hair cells, directly causing tinnitus. This history helps identify medication-induced auditory toxicity as a reversible or preventable cause.

D. Ear cleaning practices may contribute to external ear trauma or cerumen impaction but are not primary causes of tinnitus. While relevant to general ear health, this question is less specific than medication history in identifying inner ear toxicity causes.

A. Change pillowcase B. Wash hands often C. Don't share eye make-up D. Use clean towels daily

Correct Answer is B

Explanation

Conjunctivitis is inflammation of the conjunctiva commonly caused by viral or bacterial pathogens, presenting with pruritus, crusting, discharge, and erythema. Transmission occurs via direct contact; strict hand hygiene interrupts spread and prevents reinfection and contamination.

Rationale:

A. Changing pillowcases reduces environmental contamination but is not the primary intervention to stop transmission. Fomite control is secondary. Absence of direct contact prevention and limited impact compared to hand hygiene makes this less urgent.

B. Frequent handwashing is the most effective measure to prevent transmission of infectious conjunctivitis. It interrupts pathogen spread from ocular secretions to others and surfaces. Emphasis on hand hygiene and reducing direct contact makes this the top priority.

C. Avoiding shared eye makeup helps reduce transmission, especially in bacterial conjunctivitis, but is not as immediately effective as hand hygiene. It targets indirect spread. Limited focus on personal items rather than direct transmission lowers its priority.

D. Using clean towels daily reduces risk of reinfection and cross-contamination but is a secondary preventive measure. It addresses fomites rather than primary transmission. Focus on linen hygiene without controlling hand contact makes it less critical.

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A nurse is assessing a client's neurological function and performs the Romberg test. The client exhibits a negative Romberg test. This finding indicates:

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