What resonance characteristics can sometimes be observed in apraxia?

• A. Always hypernasality
• B. Consistent normonality
• C. Rarely; but can see hypernasality or hyponasality
• D. Always hyponasality

Answer: (C)

In individuals with apraxia, resonance characteristics can indeed vary, and it is not uncommon for either hypernasality or hyponasality to be present at different times. Apraxia primarily affects the motor planning and programming aspects of speech production rather than the physical structures responsible for resonance, such as the velopharyngeal port. As a result, individuals may demonstrate inconsistent resonance patterns, which can include occasional instances of hypernasality—where excessive nasal resonance occurs due to improper closure of the velopharyngeal port—or hyponasality—where insufficient nasal resonance occurs due to blockages or constrictions in the nasal passages.

This variability reflects the nature of apraxia as it influences the sequencing of speech sounds and the motor commands necessary for fluent speech production, which can inadvertently impact resonance. Thus, it's not accurate to say these resonance characteristics are always present or completely absent, supporting the idea that such variations can be observed, albeit rarely. This is why the correct answer emphasizes the potential for these resonance issues while also conveying their inconsistency in the context of apraxia.