Which of the following is a challenge of telephone interpreting compared to in-person interpreting?

Choosing "fatigue and mental workload" as a challenge of telephone interpreting compared to in-person interpreting is reflective of the distinct demands placed on interpreters in these two environments.

In telephone interpreting, interpreters often face a higher cognitive load because they cannot rely on non-verbal cues such as body language, facial expressions, and gestures, which are available in face-to-face interactions. The absence of these visual elements means interpreters must focus intensely on the spoken word and the nuances of tone and inflection to accurately convey meaning. This heightened level of concentration can lead to quicker onset of fatigue and increased mental workload, as interpreters have to process and interpret information solely based on auditory input.

While lack of cultural exchange, increased physical presence, and communication clarity could present challenges in various contexts, they do not encapsulate the specific cognitive strain associated with telephone interpreting. Here, the challenge lies in the significant mental effort required to fully comprehend and interpret the conversation without the aid of visual context.