EDAC Acoustics and Sound Control in Healthcare Design

Question 1

What is the primary unit used to measure sound pressure levels in healthcare acoustic design?

Accepted Answer

Decibel (dB)

Answer

Hertz (Hz)

Answer

Lumen (lm)

Answer

Pascal (Pa)

Question 2

According to World Health Organization guidelines, what is the recommended nighttime noise level in hospital patient rooms?

Accepted Answer

35 dB(A)

Answer

40 dB(A)

Answer

45 dB(A)

Answer

50 dB(A)

Question 3

Which wall design strategy is most effective at preventing sound flanking between adjacent patient rooms?

Accepted Answer

Building walls that extend to the structural deck above the ceiling

Answer

Using glass partition walls with acoustic seals

Answer

Installing sound-absorbing ceiling tiles on both sides

Answer

Adding heavy curtains along the shared wall

Question 4

In the context of healthcare acoustic design, 'speech privacy' refers primarily to which of the following?

Accepted Answer

Prevention of patient conversations from being understood by unintended listeners

Answer

The clarity of staff-to-staff communication over intercoms

Answer

Background noise levels in public waiting areas

Answer

Acoustic clarity of overhead public address systems

Question 5

Which primary design and construction reference standard includes specific acoustic performance requirements for healthcare facilities?

Accepted Answer

FGI Guidelines for Design and Construction of Health Care Facilities

Answer

ASHRAE Standard 90.1

Answer

LEED v4 Healthcare Rating System

Answer

ADA Standards for Accessible Design

Question 6

What does the term 'reverberation time' (RT60) describe in healthcare acoustic design?

Accepted Answer

The time required for sound to decay by 60 dB after the source stops

Answer

The delay between a sound source and its first echo off a hard surface

Answer

The frequency range of intelligible human speech within a room

Answer

The time a sound system takes to reach full volume after activation

Question 7

Which psychological phenomenon is relevant to understanding why high background noise levels impair staff concentration in busy nursing units?

Accepted Answer

The Cocktail Party Effect

Answer

The Hawthorne Effect

Answer

The Placebo Effect

Answer

The Ringelmann Effect