Noise Knowledge Questionnaire Part II
B-Nurses knowledge regarding ICU noise effect:
I- Sociopolitical Aspect:
1- Noise can essentially be defined as:
a- Any sound which is higher than 100 decibels (dB).
b- Any unwanted or undesirable sound which is annoying or disrupts performance.
c- Any sound which has physical and psychological effects on person health.
d- Any sound which is higher than 100 dB and have physical effects on person health
c
2- The World Health Organization (WHO) considers the acceptable range of noise level in
hospital to be:
a- 15 – 25 decibels (dB).
b- 35 – 45 decibels (dB).
c- 55 – 65 decibels (dB).
d- 75 – 85 decibels (dB).
b
3- According to subject number 12 of Jordanian environment protection law for the year of
1995, the highest permissible equivalent sound levels in hospitals are:
a- 25 – 35decibels (dB).
b- 35 – 45 decibels (dB).
c- 45 – 55 decibels (dB).
d - 75 – 85 decibels (dB).
4- The best way to measure noise intensity or loudness is:
a- Measuring noise level at each frequency in Hertz (Htz).
b- Detects the air pressure variation associated with sound by audio meter in Decibels(dB).
c- Measure the noise level over a period of time in Maximum Sound Level (Lmax).
d-Measure the sound level over a period of time in Level of Equivalent (LAeq).
B
5- The World Health Organization (WHO) reports the most common irreversible
occupational hazard to be:
a- Occupation Asthma.
b- Cuts, lacerations, and punctures wounds.
c- Occupational skin diseases.
d- Noise-induced Hearing Loss.
d
6- The intensity of (70 dB.) sound is similar to:
a- Washing machine.
b- Rainfall.
c- Ambulance alarm sound.
d- Busy city traffic.
D
II- Source of ICU noise:
1- According to Structural noise source (which refer to properties of ICU building) the
main source of noise is:
a- ICU air-conditioning compressors.
b- ICU main doors.
c- ICU windows.
d- ICU ventilation ducts.
D
2- According to Operational noise source (which refer to activities of ICU employee) the
main source of noise is:
a-ICU medical equipment alarms.
b-Conversations between the ICU multidisciplinary team.
c- Caregiver activities such as opening oxygen sources, suctions or drawers
d- Sound of Connections/disconnections of gas supplies
b
III- ICU noise level:
1- Current Studies find that the noise levels in hospital are:
a- Lower than WHO recommendations.
b- Higher than WHO recommendations.
c- Similar to WHO recommendations.
d- Dose not have any relation with WHO recommendation.
B
2- The noise level in current general ICU is around:
a- 30 decibels (dB).
b- 50 decibels (dB).
c- 60 decibels (dB).
d-80 decibels (dB).
B
IV- Effect of ICU noise:
1- The part of Autonomic Nervous System (ANS) which might be stimulated by excessive
noise level is:
a- Muscurinic.
b- Sympathetic.
c- Limbic.
d- Parasympathetic.
B
2- The Axis of Endocrine System which will be stimulated when exposure to excessive noise
level is:
a- Amygdala-pituitary-adrenal-axis (APA-axis).
b- Auditory- pituitary-adrenal-axis (APA-axis).
c- Hypothalamic-pituitary-adrenal-axis (HPA-axis).
d-Sensory-pituitary-adrenal-axis (SPA-axis).
C
3- The noise level which stimulate physiological change either on sick or healthy person is:
a- 100 - 110 decibels (dB).
b- 65-75 decibels (dB).
c- 35 - 45 decibels (dB).
d- 10 – 20 decibels (dB).
A
4- The most common acute physiological change that might be seen in a patient who
exposed to high noise is:
a- Tachycardia.
b- Hearing Loss.
c- Hypertension
d- Decrease Wound Healing
c.
5- The most common chronic physiological change that might be seen in a patient who
exposed to high noise is :
a- Hypertension.
b- Diabetic changes.
c- Hyperthyroidism changes.
d- Hearing Loss.
D
6- The major effect of high noise level on patient sensory perceptions is:
a- Being under sensitivity to the surrounded sound.
b- Being less cooperative with care provider commands.
c- Get overexcited and Irritable.
d- Increase eye contact with others.
A
7- The most common Psychological adverse effects of high noise on ICU staff is:
a- Stress and decrease concentration levels.
b- Hyperactivity disorder.
c- Depression disorder.
d-Anxiety disorders.
D
8- The major physiological effect of high noise level on ICU staff is:
a- Extra- Auditory irritation.
b- Tinnitus and progressive hearing loss.
c- Hyperthyroidism changes.
d-Sleep disturbances.
D
V- Strategies to reduce ICU noise:
1- One of the following is considered as staff behaviors improvement strategy to reduce
ICU noise level:
a- Build one-bed rooms ICUs.
b- Apply educational program regard ICU noise issue.
c- Build sound-absorbing roof.
d- Adjust the alarm settings
b
2- Staff interaction strategies to reduce ICU noise level are include:
a- Offer a timed period of rest
b- Handle the materials and equipment carefully.
c- React quickly with ICU equipments alarms.
d- Put high noise alarms in ICU to alert the staff if the noise exceed the normal level.
C
3- Improving physical design in ICU in order to reduce ICU noise level include:
a- Enhancing the multidisciplinary team knowledge regard noise issues.
b- Build one-bed rooms ICUs.
c- Reduce noise from conversations.
d- Coordinate care activities and handle the materials carefully.
C
