RST Quality Assurance and Regulatory Compliance 2

Question 1

What is the AASM-recommended low-frequency filter (high-pass filter) setting for EEG channels during polysomnography?

Accepted Answer

0.3 Hz

Answer

0.1 Hz

Answer

1.0 Hz

Answer

5.0 Hz

Question 2

What does impedance checking primarily assess in the context of polysomnography quality assurance?

Accepted Answer

Resistance at the skin-electrode interface

Answer

Electrical output of the polysomnograph amplifiers

Answer

The patient's cardiac conduction resistance

Answer

Integrity of the room's electrical grounding

Question 3

According to AASM accreditation standards, what is the minimum staffing requirement during attended polysomnography to ensure patient safety?

Accepted Answer

At least one technologist must be present in the facility at all times

Answer

One technologist per four patients in the laboratory

Answer

Two technologists must be on-site simultaneously at all times

Answer

One dedicated technologist per occupied patient room

Question 4

Which element is a key component of a sleep laboratory's infection control program?

Accepted Answer

Written protocols for cleaning, disinfection, and sterilization of reusable equipment

Answer

Exclusive use of disposable electrodes for every patient

Answer

Requiring patients to shower immediately before electrode application

Answer

Maintaining room temperature below 65°F to inhibit bacterial growth

Question 5

What is the minimum recommended digital sampling rate for EEG channels in polysomnography according to AASM technical specifications?

Accepted Answer

200 Hz

Answer

64 Hz

Answer

128 Hz

Answer

500 Hz

Question 6

Which quality metric should a sleep laboratory's QA program routinely evaluate?

Accepted Answer

Inter-rater scoring agreement between technologists and interpreting physicians

Answer

Number of patients who achieve sleep onset within 5 minutes of lights-out

Answer

Monthly revenue generated per study type

Answer

Percentage of studies using disposable versus reusable electrodes

Question 7

Following a polysomnographic study, which of the following must be documented in the patient record to meet quality and regulatory standards?

Accepted Answer

Study start and end times, equipment used, technical issues encountered, and all interventions performed

Answer

Scored sleep data only, to keep records concise

Answer

The technologist's subjective assessment of the patient's sleep quality

Answer

Only information directly relevant to insurance reimbursement