Pulse Oximetry Quiz

What is the main purpose of pulse oximetry in anaesthesia?

• Measuring blood pressure

• Monitoring oxygen saturation

• Detecting heart rate

• Assessing body temperature

Which technology is used in pulse oximetry to measure oxygen saturation?

• Electrocardiography

• Ultrasound imaging

• X-ray analysis

• Spectrophotometry

Tags

NGSS.HS-PS4-5

What does the pulse oximeter sensor typically measure?

• Oxygen saturation

• Blood glucose levels

• Carbon dioxide levels

• Heart rate

What can interfere with the accuracy of pulse oximetry readings?

• High blood pressure

• Dark skin pigmentation

• Proper sensor placement

• Optimal blood flow

What is the normal range for oxygen saturation in healthy individuals?

• 95-100%

• 30-40%

• 60-70%

• 80-90%

What does the pulse oximetry waveform provide information about?

• Cardiovascular status

• Respiratory rate

• Brain activity

• Muscle strength

Tags

NGSS.HS-LS1-3

What is a limitation of pulse oximetry in patients with dark skin pigmentation?

• Improved readings

• No impact on accuracy

• Decreased accuracy

• Increased accuracy

What is the purpose of pulse oximetry in critical care settings?

• Monitoring blood pressure

• Detecting hypothermia

• Continuous oxygen saturation monitoring

• Assessing neurological function

What can help minimise the risk of transmission of pathogens when using pulse oximetry?

• Regular calibration

• Disposable sensors

• Increased sensor sensitivity

• Long-term sensor use

What is an emerging technology in pulse oximetry that provides continuous monitoring for patients?

• Advanced algorithms

• Wireless connectivity

• Single-use sensors

• Infrared imaging

Tags

NGSS.HS-PS4-5