What is the primary fluid analyzed by smart contact lenses for biomarker detection?

• Aqueous humor

• Blood plasma

• Cerebrospinal fluid

• Tear fluid

Which material is commonly used in smart contact lenses due to its transparency and stretchability?

• PET

• Graphene

• PDMS

• Polycarbonate

Which component in a smart contact lens is primarily responsible for controlled drug delivery?

• Wireless transmission module

• Microfluidic system

• Optical filter

• Biosensor array

What type of power supply is commonly explored for use in smart contact lenses?

• Alkaline coin cells

• Inductive or solar energy harvesters

• Lithium-ion pouch cells

• Kinetic energy converters

Capnography transducers are crucial in measuring:

• Nitrogen concentration

• Carbon monoxide level

• Oxygen saturation

• Carbon dioxide concentration

What type of sensor is used in chest wall movement detection via inductive plethysmography?

• Piezoelectric sensor

• Optical sensor

• Temperature-based sensor

• Flow sensor

Inductive plethysmography used in chest wall movement sensors operates based on:

• Voltage change in a thermistor loop

• Variations in magnetic inductance due to chest expansion

• Resistance change due to pressure on a strain gauge

• Piezoelectric charge generation by skin vibration

The Snuza Hero MD uses which of the following technologies to detect breathing motion?

• Thermocouple sensor

• Optical sensor

• Piezoelectric motion sensor

• Microphone sensor

Which type of biosensor operates by measuring current produced during redox reactions?

• Potentiometric

• Impedimetric

• Amperometric

• Optical

In optical biosensors, Surface Plasmon Resonance (SPR) is used to detect:

• Thermal expansion

• Frequency shifts in vibrations

• Refractive index changes due to molecular binding

• Dielectric property changes between electrodes