Ujian Sistem Syaraf

Which physiological signal group is related to the measurement of pressure?

• Pressure

• Flow

• Biopotential

• Temperature

What type of physiological signal is associated with sound energy produced by the body?

• Bioelectric signals

• Bioacoustic signals

• Biomagnetic signals

• Biochemical signals

What does seismocardiography (SCG) measure?

• Micro-vibration of the chest due to heart activity

• Micro-movement of the body due to blood ejection

• Changes in chest/abdominal circumference (breath)

• Mechanical sound of heart valves

What is the typical frequency range for phonocardiography (PCG)?

• ~20–200 Hz

• ~100–2000 Hz

• ~10–2000 Hz

• ~1–8 kHz

What is the typical frequency range for animal bioacoustics related to bats?

• ~1–8 kHz

• ~20–200 Hz

• Ultrasonic 20–100 kHz

• ~100–2000 Hz

What is the name of the technique used to obtain biomagnetic signals from the brain?

• Electroencephalogram

• Magnetoencephalograph

• Magnetic Resonance Imaging

• Computed Tomography

What is the order of amplitude for MNG (Magnetoneurogram perifer)?

• 10–1000 fT

• ~pT-tens pT

• fT-pT

• ~fT-pT

What is the typical application of ICG (Impedance Cardiography)?

• Monitoring hydration and oxygenation of tissues

• Hemodynamic non-invasive monitoring and fluid estimation

• Stress/reactivity analysis

• Differentiating intracellular vs extracellular water

Which of the following is NOT a component of biophotonic probes as shown in the diagram?

• Biological entities

• Light modulation

• Bio-microlenses

• Electrical circuits

What is the primary focus of biophotonic probes?

• Generating electrical signals

• Detecting and analyzing optical signals

• Measuring magnetic fields

• Producing sound waves