EMBS

Which imaging technique uses strong magnetic fields and radio waves to generate detailed images of soft tissues?

• X-Ray

• CT Scan

• MRI

• Ultrasound

What does the T-wave in an ECG represent?

• Atrial depolarization

• Ventricular depolarization

• Ventricular repolarization

• Atrial repolarization

Which of the following materials is commonly used for hip joint replacements due to its biocompatibility and strength?

• Gold

• Titanium

• Lead

• Copper

Which device uses electrical impulses to regulate the heartbeat?

• Defibrillator

• Pulse Oximeter

• Pacemaker

• ECG Machine

In pulse oximetry, what principle allows measurement of oxygen saturation?

• Absorption of infrared and red light

• Reflection of ultrasound waves

• Emission of gamma rays

• Transmission of X-rays

What is the primary tool used for gene editing in modern biotechnology?

• PCR

• CRISPR-Cas9

• Gel Electrophoresis

• ELISA

What does Young’s modulus measure in biological tissues?

• Density

• Flexibility

• Stiffness

• Conductivity

Which artifact in MRI is caused by the presence of metal objects?

• Motion artifact

• Susceptibility artifact

• Aliasing artifact

• Chemical shift artifact

In tissue engineering, what role does a scaffold play?

• Provides nutrients to cells

• Acts as a support structure for cell growth

• Generates electrical impulses

• Measures cell activity

What is the primary function of a cochlear implant?

• To stimulate muscles

• To measure brain activity

• To restore hearing

• To regulate heart rhythm