TMI BASICS

ECG (Electrocardiogram) was developed first by

• Wilhelm His
• Steward
• Hubert Mann
• Willem Einthoven

The frequency range of ECG is ____________

• 0.05-150 HZ
• 500-1500 Hz
• 5-500 kHz
• 0.5-150 MHz

How many leads are used in ECG

• 3
• 2
• 6
• 12

What is the signal amplitude of EEG?

• 0.5-100 µV
• 2-200mV
• 2-2000 µV
• 2-2000mV

Tricuspid valve is also called _______________

• Left Atrio-ventricular valve
• Right Atrio-ventricular valve
• Pulmonary valve
• Cardiac valve

Before placing the electrodes the skin should be __________

• wet
• dry
• hairy
• oily

The letter T in the EEG electrode placement system denotes?

• temporal lope
• temper lobe
• trace
• timpanic

Disturbance in the EEG pattern resulting from the external stimuli is called ________

• provoked response
• ckoored response
• evoked response
• impulse response

The theta wave in EEG ranges from

• 0.5-4HZ
• 4-8HZ
• 8-13HZ
• 13-22HZ

The alpha wave in EEG ranges from

• 0.5-4HZ
• 4-8HZ
• 8-13HZ
• 13-22HZ