BMI QUIZ 1

what is bio electric potentials

• current produced by muscles

• voltage produced by the cell

• power produced by muscular contraction

• chemical activity of blood

What is depolarization

• process of changing from resting potential to action potential

• process of changing from action to resting potential

• process of changing from resting and action potential

• none of the above

What is electrodes

• used to measure blood pressure

• used to measure heart rate

• used to measure bioelectric activity

• used to measure temperature

Define types of electrodes

• Microelectrodes, Floating electrodes, Micropipet electrodes

• Microelectrodes, Skinsurface electrodes and needle electrodes

• Metal electrodes, Spray on electrodes, needle electrodes

• Micropipet electrodes, skinsurface electrodes, Floating electrodes

What is the normal value of Blood pressure

• 80/120

• 120/80

• 150/70

• 100/80

Which chamber of the heart receives blood from the lungs?

• 1. The right atrium

• 1. The right ventricle

• 1. The left atrium

• 1. The left ventricle

Choose the correct sequence of action potential conduction along the conductive tissues of the heart:

• SA node → AV node → Bundle of His → Purkinje fibers → Bundle branches

• SA node → AV node → Bundle of His → Bundle branches → Purkinje fibers

• SA node → AV node → Bundle branches → Bundle of His → Purkinje fibers

• SA node → AV node → Purkinje fibers → Bundle of His → Bundle branches

Natural Pacemaker of heart is __________

• AV node

• SA node

• Bundle of HIS

• Ventricle muscles

Which instrument is used to listen to the internal sounds of the human body?

• Stethoscope

• Sphygmomanometer

• Reflex hammer

• Suction device

Cardiac output is determined by _______

• heart rate

• stroke volume

• blood flow

• heart rate and stroke volume