*mock

Question 1

The dopppler shift frequency is DEPENDENT ON (2)
And
PROPORTIONAL TO

Answer 1

Dependent on angle and operating frequency

Velocity of reflector

Question 2

When voltage is applied to piezoelectric crystal, the crystal will

Answer 2

Increase or decrease according to polarity

Question 3

The resistance of the arterioles accounts for approx what % of total systemic resistence

Answer 3

50%