Topic 3

Question 1

Give Bernoulli’s Equation

Answer 1

y_A = Height of the bottom of the liquid

y_B = Height of the top of the liquid

Question 2

Equation to calculate fluid at rest in a container

Answer 2

P + ρgy = constant

• If V = 0*
• y= Height*
• P = Pressure*

Question 3

What is a manometer?

Answer 3

Measurement of pressure with fluid in a U-shape tube.

Difference of height is used to calculate pressure.

Question 4

Equation to calculate the Blood pressure by Cannulation

Answer 4

P_blood = P_atm + ρgh₁ - ρ_sgh₂

Question 5

What is the role and importance of gravity in the circulation?

Answer 5

Blood pressure differs in different areas of the body.

The flow rate must be constant for the brain

Question 6

Loss of Conciousness may be caused by…

Answer 6

Accelerating movement upward (2-3 G)

Collapsing the arteries in the brain

Question 7

Give the Bernouilli’s Equation’s static consequence equation.

Answer 7

Where v doesn’t equal 0

Question 8

Give the effect of a pressure change in a narrowning artery.

Answer 8

Where area is smaller and velocity is constant, the pressure is higher.

A₁v₁ = A₂v₂