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Flashcards in Mix FRCA Deck (119)
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1

The following statements apply to equations of lines and curves:
The line y = 3-2x meets the y axis at y= -3

False

2

The following statements apply to equations of lines and curves:
In the parabola y = 4x^2+3 cuts the y axis at x=3

False

3

The following statements apply to equations of lines and curves:
An example of a rectangular hyperbola is pressure x volume =constant

False

4

The following statements apply to equations of lines and curves:
If y = 2x+3, then x=(y-3)/2

True

5

The following statements apply to equations of lines and curves:
A minimum point on a curve y = f(x) is defined by dy/dx = 0

True

6

The value of e in y=e^x depends on the units used to measure x

False

7

The calculation of cardiac output from a thermodilution curve is an application of differentiation

False

8

A picofarad is 10^-9 Farad

False

9

For the exponential function C = Cmax.e^-kt, the time constant (tau) = 0.693/k

False

10

Velocity is a rate of change of distance in m/s<2

False

11

Force = mass x acceleration

True

12

Energy = force x velocity

False

13

units of work are joules

True

14

Electrical current I = charge Q x Time

False

15

Presure = force x area

False

16

Absolute pressure = gauge pressure = atmospheric pressure

True

17

Atmospheric pressure at sea level is 1.013 x 10^3 bar

False

18

The pascal is the unit of pressure

True

19

10 m water pressure is equivalent to 760 mmHg

True

20

Frictional losses mean that kinetic energy recovered is always less than the original potential energy

True

21

Units of energy are N/m

False

22

The kinetic energy contained in 2 kg object moving at a velocity of 4 m/sec is 32 J

False

23

The work done in compressing a ventilator bellows of cross sectional area A, through a pressure differential P through a displacement d is Pd/A

False

24

The work done in compressing a gas between two pressures and two volumes is proportional to the slope of the P-V curve between those two points

False

25

Units of heat energy are joules

True

26

When a substance changes state it does so without changing temp

Tue

27

Condensation is the main form of heat loss in patients

False

28

Temperature K=C +273

True

29

The triple point of water occure at 1 bar pressure and 273.16 K

False

30

In adiabatic energy exchange in a gas, the temperature remains constant

False