Module 1 - Pressure and Static Pressure

Question 1

An effect when force is applied on a given area

Answer 1

Pressure

Question 2

When the same force is concentrated in a small area, the pressure on this area will be ———-

Answer 2

Greater

Question 3

The greater the area over which force is applied, the —- pressure is exerted

Answer 3

Less

Question 4

What is the standard unit of pressure

Answer 4

Pascal (Pa) or kilopascal (kPa)

Question 5

What is the measurement of normal air pressure

Answer 5

101.3kPa

Question 6

What is the measurement of blood gases: partial pressure of o2

Answer 6

13.3kPa

Question 7

British units of pressure

Answer 7

Pounds/square inch (psi)

Question 8

Air in car tyres =

Answer 8

28psi or 190kPa

Question 9

Pressure exerted by the atmosphere against the body

Answer 9

Atmospheric pressure

Question 10

What is measured by the displacement of a column of liquid?

Answer 10

Atmospheric pressure

Question 11

mmHG

Answer 11

Millimeters of Mercury

Question 12

1 Atm =

Answer 12

760 mmHG

Question 13

Pressure that blood exerts on the walls of blood vessels

Answer 13

Blood pressure

Question 14

Used to measure blood pressure

Answer 14

Manometer - sphygmomanometer

Question 15

The measure of BP is based on the effect that an ——— ——– has on the ——— ————

Answer 15

external pressure; arterial pressure

Question 16

Where is BP usually measured on the body?

Answer 16

At the brachial artery

Question 17

When blood just starts to flow into the artery, the turbulent flow creates a whooshing sound

Answer 17

Systolic blood pressure

Question 18

Pressure on the cuff is released until no sound can be heard

Answer 18

Diastolic BP

Question 19

Contraction of the heart

Answer 19

Systole

Question 20

Relaxation of the heart

Answer 20

Diastole

Question 21

Normal BP range for systolic

Answer 21

90-140 mm Hg

Question 22

Normal BP range for diastolic

Answer 22

70-90 mm Hg

Question 23

What changes BP?

Answer 23

Blood pressure diameter
Cardiac output (blood volume)

Question 24

Not all ———– have mercury in them

Answer 24

Manometers

Question 25

1kPa = mm Hg = cm H2o

Answer 25

7.5, 10.2

Question 26

Other pressures in the body include

Answer 26

respiration | pressure sores

Question 27

If a person remains in bed for long periods, it results in S------------- --- pressure to the body

Answer 27

Sustained low

Question 28

If a person remains in bed for long periods, it results in ------------- of blood flow to tissue

Answer 28

deficiency

Question 29

If a person remains in bed for long periods, it results in

Answer 29

pressure sores

Question 30

Fluid in an enclosed container

Answer 30

Static liquid

Question 31

Properties of liquids under pressure are important for

Answer 31

body function

Question 32

Properties of liquid under pressure are important for movement of B---- and L-----

Answer 32

Blood; lymph

Question 33

Properties of liquid under pressure are important for F----- M------------ across memebranes

Answer 33

Fluid movement

Question 34

Properties of liquid under pressure are important for B-------- F-----------

Answer 34

Bladder function

Question 35

Pressure is dependent on the ------ of the liquid and the --------- of the liquid

Answer 35

Depth, density

Question 36

greatest depth = ----------- flow rate

Answer 36

highest

Question 37

greatest density =

Answer 37

Highest pressure

Question 38

Pressure is exerted ---------- in all direction in a static liquid

Answer 38

Equally

Question 39

Any change in pressure in an enclosed fluid is transmitted equally to every part of the fluid

Answer 39

Pascal's principle