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Clinical Nursing

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Submitted By braham
Words 773
Pages 4
Outline the concepts of forces, pressure and simple machines in relation to health care
(PC 1.3)

Question 1
Match the following words with their CORRECT definitions a. Equilibrium __ is a grooved wheel on a pin or axle b. Pulley __ force that acts between 2 surfaces c. Traction __ balance of equal and opposite forces d. Friction __ A force that results when fluid (gas / liquid) particles collide with each other and the container e. Pressure __ The manual or mechanical of force to the body

Question 2
When in anatomical position, where is the centre of gravity in the human body? (Circle the most correct answer)

a. In the pelvic region near the base of the spine b. In a horizontal line running from the head c. In our arms when they are extended d. In our chest

Question 3
A single movable pulley offers; (Circle the most correct answer)

a. Changes the direction the force is applied (directional advantage) b. Decreases the amount of force you must apply to lift the load (mechanical advantage) c. Changes the direction and reduces the force required to lift the load d. Increases the force required to lift the load

Question 4
What is friction? ______________________________________________________________________________________________________________________________________________________
Question 5
Using the word friction, explain how a patient may develop pressure sores / bed sores. _________________________________________________________________________________________________________________________________________________________________________________________________________________________________

Question 6
Complete the following table

Type of lever | Diagram of lever | Example of lever | 2nd class lever | | | | | | | |

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