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Wael Hammad Questions
10601 Questions
Given that 20 % of the air at the normal pressure of 100 kPa is oxygen, then what is the partial pressure of oxygen?
Medicine
2022-10-18
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The kinetic molecular theory of gases provides us with some valuable insights into the behaviour of gases. One correct prediction of the theory is: That gas pressure is:
Medicine
2022-10-18
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Which of the following statements from kinetic molecular theory can be used to explain why a region of low pressure will result in gas particles rushing into that region?
Medicine
2022-10-18
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Boyle’s law states: ‘when the volume (V) of a fixed amount of gas decreases, its pressure (P) will increase, and vice versa (provided that the temperature (T) doesn’t change)’. In symbols, this law is:
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2022-10-18
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The consideration of pressure in gases differs from pressure in liquids because
Medicine
2022-10-18
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Pascal’s principle (‘pressure applied to an enclosed fluid at rest is transmitted to every portion of the fluid and to the walls of the containing vessel’) may be used to understand which of the following phenomena?
Medicine
2022-10-18
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A bedridden patient is less likely to develop bed sores while lying on a water bed. This is because:
Medicine
2022-10-18
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A patient lying on a mattress of enclosed air is less likely to develop decubitis ulcers because the:
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2022-10-18
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The measurement of cerebrospinal fluid (CSF) pressure is made while the patient is lying down rather than sitting up. The horizontal posture prevents a false high reading due to
Medicine
2022-10-18
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A bed-ridden patient (whose mass is 60 kg) is lying on a firm mattress so that the area of contact between the mattress and the patient’s bony prominences (shoulders, buttocks and heels) is 600 cm² . Given that pressure is force divided by area, and that the acceleration?
Medicine
2022-10-18
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When an 80 kg person is seated on a stool so that the area of contact is 400 cm² , the pressure on the stool due to the person’s weight is very nearly
Medicine
2022-10-18
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Which of the following statements about pressure is true?
Medicine
2022-10-18
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The millimetre of mercury (mm Hg) is one of the non-SI units used in the measurement of pressure. It is used because:
Medicine
2022-10-18
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