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Chapter: 12.4 / Q: 24
Which of the following statements about stationary liquids is FALSE?
Chapter: 12.4 / Q: 25
Which of the following is closest to a statement of Poiseuille’s law?
Chapter: 12.4 / Q: 26
The symbols in Poiseuille’s law have the following meanings: V represents the volume flow rate; ΔP the pressure drop; R the radius of the tube; η the viscosity of the liquid; l the length of the tube. Which of the following relationships from Poiseuille’s law is NOT correct?
Chapter: 12.4 / Q: 27
The quantity called ‘pressure’ is defined as the
Chapter: 12.4 / Q: 28
The unit of pressure called the ‘pascal’ (symbol Pa) is the name given to which of the following combination of units?
Chapter: 12.4 / Q: 29
The millimetre of mercury (mm Hg) is one of the non-SI units used in the measurement of pressure. It is used because:
Chapter: 12.4 / Q: 30
Which of the following statements about pressure is true?
Chapter: 12.4 / Q: 31
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
Chapter: 12.4 / Q: 32
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?
Chapter: 12.4 / Q: 33
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
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