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alternating pressure mattresses work to ensure that pressure points or bony prominences do not have constant pressure on them thereby lowering the risk of pressure sores.
Pressure is simply the constant bombardment of atoms against a container's wall. The hotter the substance inside the container, the faster the atoms are moving, thereby making the pressure increase.
Yes. Exactly correct.
The cerebral aqueduct is the narrow conduit, between the third and the fourth ventricles in the midbrain, that conveys the cerebrospinal fluid and thereby prevents its potentially deadly buildup in the brain. Also called the aqueduct of Sylvius.
A buildup of fluids in your throat thicken your vocal chords, thereby making your voice lower. It wears off because eventually that fluid goes away after you talk for some time.
The answer depends on what kind of pressure. If you mean the pressure exerted by gasses on the walls of a container (a balloon, for example), pressure is created by the motion of the molecules of gas. Temperature and density of the molecules are factors. Higher density results in higher pressure. Higher temperature creates more molecular motion, thereby creating higher pressure.
Conversation could alter your blood pressure if someone was saying something that you found to be very offensive, thereby causing anger and an adrenaline reaction, but normal conversation does not affect blood pressure.
ANH stands for atrial natriuretic hormone. It is released by the atria when to much pressure is bing applied to them (Blood pressure is to high). The hormone inhibits water reabsorbtion in the kidneys, thereby reducing blood volume and lowering blood pressure.
When infection or disease causes an excess of CSF in the ventricles, the shunt is placed to drain it and thereby relieve excess pressure
Not necessarily. Your body will try to compensate when it is in shock by raising the heartbeat (thereby increasing blood pressure). But sometimes the body can not compensate adequately. In this case, your blood pressure may not increase.
Inflation is when there is a large amount of money in circulation, thereby causing continuous pressure to raise prices.
Serious dehydration is a form of hypovolaemic shock and would lower BP.