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Nervous System
This category is for questions about the mechanical and chemical process of reactions to internal and external stimuli, ranging from the brain down to the spinal cord, and all nerves, cells and tissues in between.
3,047 Questions
decreasing amplitude
At what speed are nerve impulses conducted in myelinated and unmyelinated neurons?
In thick well insulated (myelinated) neurones the impulse can travel in excess of 100m/s.
In unmyelinated neurones the impulse can be conducted at less than 1m/s
Why would you need to see a urologist?
Urologists specialise in the urinary tract. This includes the ureters, bladder and urethra. They also deal with problems of the kidney, though kidney specialists are called nephrologists.
So, kidney stones or infections, bladder cancer, prostatic hyptertrophy...
There are many reasons.
A woman may need to visit a urologist if their general practitioner or internist refers them for more specialized attention due to issues with their URINARY TRACT. Possibly a recurrent bladder infection, or kidney infection, or cysts, etc. Men may seek examination from a urologist because of similar reasons, to include prostate problems.
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Why a can nervous disorder affect motion?
Yes. A nervous disorder can affect motion. Muscles are controlled by the nervous system so malfunctions can cause muscle movements to be disturbed. In extreme cases such as ALS it can cause lost of muscle control entirely.
Why do you have lines on our hands?
When you hold your palm you will notice the wrinkles, or lines as you call them. Without your lines you are not able to hold things. But there are also very small, minor lines which are thought to be the result of brain action. There is some theory saying that you nervous system is reflected on your hand by palm lines. It's all about nerves which come from our brain. Some people believe that these lines are reflection of our mind, character form our brain.
Action that do not require thinking?
It's called an involuntary reaction, such as when you immediately remove your hand when touching a hot surface.
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What parts make up the fuel injection system?
Fuel travels from the fuel tank, through the fuel filter, propelled by the fuel pump. The Engine Control Module (aka the ECM or computer) controls the fuel pump through a relay; basically it provides a signal at the time the key is turned on to run the pump for a few seconds to generate pressure, and then turns the pump on when it detects the engine is running.
After the fuel filter, fuel enters the fuel rail(s) in which are mounted fuel injectors. The injectors are basically solenoids or electrically controlled valves. When signaled by the ECM they spray a measured amount of fuel into the intake manifold just before the mixture enters the combustion chamber.
Auxiliary to the fuel injection system are several sensors which the ECM takes into account to vary the pulse width delivered to the injectors, adding more or less fuel into the combustion mixture. Among these sensors are mass air flow or manifold air pressure sensors (either of which determines the amount of air flowing into the engine through the intake), intake air temperature sensor, engine coolant temperature sensor (to alter the mixture to help the car warm up more quickly), oxygen sensors (to determine whether the mixture burned completely -- was the mixture rich or lean).
How does a nurse assess cranial nerve function?
It entirely depends on which cranial nerve you are testing, having coffee in an unlabeled cup and blinding folding th pt is one test, tracing the pts face with a cotton tipped applicator is another test. There is a test for each cranial nerve.
What does new research show that may be able to help reverse havealtimers?
it is nantechnoiogy and caffine does not help
What are the causes of muscular insufficiency?
Muscular insuffciency means Failur of any muscle to control with its normal force ,especially such failure of any of the eye muscles
