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When a light is shone into one eye what happens to the pupil of the other eye?
When light is shone into one eye, the pupillary light reflex causes both pupils to constrict simultaneously due to the connection between the two eyes. This is known as a consensual response and helps to regulate the amount of light entering both eyes.
How does effector relate to reflex arc?
An effector is a part of the body (such as a muscle or gland) that carries out the response in a reflex arc. In a reflex arc, when a stimulus is detected by a sensory receptor, a message is sent via a sensory neuron to the spinal cord, where it is processed, and then a message is sent via a motor neuron to the effector causing a response.
What is the order of minimum elements in a relax arc?
1. The receptor reacts to a stimulus. 2. The sensory neuron conducts the afferent impulses to the CNS. 3. The integration center consists of one or more synapses in the CNS. 4. The motor neuron conducts the efferent impulses from the integration center to an effector. 5. The effector, muscle fibers or glands, respond to the efferent impulses by contraction or secretion a product, respectively.
Can pink eye transfer from one eye to the other?
Yes, pink eye can transfer from one eye to the other through touching or rubbing the infected eye and then touching the other eye.
What does od mean in eye drops?
"od" on a prescription for eye drops mean "right eye"--as in apply the drops to the right eye. "os" means "left eye".
Why must you shield your eyes from ultraviolet light?
Arc fleshes caused burns to the eye is conditional known as ARC EYE it is caused by looking directly at the arc with unprotected eyes.
Can the unaided eye resolve a crater on the moon whose angular diameter is 1 arc minute times 60 arc seconds. Take the pupil diameter to be 5 millimeters and the wavelength........?
I can resolve 100 arc seconds. If craters are 60 arc seconds I'd bet that there are people whose eyes are good enough. 60 arc seconds is certainly within the 20 arc second maximum capability of the eye.
Im a welder should i go to work with a broken eye vessel?
Absolutely not. Your eye is already damaged and the rays from the arc will only irritate it more.
What type harmful rays do arc welding processes produce?
Arc welding processes produce harmful rays such as ultraviolet (UV) radiation and infrared (IR) radiation, which can cause skin burns and eye damage if proper protection is not used. Additionally, arc welding can produce visible light that can be intense and lead to eye strain or temporary blindness.
Why do welding glasses protect us from eye damage?
Direct exposure to the light from a welding arc can damage the sensitive retna behind the eye. Welding glasses are tinted to block most of the light from entering the eye.
Buying an Attractive Arc Floor Lamp?
An arc floor lamp can not only make your room attractive, but it can help shed light on something that you are reading or something you are doing on your computer. This reduces eye strain.
What does ARC mean in ARC welding?
In arc welding the electrode (welding rod) is held just a little space away from the workpiece and electric current jumps from the electrode to the work piece carrying material from the rod with it. This material is deposited at the weld site mixed with molten metal from the workpiece. The jumping current is referred to as the arc. You can see it if you are wearing welding glasses with the proper dark lens. Looking at the arc without eye protection will often result in a splitting headache later and, if done recklessly and too long, permanent eye damage can result---in other words, blindness.
What distance is safe to view arc welding?
You should never look directly at an arc, no matter what the distance. If you need or want to observe, you must have the same eye protection the weldor is using! The problem is eye injury from an arc (this is called 'flashing' your eyes) does not hurt or bother you sometimes until several hours after it has happened. You cannot tell by discomfort or pain if you are too close. By the time the pain sets in, it is too late, and believe me, the pain in your eyes is excruciating. It feels like sand is being ground into your eyeballs. Don't risk it. Use the proper eye protection.
How many parts are there in naruto?
NARUTO: Zabuza Arc Chunin Exam Arc Leaf Destruction Arc Tsunade Search Arc Chasing Sasuke Arc NARUTO SHIPPUDEN: Saving Gaara Arc Sasuke Reunion Arc Immortal Duo Arc Sasuke vs Itachi Arc Pain Arc War Arc
What is full form of ARC in arc welding?
The 'arc' in arc welding is not an acronym but in turn is a reference to the electric arc that is being generated during the welding process.
Is a circle an arc?
an arc is a segment of a circle. If the arc subtends a full angle of 360 degrees, then the arc is a circle; but this is a special case of an arc.
Arc length equals the measure of the arc?
The arc length is the radius times the arc degree in radians
