Answer:
1 When light hits the retina (a light-sensitive layer of tissue at the back of the eye), special cells called photo receptors turn the light into electrical signals.
These electrical signals travel from the retina through the optic nerve to the brain. Then the brain turns the signals into the images you see.Focal vision is involved in examining and recognizing objects related with the macular area of the retina whereas peripheral vision is vision resulting in stimulation of the retina outside the macula. An example of peripheral vision would be looking straight ahead while also being able to see on the side by the eye.
Explanation:
2The pituitary gland is enveloped by dura and sits within the sella turcica of the sphenoid bone. The sella turcica is a saddle-shaped depression that surrounds the inferior, anterior, and posterior aspects of the pituitary.When a pituitary tumor pushes the optic chiasm, it causes visual loss in both eyes. In addition to the optic nerve, which brings vision from the eye to the brain, there are also several other nerves near the pituitary gland that travel to the eyes and help them move normally.
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The nurse should provide following information to the patient to prevent constipation: addition of whole-grain cereal, cessation of laxative use, increase in liquid intake, eating fresh vegetables.
Constipation is a problem of the digestive system. The symptoms include less bowel movement, hard stools than can be painful, and the feeling that stool has not completely passed. The causes for the same can be less fiber diet, low intake of fluids, immobility of the body, no exercise, etc.
Laxative is the medicine for treating constipation. The intake of laxatives should be accompanied with intake of plentiful fluids as well.
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Answer:
1. This could be a scary or dangerous situation and you don't want strangers to distract you.
2. The situation could be very personal to you or your family member, and it could be embarrassing for a stranger to know.
Pain and swelling in the elbows.
