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Normal urine is sterile. It contains fluids, salts, and waste products. It is free of bacteria, viruses, and fungi.

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Anesthesia awareness is a potentially disturbing adverse effect wherein patients who have been paralyzed with muscle relaxants may awaken. They may be aware of their surroundings but unable to communicate or move. Neurologic monitoring equipment that helps to more closely check the patient's anesthesia stages is now available to avoid the occurrence of anesthesia awareness.

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All patients with hyperparathyroidism will develop osteoporosis. The parathyroid glands maintain blood calcium within the normal range. All patients with this disease will continue to lose calcium from their bones every day, and there is no way to prevent the development of osteoporosis as a result.

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More than 2,500 barbiturates have been synthesized. At the height of their popularity, about 50 were marketed for human use.

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Once thought to have neurofibromatosis, Joseph Merrick (also known as "the elephant man") is now, in retrospect, thought by clinical experts to have had Proteus syndrome. This endocrine disease causes continued and abnormal growth of the bones, muscles, skin, and so on and can become completely debilitating with severe deformities occurring anywhere on the body.

Closeup of the head of a giraffe at the Melbourne Zoo Closeup of the head of a giraffe at the Melbourne Zoo
ACNE black head. ACNE black head.
Schematic of an IgG molecule: Two heavy and 2 light chains are linked together by disulfide bonds. ... Schematic of an IgG molecule: Two heavy and 2 light chains are linked together by disulfide bonds. ...
Cradle the head to finish. Rest the head on the table. Place your fingers on the sides of the head ... Cradle the head to finish. Rest the head on the table. Place your fingers on the sides of the head ...
Phrenology model showing areas of the head overlaying brain regions that control different traits. I Phrenology model showing areas of the head overlaying brain regions that control different traits. I
Video: Digestion Animation

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