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Did you know?

The Babylonians wrote numbers in a system that used 60 as the base value rather than the number 10. They did not have a symbol for "zero."

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Asthma is the most common chronic childhood disease in the world. Most children who develop asthma have symptoms before they are 5 years old.

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The tallest man ever known was Robert Wadlow, an American, who reached the height of 8 feet 11 inches. He died at age 26 years from an infection caused by the immense weight of his body (491 pounds) and the stress on his leg bones and muscles.

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Most childhood vaccines are 90–99% effective in preventing disease. Side effects are rarely serious.

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Glaucoma is a leading cause of blindness. As of yet, there is no cure. Everyone is at risk, and there may be no warning signs. It is six to eight times more common in African Americans than in whites. The best and most effective way to detect glaucoma is to receive a dilated eye examination.

The nurse assesses the patient's ability to use the walker correctly The nurse assesses the patient's ability to use the walker correctly
Pulmonary function test: spirometry. (a) Normal respiratory volumes, as measured during spirometry. Pulmonary function test: spirometry. (a) Normal respiratory volumes, as measured during spirometry.
Stained section of cerebral cortex from autopsy of a patient with Creutzfeldt-Jakob disease Stained section of cerebral cortex from autopsy of a patient with Creutzfeldt-Jakob disease
Position of patient to assess jugular vein distention Position of patient to assess jugular vein distention
The correct beginning position for the patient’s feet and crutches (tripod position). The correct beginning position for the patient’s feet and crutches (tripod position).
Video: Female Reproductive System - Hormonal regulation (GnRH) الجهاز التناسلي للأنثى - التنظيم الهرموني

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