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Vital signs (blood pressure, temperature, pulse rate, respiration rate) should be taken before any drug administration. Patients should be informed not to use tobacco or caffeine at least 30 minutes before their appointment.

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Autoimmune diseases occur when the immune system destroys its own healthy tissues. When this occurs, white blood cells cannot distinguish between pathogens and normal cells.

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Signs and symptoms that may signify an eye tumor include general blurred vision, bulging eye(s), double vision, a sensation of a foreign body in the eye(s), iris defects, limited ability to move the eyelid(s), limited ability to move the eye(s), pain or discomfort in or around the eyes or eyelids, red or pink eyes, white or cloud spots on the eye(s), colored spots on the eyelid(s), swelling around the eyes, swollen eyelid(s), and general vision loss.

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Pope Sylvester II tried to introduce Arabic numbers into Europe between the years 999 and 1003, but their use did not catch on for a few more centuries, and Roman numerals continued to be the primary number system.

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Sperm cells are so tiny that 400 to 500 million (400,000,000–500,000,000) of them fit onto 1 tsp.

Helping maintain accurate patient records is a critical part of the medical assistant's work. Helping maintain accurate patient records is a critical part of the medical assistant's work.
A caduceus, the emblem of the medical profession. A caduceus, the emblem of the medical profession.
Fax machines are used in many medical offices, although newer technologies including scanners and ... Fax machines are used in many medical offices, although newer technologies including scanners and ...
Comparison of Paper Medical Records and Electronic Health Records Comparison of Paper Medical Records and Electronic Health Records
A spark plug thread chaser is a low-cost tool that hopefully will not be used often, but is ... A spark plug thread chaser is a low-cost tool that hopefully will not be used often, but is ...
Cost of Laptops Cost of Laptops
Video: Complement Proteins Animation

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