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Did you know?

There can actually be a 25-hour time difference between certain locations in the world. The International Date Line passes between the islands of Samoa and American Samoa. It is not a straight line, but "zig-zags" around various island chains. Therefore, Samoa and nearby islands have one date, while American Samoa and nearby islands are one day behind. Daylight saving time is used in some islands, but not in others—further shifting the hours out of sync with natural time.

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The U.S. Preventive Services Task Force recommends that all women age 65 years of age or older should be screened with bone densitometry.

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Nearly 31 million adults in America have a total cholesterol level that is more than 240 mg per dL.

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The eye muscles are the most active muscles in the whole body. The external muscles that move the eyes are the strongest muscles in the human body for the job they have to do. They are 100 times more powerful than they need to be.

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Elderly adults are at greatest risk of stroke and myocardial infarction and have the most to gain from prophylaxis. Patients ages 60 to 80 years with blood pressures above 160/90 mm Hg should benefit from antihypertensive treatment.

Landmarks of the Area Around the Mouth Landmarks of the Area Around the Mouth
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.
Tag identify that the power has been removed and service work is being done. Tag identify that the power has been removed and service work is being done.
Follow the on-screen instructions. Follow the on-screen instructions.
Mastering Biology Question Mastering Biology Question
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Video: Chemical Synapse Animation

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