« previous next »
« previous next »
 

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.

Did you know?

Drug-induced pharmacodynamic effects manifested in older adults include drug-induced renal toxicity, which can be a major factor when these adults are experiencing other kidney problems.

Did you know?

Certain topical medications such as clotrimazole and betamethasone are not approved for use in children younger than 12 years of age. They must be used very cautiously, as directed by a doctor, to treat any child. Children have a much greater response to topical steroid medications.

Did you know?

People about to have surgery must tell their health care providers about all supplements they take.

Did you know?

Lower drug doses for elderly patients should be used first, with titrations of the dose as tolerated to prevent unwanted drug-related pharmacodynamic effects.

Prolapsed uterus. (a) A prolapse is the abnormal drop of the uterus into the vagina, representing th Prolapsed uterus. (a) A prolapse is the abnormal drop of the uterus into the vagina, representing th
Hong Kong is a strange situation. A British colony since 1842, it was handed back to China in 1997 a Hong Kong is a strange situation. A British colony since 1842, it was handed back to China in 1997 a
Drugs for Hormone Replacement Therapy and Uterine Abnormalities Drugs for Hormone Replacement Therapy and Uterine Abnormalities
Population Growth and Change Population Growth and Change
A deficiency of linoleic acid can interfere with normal growth and result in inflammation A deficiency of linoleic acid can interfere with normal growth and result in inflammation
Secondary growth Secondary growth
Video: Negative Feedback Regulation of Blood Pressure

For a complete list of videos, visit our video library