« previous next »
« previous next »
 

Did you know?

Malaria was not eliminated in the United States until 1951. The term eliminated means that no new cases arise in a country for 3 years.

Did you know?

Only 12 hours after an egg cell is fertilized by a sperm cell, the egg cell starts to divide. As it continues to divide, it moves along the fallopian tube toward the uterus at about 1 inch per day.

Did you know?

Though newer “smart” infusion pumps are increasingly becoming more sophisticated, they cannot prevent all programming and administration errors. Health care professionals that use smart infusion pumps must still practice the rights of medication administration and have other professionals double-check all high-risk infusions.

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?

Asthma-like symptoms were first recorded about 3,500 years ago in Egypt. The first manuscript specifically written about asthma was in the year 1190, describing a condition characterized by sudden breathlessness. The treatments listed in this manuscript include chicken soup, herbs, and sexual abstinence.

Cell-wall structure of Gram-positive and Gram-negative bacteria. Cell-wall structure of Gram-positive and Gram-negative bacteria.
(A) The nine regions of the abdominopelvic cavity. (B) The four regions of the abdomen, which are re (A) The nine regions of the abdominopelvic cavity. (B) The four regions of the abdomen, which are re
Make a note of the reading on the gauge after the first “puff,” which indicates the first ... Make a note of the reading on the gauge after the first “puff,” which indicates the first ...
Skin testing. Note the spot labeled H, which is the positive histamine control, and the spot labeled ... Skin testing. Note the spot labeled H, which is the positive histamine control, and the spot labeled ...
OraQuick. A negative result would show a red line at the "C" mark, whereas a positive ... OraQuick. A negative result would show a red line at the "C" mark, whereas a positive ...
Doty's data show a very rapid drop in late adulthood in the ability to identify smells Doty's data show a very rapid drop in late adulthood in the ability to identify smells
Video: Transmission Across a Synapse

For a complete list of videos, visit our video library