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Did you know?

Vampire bats have a natural anticoagulant in their saliva that permits continuous bleeding after they painlessly open a wound with their incisors. This capillary blood does not cause any significant blood loss to their victims.

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Signs and symptoms of a drug overdose include losing consciousness, fever or sweating, breathing problems, abnormal pulse, and changes in skin color.

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The average older adult in the United States takes five prescription drugs per day. Half of these drugs contain a sedative. Alcohol should therefore be avoided by most senior citizens because of the dangerous interactions between alcohol and sedatives.

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

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Prostaglandins were first isolated from human semen in Sweden in the 1930s. They were so named because the researcher thought that they came from the prostate gland. In fact, prostaglandins exist and are synthesized in almost every cell of the body.

Comparison of normal-shaped erythro- cytes and the abnormal sickle shape noted in patients with sick Comparison of normal-shaped erythro- cytes and the abnormal sickle shape noted in patients with sick
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Needle-nose pliers are used where there is limited access to a wire or pin that needs to be ... Needle-nose pliers are used where there is limited access to a wire or pin that needs to be ...
Video: How do the different types of chromatography work? (No Audio)

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