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Author Question: A client of Eastern Europe descent who gave birth to her third child the previous shift tells the ... (Read 23 times) |
When blood is exposed to air, it clots. Heparin allows the blood to come in direct contact with air without clotting.
By definition, when a medication is administered intravenously, its bioavailability is 100%.
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.
Before a vaccine is licensed in the USA, the Food and Drug Administration (FDA) reviews it for safety and effectiveness. The CDC then reviews all studies again, as well as the American Academy of Pediatrics and the American Academy of Family Physicians. Every lot of vaccine is tested before administration to the public, and the FDA regularly inspects vaccine manufacturers' facilities.
Pubic lice (crabs) are usually spread through sexual contact. You cannot catch them by using a public toilet.