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Did you know?
In 1864, the first barbiturate (barbituric acid) was synthesized.
Did you know?
Vital signs (blood pressure, temperature, pulse rate, respiration rate) should be taken before any drug administration. Patients should be informed not to use tobacco or caffeine at least 30 minutes before their appointment.
Did you know?
There are more bacteria in your mouth than there are people in the world.
Did you know?
The immune system needs 9.5 hours of sleep in total darkness to recharge completely.
Did you know?
Everyone has one nostril that is larger than the other.