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Did you know?

Common abbreviations that cause medication errors include U (unit), mg (milligram), QD (every day), SC (subcutaneous), TIW (three times per week), D/C (discharge or discontinue), HS (at bedtime or "hours of sleep"), cc (cubic centimeters), and AU (each ear).

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As many as 20% of Americans have been infected by the fungus known as Histoplasmosis. While most people are asymptomatic or only have slight symptoms, infection can progress to a rapid and potentially fatal superinfection.

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Each year in the United States, there are approximately six million pregnancies. This means that at any one time, about 4% of women in the United States are pregnant.

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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.

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The shortest mature adult human of whom there is independent evidence was Gul Mohammed in India. In 1990, he was measured in New Delhi and stood 22.5 inches tall.

Nonverbal communications convey strong, powerful messages that may be negative or positive. Nonverbal communications convey strong, powerful messages that may be negative or positive.
Negative feedback control of a regulated variable. Negative feedback control of a regulated variable.
A negative feedback loop. A negative feedback loop.
The bacterial cell wall: (a) gram-positive bacterium; (b) gram-negative bacterium. The bacterial cell wall: (a) gram-positive bacterium; (b) gram-negative bacterium.
Negative and positive feedback loops Negative and positive feedback loops
Suppressing Negative Emotions Suppressing Negative Emotions
Video: Control of ventilation rate by other brain centers (posts, hypothalamus & cerebral cortex)

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