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Normal urine is sterile. It contains fluids, salts, and waste products. It is free of bacteria, viruses, and fungi.

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Human stomach acid is strong enough to dissolve small pieces of metal such as razor blades or staples.

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The first monoclonal antibodies were made exclusively from mouse cells. Some are now fully human, which means they are likely to be safer and may be more effective than older monoclonal antibodies.

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In inpatient settings, adverse drug events account for an estimated one in three of all hospital adverse events. They affect approximately 2 million hospital stays every year, and prolong hospital stays by between one and five days.

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Hypertension is a silent killer because it is deadly and has no significant early symptoms. The danger from hypertension is the extra load on the heart, which can lead to hypertensive heart disease and kidney damage. This occurs without any major symptoms until the high blood pressure becomes extreme. Regular blood pressure checks are an important method of catching hypertension before it can kill you.

Using a sphygmomanometer to measure blood pressure. Using a sphygmomanometer to measure blood pressure.
Scale used to measure pupil size in millimeters. Scale used to measure pupil size in millimeters.
Standard Model of Elementary Particles Standard Model of Elementary Particles
Calipers are used to measure the body fat on the triceps of a patient. Calipers are used to measure the body fat on the triceps of a patient.
What Is a Standard Drink? What Is a Standard Drink?
Standard Symbols Used in Pedigrees Standard Symbols Used in Pedigrees
Video: Contraction and Relaxation Animation

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