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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.

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On average, the stomach produces 2 L of hydrochloric acid per day.

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People with alcoholism are at a much greater risk of malnutrition than are other people and usually exhibit low levels of most vitamins (especially folic acid). This is because alcohol often takes the place of 50% of their daily intake of calories, with little nutritional value contained in it.

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Giardia is one of the most common intestinal parasites worldwide, and infects up to 20% of the world population, mostly in poorer countries with inadequate sanitation. Infections are most common in children, though chronic Giardia is more common in adults.

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Pink eye is a term that refers to conjunctivitis, which is inflammation of the thin, clear membrane (conjunctiva) over the white part of the eye (sclera). It may be triggered by a virus, bacteria, or foreign body in the eye. Antibiotic eye drops alleviate bacterial conjunctivitis, and antihistamine allergy pills or eye drops help control allergic conjunctivitis symptoms.

Examples of deep-sea corals found in the Sable Gully, 200 km off the coast of Nova Scotia. Examples of deep-sea corals found in the Sable Gully, 200 km off the coast of Nova Scotia.
Miocene apes were found throughout Europe, continental Asia, and Africa. Miocene apes were found throughout Europe, continental Asia, and Africa.
The cell membrane, cytoplasm, nucleus, nucleolus, ribosomes, centrioles, and mitochondria. The cell membrane, cytoplasm, nucleus, nucleolus, ribosomes, centrioles, and mitochondria.
The cell membrane, cytoplasm, nucleus, nucleolus, ribosomes, centrioles, mitochondria, endoplasmic ... The cell membrane, cytoplasm, nucleus, nucleolus, ribosomes, centrioles, mitochondria, endoplasmic ...
This battery cable was found corroded underneath. The corrosion had eaten through the insulation yet ... This battery cable was found corroded underneath. The corrosion had eaten through the insulation yet ...
How to analyze trends found in graphs How to analyze trends found in graphs
Video: Pneumonia Animation

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