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Did you know?

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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When blood is deoxygenated and flowing back to the heart through the veins, it is dark reddish-blue in color. Blood in the arteries that is oxygenated and flowing out to the body is bright red. Whereas arterial blood comes out in spurts, venous blood flows.

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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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Sperm cells are so tiny that 400 to 500 million (400,000,000–500,000,000) of them fit onto 1 tsp.

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Congestive heart failure is a serious disorder that carries a reduced life expectancy. Heart failure is usually a chronic illness, and it may worsen with infection or other physical stressors.

Stained section of cerebral cortex from autopsy of a patient with Creutzfeldt-Jakob disease Stained section of cerebral cortex from autopsy of a patient with Creutzfeldt-Jakob disease
Medical assistants are often involved in confidential conversations between the physician and the pa Medical assistants are often involved in confidential conversations between the physician and the pa
The medical assistant often has to reassure and comfort the patient before effective communication c The medical assistant often has to reassure and comfort the patient before effective communication c
Dialysis machine showing diffusion of concentrations, which are the same, between the patient’s ... Dialysis machine showing diffusion of concentrations, which are the same, between the patient’s ...
ROM exercises on a patient’s wrist: extension. ROM exercises on a patient’s wrist: extension.
Instructing a Patient to Use Crutches Correctly Instructing a Patient to Use Crutches Correctly
Video: Wound Cultures

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