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True or False



This activity contains 10 questions.

Question 1.
Bilirubin in a waste product formed during the removal of worn-out red blood cells.

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Question 2.
White blood cells are enucleated.

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Question 3.
Thrombin converts fibrinogen to fibrin, which eventually becomes the mesh-like blood clot.

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Question 4.
Dyscrasia is a general term indicating the presence of a disease affecting blood.

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Question 5.
Polycythemia vera is caused by a Vitamin B12 deficiency.

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Question 6.
A hematocrit measures the amount of hemoglobin present in a given volume of blood.

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Question 7.
The spleen is responsible for filtering out and destroying old white blood cells.

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Question 8.
Macrophages are present throughout the body and are actively phagocytic, engulfing any pathogen they encounter.

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Question 9.
A nosocomial infection occurs as a result of hospital exposure to a pathogen.

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Question 10.
Anaphylactic shock forms fibrous lesions, especially in the lymph nodes, liver, skin, lungs, and spleen.

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