Give a reason why a person might experience polycythemia: _____ Which of the fol

Question

Give a reason why a person might experience polycythemia: _____ Which of the following occupies the largest portion of blood volume in the average healthy adult? A) Erythrocytes B) Leukocytes C) Platelets D) Plasma True or false: Hemes carry both CO_2 and O_2 for red blood cells. _____ Sally has blood type A+ and needs a transfusion. List all the blood types she can safely receive: Pernicious anemia is caused by: A) Dietary iron deficiency B) Loss of hemopoietic tissues due to radiation or toxins C) Inability of the body to absorb sufficient vitamin B_12 D) Loss of red blood cells due to trauma or bleeding What are gamma globulins? A) Plasma proteins which act as clotting factors when a blood vessel is broken B) Plasma proteins that act as antibodies for the immune system C) Proteins found in erythrocytes that help to carry oxygen D) Proteins found in leukocytes that help to combat allergens True or false: Men are more likely to have hemophilia than women because the gene for the disease found on the Y chromosome. _____ Which of the following types of leukocytes phagocytizes bacteria? A) Neutrophils B) Eosinophils C) Basophils D) All leukocytes phagocytize bacteria _____ is caused by cancer of the hemopoietic tissues. A) Leukopenia B) Leukocytosis C) Leukemia D) Leukoneuria _____ is the formation of abnormal blood clots within a blood vessel. During the common pathway, which of the following events takes place? A) A platelet plug forms to seal small breaks B) Vascular spasm limits blood flow to the site of injury C) Fibrinogen is broken into threads of fibrin to form a clot D) All of the above

Explanation / Answer

2) Polycythemia is a condition characterised by increase in the number of red blood cells. A person may experience Polycythemia under following conditions,

3) The largest component of blood is plasma which constitute 95% of the blood. So, the answer here is option D (plasma).

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