Old erythrocytes are phagocytized in the
A. spleen.
B. spleen and lung.
C. liver.
D. liver and spleen.
E. lung.
Answer: D
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The sectional imaging modality preferred for head trauma is CT, as it can demonstrate skull and/or facial fractures as well as brain injury.
Answer the following statement true (T) or false (F)
In vertebrates, most of the bicarbonate in the blood is carried in the
A) Plasma. B) Red blood cell. C) Carbaminohemoglobin. D) Metabolon.
Select all examples that demonstrate how inflammation protects the body. (Check all that apply.)
A. Clotting that occurs helps to isolate injurious agents. B. During inflammation, blood vessels dilate, increasing the delivery of white blood cells to the area. C. Blood vessels become more permeable and allow white blood cells to move into damaged tissue more easily. D. Inflammation allows for the formation of antibodies that will help fight infectious agents.
Which of the following is not true of otoliths?
A. They cause the stereocilia to bend, which is the stimulus for sending nerve impulses to the cerebrum. B. They add weight to the otolithic membrane as the head is tilted, which causes it to sag. C. They are embedded in the gelatinous portion of the otolithic membrane. D. They consist of magnesium chloride. E. All of these are true of otoliths.