Which metabolite of hemoglobin imparts the yellowish tinge found in plasma and in the condition of jaundice?
A) transferring
B) biliverdin
C) ferritin
D) bile
E) bilirubin
Answer: E) bilirubin
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Which of the following statements is most correct regarding the intracellular chemical signals known as "second messengers"?
A) Second messengers act through receptors called K-proteins. B) Second messengers usually inactivate protein kinase enzymes. C) Cyclic AMP and calcium may be second messengers. D) Second messengers usually act to remove nitric oxide (NO) from the cell.
When the lymphatic structures of a limb are blocked due to tumors, the result is ________
A) increased pressure in the lymphatics proximal in the limb to the blockage B) abnormally high lymph drainage from the distal region C) shrinkage of tissues distal in the limb to the blockage due to inadequate delivery of lymph D) severe localized edema distal to the blockage of that limb
The mononuclear phagocytic system includes
A) monocytes, macrophages, and neutrophils. B) mast cells and megakaryocytes. C) basophils, neutrophils, and eosinophils. D) T lymphocytes and B lymphocytes.
The cell-mediated immune response involves the actions of both B and T lymphocytes
Indicate whether the statement is true or false