PATHOLOGY MCQ
ENDOCRINE SYSTEM
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Question
[CLICK ON ANY CHOICE TO KNOW THE RIGHT ANSWER]
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Binds to receptor on target cell.
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Broken down by kidney or liver.
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Broken down when in contact with red blood cells.
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Broken down by enzymes in blood.
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Detailed explanation-1: -Answer and Explanation: Among the given options, the one which is not a function of blood is: A) Gather sensory information. Gathering sensory information is the function of nerve cells or neurons.
Detailed explanation-2: -Old or damaged RBCs are removed from the circulation by macrophages in the spleen and liver, and the hemoglobin they contain is broken down into heme and globin. The globin protein may be recycled, or broken down further to its constituent amino acids, which may be recycled or metabolized.
Detailed explanation-3: -Erythropoietin (EPO) is a glycoprotein hormone, naturally produced by the peritubular cells of the kidney, that stimulates red blood cell production.
Detailed explanation-4: -Peptide hormone erythropoietin secreted from the juxtaglomerular cells of kidney stimulates erythropoiesis.