Erythropoietin is what type of a signaling molecule? What stimulus causes activa
ID: 50830 • Letter: E
Question
Erythropoietin is what type of a signaling molecule?
What stimulus causes activation of this feedback loop?
What effect does erythropoietin have in its target tissue?
What is the targe tissue upon which erythopoietin acts?
Cells of which organ or tissue serve as the sensors for this feedback loop?
What parameter is being monitored by the sensors of this feedback loop?
Cells of which organ or tissue serve as the effectors for this feedback loop?
Oxygen tension in the blood
Red blood cell production in the bone marrow
Hormone production in the kidney
Kidney
Bone Marrow
Blood
Osteoblasts (bone forming cells)
Increases Red Blood Cell (RBC) production
Kidney Cells
Hormone
Neurotransmitter
Cytokine
Bone Marrow
Decreases Red Blood Cell (RBC) production
Increased oxygen tension in the blood
Decreased oxygen tension in the blood
Osteoclasts (bone resorbing cells)
Erythropoietin is what type of a signaling molecule?
What stimulus causes activation of this feedback loop?
What effect does erythropoietin have in its target tissue?
What is the targe tissue upon which erythopoietin acts?
Cells of which organ or tissue serve as the sensors for this feedback loop?
What parameter is being monitored by the sensors of this feedback loop?
Cells of which organ or tissue serve as the effectors for this feedback loop?
1.Oxygen tension in the blood
2.Red blood cell production in the bone marrow
3.Hormone production in the kidney
4.Kidney
5.Bone Marrow
6.Blood
7.Osteoblasts (bone forming cells)
8.Increases Red Blood Cell (RBC) production
9.Kidney Cells
10.Hormone
11.Neurotransmitter
12.Cytokine
13.Bone Marrow
14.Decreases Red Blood Cell (RBC) production
15.Increased oxygen tension in the blood
16.Decreased oxygen tension in the blood
17.Osteoclasts (bone resorbing cells)
Explanation / Answer
Erythropoietin is a cytokine i.e. a protein signalling molecule.
Low oxygen levels act as stimulus for activating the feedback loop of erythropoietin.
Erythropoietin acts like an endocrine hormone on its target cells.
The target tissue upon which erythopoietin acts are the cells in the bone marrow.
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