11- Differentiation of megakaryocytes is stimulated by the hormone _____________

Question

11- Differentiation of megakaryocytes is stimulated by the hormone _______________

A- Erythropoietin

B- Colony-stimulating factor

C- Thrombopoietin

D- Interleukin

…………..

12- The majority of ATP is generated in the electron transport chain from which molecule?

A- FADH2

B- NADH

C- glycogen

D- glucose

…………

13- Neurons within the muscularis layer of the GI tract that are responsible for motility are called the

A- Myenteric plexus

B- Submucosal plexus

C- Longitudinal layer

D- Muscularis mucosae

………

14- Erythropoiesis is regulated by _____________

A- thrombopoietin

B- cytokines

C- interleukins

D- oxygen

Explanation / Answer

Q11 C Thrombopoitin

- for the platelets to form thrombopoitin fro. Liver act on bone marrow and increased proliferation of megakaryocytes to differentiate in to platelets.

Q12 B NADH IN electron transport chain fo-f1 particle present in inner membrane of mitochondria that move H+ ions across it so when NADH give its e to enzyme complex in ETC than H+ gradiant created and that produced maximum 3 Atp per NADH.

Q13 motility is provide by myenteric plexus also know as Auerbach plexus present in between inner circular and outer longitudinal muscle layer.

Submucosal plexus help in git secretion.

Q 14 erythropoisis regulated by OXYGEN si when hypoxia occur their is stimulation of Rbc synthesis by erythropoitin. So that more amount of O2 delivered to tissue .

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