Normal vascular Growth Quiz

What is the process called when vascularity increases in a tissue due to increased metabolism?

Angiogenesis

In which type of tissue does angiogenesis occur more slowly?

Old, well-established tissues

What is the time required for long-term regulation of angiogenesis?

Both options

What is the final degree of response to angiogenesis like in younger tissues compared to older tissues?

Better in younger tissues Signup and view all the answers

What is one example of increased vascularity in tissues due to low atmospheric oxygen?

Increased vascularity in animals at high altitudes Signup and view all the answers

What effect does excess oxygen have on vascular growth in premature babies?

Cessation of new vascular growth Signup and view all the answers

Which of the following factors is NOT involved in the formation of new blood vessels?

Angiogenin Signup and view all the answers

What is the condition called when retinal vessels grow out from the retina into the eye's vitreous humor, eventually causing blindness?

Retrolental fibroplasia Signup and view all the answers

What is the first step in angiogenesis?

Dissolution of the basement membrane of the endothelial cells Signup and view all the answers

What is the goal of tissue repair?

To restore normal function with native parenchymal and connective tissue Signup and view all the answers

Which cells contribute to the restoration of damaged tissues during tissue repair?

All of the above Signup and view all the answers

What is the process of new blood vessel development from existing vessels called?

Angiogenesis Signup and view all the answers

What is the final step in angiogenesis?

Recruitment of periendothelial cells Signup and view all the answers

Which of the following is a key factor in the process of angiogenesis?

Formation of the vascular lumen Signup and view all the answers

What role do fibroblast growth factors (FGFs) play in angiogenesis?

Stimulate the proliferation of endothelial cells Signup and view all the answers

What are angiopoietins 1 and 2 (Ang 1 and Ang 2) responsible for in angiogenesis?

Playing a role in angiogenesis and vascular maturation Signup and view all the answers

What is the role of vascular endothelial growth factors (VEGFs) in angiogenesis?

Stimulate migration and proliferation of endothelial cells Signup and view all the answers

What is the main reason why solid tumors need to induce angiogenesis?

To ensure the supply of oxygen and nutrients Signup and view all the answers

What are the sources of pro-angiogenic factors in angiogenesis?

All of the above Signup and view all the answers

What alters the production of pro-angiogenic factors in angiogenesis?

All of the above Signup and view all the answers

Which of the following is a characteristic of controlled neovascularization?

Formation of new blood vessels in wound healing Signup and view all the answers

What happens when oxygen levels are low in a cell?

HIF binds to EPO and other genes Signup and view all the answers

Which molecule is a potent inhibitor of endothelial cell proliferation and migration?

Endostatin Signup and view all the answers

Which disease is characterized by tumors in multiple organs, including the brain, spinal cord, eyes, and kidneys?

Von Hippel-Lindau disease Signup and view all the answers

What is the clinical significance of coronary collaterals in myocardial infarction?

They have no clinical relevance Signup and view all the answers

Do new blood vessels form in the heart after a myocardial infarction?

Yes, through granulation scar formation Signup and view all the answers

What is the role of capillary density in myocardial infarction?

It is not affected by myocardial infarction Signup and view all the answers

Which process is NOT associated with controlled neovascularization?

Retinopathy Signup and view all the answers

Normal vascular Growth Quiz

Questions and Answers

What is the process called when vascularity increases in a tissue due to increased metabolism?

In which type of tissue does angiogenesis occur more slowly?

What is the time required for long-term regulation of angiogenesis?

What is the final degree of response to angiogenesis like in younger tissues compared to older tissues?

What is one example of increased vascularity in tissues due to low atmospheric oxygen?

What effect does excess oxygen have on vascular growth in premature babies?

Which of the following factors is NOT involved in the formation of new blood vessels?

What is the condition called when retinal vessels grow out from the retina into the eye's vitreous humor, eventually causing blindness?

What is the first step in angiogenesis?

What is the goal of tissue repair?

Which cells contribute to the restoration of damaged tissues during tissue repair?

What is the process of new blood vessel development from existing vessels called?

What is the final step in angiogenesis?

Which of the following is a key factor in the process of angiogenesis?

What role do fibroblast growth factors (FGFs) play in angiogenesis?

What are angiopoietins 1 and 2 (Ang 1 and Ang 2) responsible for in angiogenesis?

What is the role of vascular endothelial growth factors (VEGFs) in angiogenesis?

What is the main reason why solid tumors need to induce angiogenesis?

What are the sources of pro-angiogenic factors in angiogenesis?

What alters the production of pro-angiogenic factors in angiogenesis?

Which of the following is a characteristic of controlled neovascularization?

What happens when oxygen levels are low in a cell?

Which molecule is a potent inhibitor of endothelial cell proliferation and migration?

Which disease is characterized by tumors in multiple organs, including the brain, spinal cord, eyes, and kidneys?

What is the clinical significance of coronary collaterals in myocardial infarction?

Do new blood vessels form in the heart after a myocardial infarction?

What is the role of capillary density in myocardial infarction?

Which process is NOT associated with controlled neovascularization?

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