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Renin-Angiotensin Mechanism and Heart Function Quiz

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Renin-Angiotensin Mechanism and Heart Function Quiz

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Questions and Answers

What is the main function of the juxta glomerular apparatus (JGA) when there is a fall in Glomerular Filtration Rate (GFR)?

Release renin to stimulate glomerular blood flow (correct)

Directly increase GFR without any mediator

Release aldosterone to increase sodium reabsorption

Inhibit the filtration through the glomeruli

Which substances are actively reabsorbed back into the blood from the tubules in the kidneys?

Uric acid, creatinine, certain drugs

Glucose, amino acids, fatty acids (correct)

Water, chloride ions, bicarbonate ions

Blood cells and large proteins

What is the filtration slits/slit pores formed by in the kidneys?

Endothelial cells of the glomerular vessels

Basement membrane between layers

Epithelial cells called podocytes (correct)

Epithelium of Bowman's capsule

In which location do juxta glomerular apparatus (JGA) cells release renin?

Location of contact between DCT and afferent arteriole Signup and view all the answers

What is the term used to describe the filtrate formed by the kidneys per minute?

Glomerular Filtration Rate (GFR) Signup and view all the answers

Which region in the kidneys is activated when there is a fall in GFR?

Juxta glomerular apparatus (JGA) Signup and view all the answers

What happens when there is a fall in GFR and the Juxta Glomerular Apparatus (JGA) is activated?

JG cells release renin to stimulate glomerular blood flow Signup and view all the answers

What is selectively reabsorbed during tubular reabsorption in the kidneys?

(Essential substances depending on body need) Signup and view all the answers

What substances are actively secreted from the blood into the distal convoluted tubule?

Uric acid, creatinine, certain drugs Signup and view all the answers

Which mechanism is activated by the Juxta Glomerular Apparatus (JGA) to regulate Glomerular Filtration Rate (GFR)?

Renin-Angiotensin Mechanism Signup and view all the answers