Urinary System Overview

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Which part of the kidney nephron is responsible for the filtration of the blood?

Glomerulus (correct)

Sphincters

Renal artery

Renal vein

What is the main function of the internal urethral sphincter in the male urinary system?

To release excess materials

To control the release of urine (correct)

To stimulate new RBC production

To increase calcium absorption

Which hormone is released by the kidney to stimulate new red blood cell (RBC) production?

Insulin

Cortisol

Erythropoietin (correct)

Vitamin D

What is the role of the urinary system in preventing a build-up of certain materials in the body?

Secretion of excess materials (B) Signup and view all the answers

In which part of the urinary system does reabsorption of vital nutrients, ions, and water primarily occur?

Kidney nephron (C) Signup and view all the answers

What is the main function of Vitamin D3 in assisting homeostasis?

Increasing calcium absorption from the digestive tract (B) Signup and view all the answers

Which substance stimulates the formation of Angiotensin II to assist homeostasis?

Renin (A) Signup and view all the answers

What is the main function of Angiotensin II in the context of the urinary system?

Causing vasoconstriction to increase blood pressure (C) Signup and view all the answers

Which part of the kidney is primarily responsible for the secretion of H (+1) and reabsorption of HCO3 (-1) to control acid/base conditions?

Cortex (D) Signup and view all the answers

Where does the process of reabsorption occur in the kidney?

Proximal Convoluted Tubule (PCT) (C) Signup and view all the answers

What is the function of the Afferent Arteriole in the nephron?

Transports arterial blood to the glomerulus for filtration (D) Signup and view all the answers

What is the main function of the Efferent Arteriole in the nephron?

Transports filtered blood to the kidney venous system (D) Signup and view all the answers

What is the primary function of Bowman’s Capsule in the nephron?

Encloses the glomerulus and transfers filtrate toward PCT (A) Signup and view all the answers

What are the main functions of the urinary system?

Filtration of the blood, reabsorption of vital nutrients/ions/water, secretion of excess materials, and hormonal functions (activation of Vitamin D and release of Erythropoietin) Signup and view all the answers

How does Vitamin D3 assist homeostasis in the context of the urinary system?

By increasing calcium absorption from the digestive tract. Signup and view all the answers

What is the role of Erythropoietin released by the kidney?

To stimulate new red blood cell (RBC) production. Signup and view all the answers

Where does the activation of Vitamin D primarily occur in the urinary system?

In the kidney, through alpha 1 hydroxylase activity. Signup and view all the answers

What are the functions of the internal urethral sphincter in the male urinary system?

To control the release of urine from the bladder. Signup and view all the answers

In which part of the kidney nephron does the reabsorption of vital nutrients, ions, and water primarily occur?

In most parts of the kidney nephron. Signup and view all the answers

What is the role of Renin in the urinary system?

Stimulate the formation of Angiotensin II to cause vasoconstriction and increase blood pressure Signup and view all the answers

How do Prostaglandins contribute to homeostasis in the urinary system?

By dilating renal cortical blood vessels and constricting blood vessels in the renal medulla Signup and view all the answers

What is the function of the juxtamedullary nephrons in the urinary system?

To help regulate water balance and the concentration of urine Signup and view all the answers

What is the primary role of the secretion of H (+1) and reabsorption of HCO3 (-1) in the urinary system?

To control acid/base conditions in body fluids Signup and view all the answers

What is the function of the Afferent Arteriole in the nephron?

Transport arterial blood to the glomerulus for filtration Signup and view all the answers

What is the primary function of the Glomerulus in the urinary system?

To serve as the site for blood filtration Signup and view all the answers

What is the function of the Proximal Convoluted Tubule (PCT) in the nephron?

Actively reabsorb useful materials and operate as a nonspecific filter Signup and view all the answers

What is the function of the Efferent Arteriole in the nephron?

Transport filtered blood from the glomerulus and to the kidney venous system Signup and view all the answers

What is the role of Vasa Recta in the urinary system?

Transport blood from the glomerulus to the kidney venous system Signup and view all the answers

What is the function of the Bowman’s Capsule in the nephron?

To enclose the glomerulus and transfer filtrate toward the Proximal Convoluted Tubule (PCT) Signup and view all the answers

Urinary System Overview

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Questions and Answers

Which part of the kidney nephron is responsible for the filtration of the blood?

What is the main function of the internal urethral sphincter in the male urinary system?

Which hormone is released by the kidney to stimulate new red blood cell (RBC) production?

What is the role of the urinary system in preventing a build-up of certain materials in the body?

In which part of the urinary system does reabsorption of vital nutrients, ions, and water primarily occur?

What is the main function of Vitamin D3 in assisting homeostasis?

Which substance stimulates the formation of Angiotensin II to assist homeostasis?

What is the main function of Angiotensin II in the context of the urinary system?

Which part of the kidney is primarily responsible for the secretion of H (+1) and reabsorption of HCO3 (-1) to control acid/base conditions?

Where does the process of reabsorption occur in the kidney?

What is the function of the Afferent Arteriole in the nephron?

What is the main function of the Efferent Arteriole in the nephron?

What is the primary function of Bowman’s Capsule in the nephron?

What are the main functions of the urinary system?

How does Vitamin D3 assist homeostasis in the context of the urinary system?

What is the role of Erythropoietin released by the kidney?

Where does the activation of Vitamin D primarily occur in the urinary system?

What are the functions of the internal urethral sphincter in the male urinary system?

In which part of the kidney nephron does the reabsorption of vital nutrients, ions, and water primarily occur?

What is the role of Renin in the urinary system?

How do Prostaglandins contribute to homeostasis in the urinary system?

What is the function of the juxtamedullary nephrons in the urinary system?

What is the primary role of the secretion of H (+1) and reabsorption of HCO3 (-1) in the urinary system?

What is the function of the Afferent Arteriole in the nephron?

What is the primary function of the Glomerulus in the urinary system?

What is the function of the Proximal Convoluted Tubule (PCT) in the nephron?

What is the function of the Efferent Arteriole in the nephron?

What is the role of Vasa Recta in the urinary system?

What is the function of the Bowman’s Capsule in the nephron?

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