Podcast
Questions and Answers
Where does the reabsorption process start in the nephron?
Where does the reabsorption process start in the nephron?
- Proximal Convoluted Tubule (PCT) (correct)
- Descending Limb
- Distal Collecting Tubule (DCT)
- Loop of Henle
What percentage of water and Na+ ions are reabsorbed in the Proximal Convoluted Tubule (PCT)?
What percentage of water and Na+ ions are reabsorbed in the Proximal Convoluted Tubule (PCT)?
- 80%
- 10%
- 35%
- 65% (correct)
Where does around 25% of the total water and Na+ get reabsorbed in the nephron?
Where does around 25% of the total water and Na+ get reabsorbed in the nephron?
- Loop of Henle (correct)
- Afferent arteriole
- Glomerulus
- Efferent arteriole
Which structure in the nephron is responsible for the remaining absorption of water and salt (Na+)?
Which structure in the nephron is responsible for the remaining absorption of water and salt (Na+)?
What is the main functional unit of the kidney that produces urine?
What is the main functional unit of the kidney that produces urine?
How much fluid is filtrated throughout the day in the nephron?
How much fluid is filtrated throughout the day in the nephron?
What is the first step in the absorption process of glucose molecules into the epithelial cell?
What is the first step in the absorption process of glucose molecules into the epithelial cell?
What mechanism creates an osmotic gradient to facilitate the reabsorption of water in the loop of Henle?
What mechanism creates an osmotic gradient to facilitate the reabsorption of water in the loop of Henle?
Which part of the loop of Henle is responsible for the reabsorption of water?
Which part of the loop of Henle is responsible for the reabsorption of water?
What regulates the reabsorption of water and Na+ in the distal convoluted tubule and collecting duct?
What regulates the reabsorption of water and Na+ in the distal convoluted tubule and collecting duct?
What defines the reabsorption rate for a specific substance during the transportation of molecules across tubular epithelial cells?
What defines the reabsorption rate for a specific substance during the transportation of molecules across tubular epithelial cells?
Which system creates and maintains the osmotic gradient in the loop of Henle?
Which system creates and maintains the osmotic gradient in the loop of Henle?
What is the main mechanism for controlling Na+ reabsorption in the distal convoluted tubule and collecting duct?
What is the main mechanism for controlling Na+ reabsorption in the distal convoluted tubule and collecting duct?
What is the primary function of the kidneys within the urinary system?
What is the primary function of the kidneys within the urinary system?
Where does the majority of urine production take place within the kidney?
Where does the majority of urine production take place within the kidney?
What is the main functional unit of the kidneys involved in urine production?
What is the main functional unit of the kidneys involved in urine production?
Which part of the urinary system receives urine from the kidneys for storage?
Which part of the urinary system receives urine from the kidneys for storage?
What is the approximate percentage of cardiac output received by the kidneys?
What is the approximate percentage of cardiac output received by the kidneys?
Which organ in the urinary system plays a significant role in the activation of Vitamin D?
Which organ in the urinary system plays a significant role in the activation of Vitamin D?
What is the main driving force behind glomerular filtration?
What is the main driving force behind glomerular filtration?
Which of the following is NOT a component of the filtration barrier in the glomerulus?
Which of the following is NOT a component of the filtration barrier in the glomerulus?
What regulates the glomerular filtration rate (GFR) apart from the pressures at the glomerular membrane?
What regulates the glomerular filtration rate (GFR) apart from the pressures at the glomerular membrane?
What is the function of the juxtaglomerular apparatus in the nephron?
What is the function of the juxtaglomerular apparatus in the nephron?
Which structure comes into contact with the afferent arteriole in the juxtaglomerular apparatus?
Which structure comes into contact with the afferent arteriole in the juxtaglomerular apparatus?
What term is used to describe the volume of fluid filtered from the glomeruli into Bowman’s space per unit time?
What term is used to describe the volume of fluid filtered from the glomeruli into Bowman’s space per unit time?
Which pressure is responsible for moving fluid into Bowman’s capsule during glomerular filtration?
Which pressure is responsible for moving fluid into Bowman’s capsule during glomerular filtration?
'Valuable substances selectively returned to the blood from the nephron' refers to which process?
'Valuable substances selectively returned to the blood from the nephron' refers to which process?
'Unneeded substances selectively removed from the blood and added to the nephron' describes which process?
'Unneeded substances selectively removed from the blood and added to the nephron' describes which process?
What is filtrated into Bowman’s capsule during glomerular filtration?
What is filtrated into Bowman’s capsule during glomerular filtration?
