©THEBRIGHT 2025 ALL RIGHTS RESERVED 11:11PM.
EXSS 276 FINAL Exam Questions And
Answers 2025 Update.
The movement of substances from the nephron tubule back into the bloodstream is referred to
as:
nephron replacement.
nephron recirculation.
tubular reabsorption.
tubular secretion. - Answer✔tubular reabsorption
The movement of substances from the bloodstream into the tubular nephron is referred to as:
tubular reabsorption.
tubular secretion.
nephron replacement.
nephron recirculation. - Answer✔tubular secretion
The process by which plasma minus protein passes from the glomerulus into the tubular
nephron is by:
diffusion.
osmsosis.
filtration.
endocytosis. - Answer✔filtration
Blood entering the kidney arrives at the glomeruli of each nephron through:
1
,©THEBRIGHT 2025 ALL RIGHTS RESERVED 11:11PM.
cortical veins
peritubular capillaries
afferent arterioles
vasa recta - Answer✔afferent arterioles
Arrange the following structures in the correct order:
1. Collecting duct
2. Loop of Henle
3. Distal convoluted tubule
4. Glomerulus
4, 2, 3, 1
4, 3, 1, 2
2, 3, 1, 4
1, 2, 4, 3 - Answer✔4, 2, 3, 1
Glomerulus -> Loop of Henle -> Distal Convoluted Tubule -> Collecting Duct
Water will move:
-In the direction of lower osmotic pressure
-In the direction of higher osmotic pressure
-In the direction of a fluid with the same osmotic pressure
-All of the answer choices are correct - Answer✔In the direction of higher osmotic pressure
ADH acts on the _____ to regulate facultative water reabsorption.
-proximal convoluted tubules
-descending portions of the nephron loop
-thick and thin segments of the ascending nephron loop
-early and late distal convoluted tubules
2
, ©THEBRIGHT 2025 ALL RIGHTS RESERVED 11:11PM.
-late distal convoluted tubules and collecting ducts - Answer✔late distal convoluted tubules and
collecting ducts
Which is the correct order of filtrate flow?
-glomerular capsule, proximal convoluted tubule (PCT), nephron loop, distal convoluted tubule
(DCT), collecting duct
-nephron loop, glomerular capsule, PCT, DCT, collecting duct
-ascending limb of loop, PCT, DCT, collecting duct
-collecting duct, DCT, PCT, collecting duct, glomerular capsule
-PCT, glomerular capsule, DCT, collecting duct, nephron loop - Answer✔glomerular capsule
proximal convoluted tubule (PCT)
nephron loop
distal convoluted tubule (DCT)
collecting duct
Which structure of the nephron reabsorbs the most substances?
glomerular capsule
nephron loop
ascending limb
collecting duct
proximal convoluted tubule - Answer✔proximal convoluted tubule (PCT)
Increased secretion of hydrogen ions would result in a(n) ______________ of blood
____________?
increase, pressure
decrease, volume
increase, sodium levels
decrease, pH
increase, urea - Answer✔decrease, pH
3
EXSS 276 FINAL Exam Questions And
Answers 2025 Update.
The movement of substances from the nephron tubule back into the bloodstream is referred to
as:
nephron replacement.
nephron recirculation.
tubular reabsorption.
tubular secretion. - Answer✔tubular reabsorption
The movement of substances from the bloodstream into the tubular nephron is referred to as:
tubular reabsorption.
tubular secretion.
nephron replacement.
nephron recirculation. - Answer✔tubular secretion
The process by which plasma minus protein passes from the glomerulus into the tubular
nephron is by:
diffusion.
osmsosis.
filtration.
endocytosis. - Answer✔filtration
Blood entering the kidney arrives at the glomeruli of each nephron through:
1
,©THEBRIGHT 2025 ALL RIGHTS RESERVED 11:11PM.
cortical veins
peritubular capillaries
afferent arterioles
vasa recta - Answer✔afferent arterioles
Arrange the following structures in the correct order:
1. Collecting duct
2. Loop of Henle
3. Distal convoluted tubule
4. Glomerulus
4, 2, 3, 1
4, 3, 1, 2
2, 3, 1, 4
1, 2, 4, 3 - Answer✔4, 2, 3, 1
Glomerulus -> Loop of Henle -> Distal Convoluted Tubule -> Collecting Duct
Water will move:
-In the direction of lower osmotic pressure
-In the direction of higher osmotic pressure
-In the direction of a fluid with the same osmotic pressure
-All of the answer choices are correct - Answer✔In the direction of higher osmotic pressure
ADH acts on the _____ to regulate facultative water reabsorption.
-proximal convoluted tubules
-descending portions of the nephron loop
-thick and thin segments of the ascending nephron loop
-early and late distal convoluted tubules
2
, ©THEBRIGHT 2025 ALL RIGHTS RESERVED 11:11PM.
-late distal convoluted tubules and collecting ducts - Answer✔late distal convoluted tubules and
collecting ducts
Which is the correct order of filtrate flow?
-glomerular capsule, proximal convoluted tubule (PCT), nephron loop, distal convoluted tubule
(DCT), collecting duct
-nephron loop, glomerular capsule, PCT, DCT, collecting duct
-ascending limb of loop, PCT, DCT, collecting duct
-collecting duct, DCT, PCT, collecting duct, glomerular capsule
-PCT, glomerular capsule, DCT, collecting duct, nephron loop - Answer✔glomerular capsule
proximal convoluted tubule (PCT)
nephron loop
distal convoluted tubule (DCT)
collecting duct
Which structure of the nephron reabsorbs the most substances?
glomerular capsule
nephron loop
ascending limb
collecting duct
proximal convoluted tubule - Answer✔proximal convoluted tubule (PCT)
Increased secretion of hydrogen ions would result in a(n) ______________ of blood
____________?
increase, pressure
decrease, volume
increase, sodium levels
decrease, pH
increase, urea - Answer✔decrease, pH
3
