HMB Peer Teaching - Tubular reabsorption and secretion

Description

A quiz with feedback to facilitate interactive learning and study for students of UNSW Medicine's HMB course. The lecture covered is 'Tubular reabsorption and secretion'.
Jack Cönnolly
Quiz by Jack Cönnolly, updated more than 1 year ago
Jack Cönnolly
Created by Jack Cönnolly over 9 years ago
419
1

Resource summary

Question 1

Question
In the normal body, how much glucose is passed in the urine per day (i.e. not reabsorbed into the bloodstream)?
Answer
  • 0 mmol/day
  • 10-20 mmol/day
  • ~720 mmol/day
  • 100-200 mmol/day

Question 2

Question
The majority of tubular reabsorption occurs in what part of the nephron?
Answer
  • Proximal Convoluted Tubule
  • Bowman's Capsule
  • Loop of Henle
  • Distal Convoluted Tubule

Question 3

Question
In the event of elevated glomerular filtration rate (GFR), the proportion of sodium reabsorbed in the proximal tubule:
Answer
  • Increases
  • Decreases
  • Remains constant
  • Sodium is not reabsorbed in the proximal tubule

Question 4

Question
In the presence of antidiuretic hormone (ADH), the collecting tubule is water impermeable.
Answer
  • True
  • False

Question 5

Question
Compared to later segments, earlier segments of the proximal convoluted tubule have:
Answer
  • More rapid transcellular transport and leakier paracellular pathways.
  • Less rapid transcellular transport and leakier paracellular pathways.
  • More rapid transcellular transport and tighter paracellular pathways.
  • Less rapid transcellular transport and tighter paracellular pathways.

Question 6

Question
How many types of cells comprise the collecting duct?
Answer
  • 1
  • 2
  • 3
  • 4

Question 7

Question
A urinary osmolality of 60-70mosm/kg, with a 15mL/min rate of flow would indicate a lack of anti-diuretic hormone (ADH).
Answer
  • True
  • False

Question 8

Question
With respect to transcellular reabsorption of glucose, which option correctly matches transporter proteins to their position in the given picture?
Answer
  • 1. GLUT 2 2. SGLT 2 3. GLUT 1 4. SGLT 1
  • 1. GLUT 1 2. SGLT 1 3. GLUT 2 4. SGLT 2
  • 1. GLUT 2 2. SGLT 1 3. GLUT 2 4. SGLT 1
  • 1. GLUT 1 2. SGLT 2 3. GLUT 1 4. SGLT 2

Question 9

Question
Superficial cortical nephrons contain a thin ascending limb of the loop of Henle.
Answer
  • True
  • False

Question 10

Question
Which part of the nephron is very permeable to water but is almost completely impermeable to Na+, Cl- and urea; this section also has no active transport.
Answer
  • Proximal Convoluted Tubule
  • Thin Descending Limb of Loop of Henle
  • Thin Ascending Limb of Loop of Henle
  • Thick Ascending Limb of Loop of Henle
  • Distal Convoluted Tubule
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