Lecture 6

Question 1

Kidneys are derived from:

Answer 1

Intermediate mesoderm

Question 2

Kidney starts out as:

Answer 2

Segmental structure

Question 3

Bladder, as part of embryonic gut tube, lining derived from:

Answer 3

Endoderm

Question 4

Earliest kidney appears in:

Answer 4

The pronephros

Question 5

Grows between the more dorsal part of the gut tube and more ventral part that becomes bladder:

Answer 5

Urorectal septum

Question 6

Kidneys are:

Answer 6

Retroperitoneal

Question 7

Sympathetic innervation of kidneys:

Answer 7

T10-L1

Question 8

Parasympathetic innervation of kidneys:

Answer 8

Vagus nerve

Question 9

The bladder is lined by special type of epithelium called:

Answer 9

Transitional epithelium

Question 10

About 75% of sodium removed by active transport here:

Answer 10

Proximal convoluted tubule

Question 11

No active transport of salt out of the _______ loop of henle

Answer 11

Descending

Question 12

Highest concentration near curve of henle:

Answer 12

Interstitial space

Question 13

In a countercurrent system, what kind of gradient is set up in the interstitial space?

Answer 13

Salt concentration gradient

Question 14

What is being actively transported out of the loop into the interstitial space?

Answer 14

Chlorine ions and oppositely charged sodium ions

Question 15

Makes the collection duct more permeable to water:

Answer 15

ADH