histology-mid year (urinary system)

أطباء2020
Quiz by أطباء2020, updated more than 1 year ago
أطباء2020
Created by أطباء2020 about 6 years ago
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Description

Quiz on histology-mid year (urinary system), created by أطباء2020 on 20/01/2015.

Resource summary

Question 1

Question
Structures typically seen at the border between renal cortex and medulla are:
Answer
  • Vasa recta
  • Peritubular capillaries
  • Arcuate arteries and veins
  • Interlobular arteries & veins

Question 2

Question
Collections of cortical tissues between medullary pyramids are called:
Answer
  • Interlobular cortex
  • Renal columns of bertin
  • Medullary rays
  • None of above

Question 3

Question
DCT of kideny :
Answer
  • Has well developed brush border
  • Lacks a basment membrane
  • Is composed of simple cubical epithelium
  • Has numerous rER associated with basal membrane invagination.

Question 4

Question
All about DCT are true except:
Answer
  • About 14 mm
  • 30-40 um in diameter
  • Formed of straight, convoluted & macula densa portion
  • Rich in mitochondria oriented longitudinally

Question 5

Question
Facet cells:
Answer
  • Are superficial cells of transitional epithelium
  • Cuboidal cells may be binucleated
  • Act as osmotic barrier between urine & tissue fluid
  • All of above

Question 6

Question
All of the following makes the juxtaglomerular apparatus except:
Answer
  • Podocytes
  • Juxtaglomerular cells
  • Macula densa
  • Lacis cells

Question 7

Question
Projection of medulla in the renal cortex:
Answer
  • Medulla
  • Lobe
  • Renal columns
  • Medullary rays

Question 8

Question
Kidney secretes all except:
Answer
  • Renin
  • Medullipin
  • Erythropoietin
  • Rennin

Question 9

Question
Nephron consists of all except:
Answer
  • Malpighian corpuscle
  • Thick limb of loop of henle
  • Thin limb of loop of henle
  • Collecting tubules

Question 10

Question
The membranous urethra is lined with:
Answer
  • Striated squamous epithelium
  • Striated columnar epithelium
  • Transitional epithelium
  • Pseudo-striated columnar ciliated epithelium
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