Kopieren und bearbeiten

Lecture 2 - updated - glomerular filtration

Beschreibung

- Renal physiology Quiz am Lecture 2 - updated - glomerular filtration, erstellt von Alannah McDonnell am 05/04/2018.
Alannah McDonnell
Quiz von Alannah McDonnell, aktualisiert more than 1 year ago
Alannah McDonnell
Erstellt von Alannah McDonnell vor etwa 7 Jahre
9
1
0
1 2 3 4 5 (0)

Zusammenfassung der Ressource

Frage 1

Frage
What is the filtration barrier formed by?
Antworten
  • fenestrated vascular endothelium
  • basement membrane
  • podocytes separated by slits
  • organocytes
  • endometrium

Frage 2

Frage
What is the basement membrane of the filtration barrier formed by?
Antworten
  • proteins such as collagen
  • proteins such as laminin
  • extracellular matrix proteins such as negatively charged heparan sulfate proteoglycans
  • starchy carbohydrates
  • endometrium

Frage 3

Frage
What does the basement membrane of the filtration barrier provide?
Antworten
  • a charge barrier
  • a source of energy
  • a microphalange
  • urine

Frage 4

Frage
What type of function does the basement membrane of the filtration barrier have?
Antworten
  • a sieving function
  • a saving function
  • a blocking function
  • a stimulating function
  • a reduction function

Frage 5

Frage
Determinants of glomerular filtration. [blank_start]Jv[blank_end] = [blank_start]k[blank_end] x [blank_start]S[blank_end]( Δ [blank_start]P[blank_end] - Δ [blank_start]Π[blank_end] )
Antworten
  • Jv
  • k
  • S
  • P
  • Π

Frage 6

Frage
In the determinants of glomerular filtration formula, Jv =
Antworten
  • flux
  • hydraulic conductivity
  • hydraulic pressure
  • surface area

Frage 7

Frage
In the determinants of glomerular filtration formula, k =
Antworten
  • flux
  • hydraulic conductivity
  • hydraulic pressure
  • surface area
  • gradient

Frage 8

Frage
In the determinants of glomerular filtration formula, S =
Antworten
  • surface area
  • flux
  • oncotic pressure
  • gradient
  • hydraulic pressure

Frage 9

Frage
In the determinants of glomerular filtration formula, P =
Antworten
  • hydraulic pressure
  • oncotic pressure
  • hydraulic conductivity
  • flux

Frage 10

Frage
In the determinants of glomerular filtration formula, Π =
Antworten
  • oncotic pressure
  • flux
  • hydraulic pressure
  • surface area
  • hydraulic conductivity

Frage 11

Frage
Hydraulic conductivity is defined as the [blank_start]flux[blank_end] of [blank_start]water[blank_end] ([blank_start]and small solutes[blank_end]) per unit [blank_start]time[blank_end] for a defined [blank_start]pressure[blank_end] gradient and [blank_start]surface[blank_end] area.
Antworten
  • flux
  • water
  • and small solutes
  • time
  • pressure
  • surface

Frage 12

Frage
The hydraulic conductivity of the glomerular capillary wall is _________ fold higher than other capillaries.
Antworten
  • 40 - 50
  • 90-100
  • 10-20
  • 5-6
  • 20-25

Frage 13

Frage
Glomerular capillaries work at _____ pressures than other capillaries
Antworten
  • higher
  • lower
  • the same

Frage 14

Frage
Hydrostatic pressure in glomerular capillaries is relatively _________
Antworten
  • constant
  • variable

Frage 15

Frage
Colloid oncotic pressure ________ in the glomerular capillaries
Antworten
  • increases
  • decreases
  • stays constant

Frage 16

Frage
label the pressures
Image:
Untitled (binary/octet-stream)
Antworten
  • Glomerular capillary pressure
  • colloid oncotic pressure
  • bowman's space pressure
  • net filtration pressure

Frage 17

Frage
What controls Glomerular Capillary Pressure?
Antworten
  • relative resistances of Afferent Arteriole and Efferent Arteriole
  • relative blood flow of Afferent Arteriole and Efferent Arteriole
  • space in the glomerulus
  • amount of urine produced

Frage 18

Frage
What controls resistances of afferent arteriole and efferent arteriole?
Antworten
  • neural and hormonal inputs
  • glomerular capillary pressure
  • blood flow
  • vaso constriction and dilation

Frage 19

Frage
What affect does changes in resistance of the afferent arteriole and efferent arteriole have?
Image:
Untitled (binary/octet-stream)
Antworten
  • lower than if equal resistances
  • higher than if equal resistances
  • equal to if equal resistances

Frage 20

Frage
Why is it so important to control and maintain the Glomerular Capillary Pressure constant?
Antworten
  • to ensure GFR is constant
  • to avoid excess unnecessary urine being made
  • to avoid pain
  • to maintain an equal level of hormones

Frage 21

Frage
Which graph relates to afferent arteriole constriction and which relates to efferent arteriole constriction?
Image:
Untitled (binary/octet-stream)
Antworten
  • afferent arteriole constriction
  • efferent arteriole constriction

Frage 22

Frage
A 25% increase in mean arterial blood pressure will cause a ____% increase in GFR and a loss of __L per day.
Antworten
  • 25%, 40L
  • 50%, 80L
  • 75%, 100L
  • 2.5%, 4L

Frage 23

Frage
What are the 3 important mechanisms in regulating GFR?
Antworten
  • renin-angiotensin system
  • autoregulation
  • sympathetic nerves
  • sodium-water system
  • reduction of blood volume by osmosis

Frage 24

Frage
The movement of any molecule across the filtration membrane is measured by its [blank_start]flux[blank_end]
Antworten
  • flux
  • hydraulic conductivity
  • speed
  • molecular weight
  • oncotic pressure

Frage 25

Frage
Hydraulic conductivity is very _____ in glomerular capillaries
Antworten
  • high
  • low
  • changeable
  • constant
  • annoying

Frage 26

Frage
Hydrostatic pressure gradient is the gradient acting ....
Antworten
  • between the inside and outside of the capillary and bowmans space.
  • between the glomerulus and afferent arteriole
  • between the efferent and afferent arteriole
  • between the inside and outside of the capillary
  • between the inside and outside of bowmans space.

Frage 27

Frage
Kf in relation to GFR is...
Antworten
  • ultrafiltration coefficient
  • net ultrafiltration pressure
  • net friction along capillary walls
  • hydrostatic pressure.

Frage 28

Frage
Label
Image:
Mobile upload (image/jpeg)
Antworten
  • other
  • glomerular
  • capillary hydrostatic pressure
  • filtration pressure equilibrium
  • capillary colloid osmotic pressure
  • glomerular capillaries

Frage 29

Frage
Label
Image:
Mobile upload (image/jpeg)
Antworten
  • glomerular capillary hydrostatic pressure
  • Bowman’s space oncotic pressure
  • Bowman’s space hydrostatic pressure
  • glomerular capillary oncotic pressure
  • efferent arteriole
  • afferent arteriole

Frage 30

Frage
There is net filtration along the entire length of the glomerular capillaries
Antworten
  • True
  • False

Frage 31

Frage
Net filtration pressure = [blank_start]glomerular capillary pressure[blank_end] - ( [blank_start]colloid oncotic pressure[blank_end] + [blank_start]Bowman’s space pressure[blank_end] )
Antworten
  • glomerular capillary pressure
  • colloid oncotic pressure
  • Bowman’s space pressure

Frage 32

Frage
Label grr regulation graph
Image:
Mobile upload (image/jpeg)
Antworten
  • autoregulation range
  • relative vascular resistance
  • GFR
  • RPF

Frage 33

Frage
Label
Image:
Mobile upload (image/jpeg)
Antworten
  • renal corpuscle
  • renal sympathetic nerve
  • afferent arteriole
  • juxtaglomerular cells
  • macula densa
  • efferent arteriole

Frage 34

Frage
Granular juxtamedullary cells are...
Antworten
  • Located in afferent arteriole
  • Store and secrete renin
  • Their effects result in angiotensin 2 formation
  • Decrease sodium absorption

Frage 35

Frage
The granular juxtamedullary cells ...
Antworten
  • Directly increase total PR
  • Directly increase systemic blood pressure
  • Indirectly increase sodium reabsorption
  • Indirectly increase potassium secretion
  • Indirectly increase ECF volume
  • Secrete ADH

Frage 36

Frage
Auto-regulation of GFR ... [blank_start]increased stretch in afferent[blank_end] —-> [blank_start]afferent contraction[blank_end] —> [blank_start]decreased pressure [blank_end]—> [blank_start]no change in GFR[blank_end]
Antworten
  • increased stretch in afferent
  • afferent contraction
  • decreased pressure
  • no change in GFR

Frage 37

Frage
Fill in flow chart...
Image:
Mobile upload (image/jpeg)
Antworten
  • up fluid delivery sensed by macula densa
  • ATP
  • afferent contraction
  • decreased pressure
  • decreased GFR
  • decreased fluid flow
  • GFR Returns to normal

Frage 38

Frage
The macula densa senses fluid flow in the tubule
Antworten
  • True
  • False

Frage 39

Frage
Label
Image:
Mobile upload (image/jpeg)
Antworten
  • fight or flight reaction
  • cardiovascular shock
  • increased sympathetic activity
  • vasoconstriction
  • AA and EA constricts
  • decreased RPF
  • decreased GFR

Frage 40

Frage
Alport's syndrome is ...
Antworten
  • hereditary glomerulonephritis
  • due to mutations in the collagen chains of the glomerular basement membrane
  • a pathological condition
  • an inability to process proteins

Frage 41

Frage
Which of these are protein elements that can be found in the glomerular basement membrane?
Antworten
  • laminin
  • nidogen
  • entactin

Frage 42

Frage
Which of these are true about the endothelial cell surface layer?
Antworten
  • aka ESL
  • seems to be a rather thick negatively charged structure
  • most likely contributes to the high permselectivity of the glomerular wall
  • is found on the luminal side of blood vessel walls
  • it is never found in venules

Frage 43

Frage
Small molecular weight neutral solutes have concentrations in the filtrate equal to those in plasma, this means they are freely filtered.
Antworten
  • True
  • False
Zusammenfassung anzeigen Zusammenfassung ausblenden

0 Kommentare

There are no comments, be the first and leave one below:

Möchten Sie mit GoConqr kostenlos Ihre eigenen Quiz erstellen? eigenen Mehr erfahren.

ähnlicher Inhalt

Renal Physiology- Physiology PMU- 2nd Year, 2nd Semester
Hussain Basheer
Stochastik Grundbegriffe
steffen_1411
FOST 3 - Inferenzstatistik
Kathy H
Vetie - Histo & Embryo P 2014
Fioras Hu
Vetie - Tierzucht & Genetik - S VI
Fioras Hu
Gesko A: Theorien und Praxis des Journalismus
Johanna Wojcik
Meth: QUANTI
max knoll
Vetie Viro 2014
Annika G
Vetie Para Morphologie Entomologie
Kristin E
Vetie - Milchkunde 2016
Birte Schulz
Bibliothek durchsuchen