Questão 1
Questão
What is normal GFR in adult humans?
Responda
-
100-125 ml/min
-
4500-6000 ml/min
-
1 - 2 ml/min
-
540 - 900 ml / min
Questão 2
Questão
What does glomerular ultra-filtrate consist of?
Responda
-
water
-
small solutes
-
large solutes
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plasma
-
urine
Questão 3
Questão
Glomerular Ultrafiltrate is normally ...
Responda
-
containing proteins
-
protein free
Questão 4
Questão
What does Regulated reabsorption of water and solutes allow for?
Responda
-
regulation of extracellular fluid volume
-
regulation of osmolality
-
regulation of acid base balance
-
homeostasis of whole body phosphate concentrations
-
homeostasis of whole body calcium concentrations
-
homeostasis of whole body potassium concentrations
Questão 5
Questão
Which of these are freely filtered but not reabsorbed?
Responda
-
urea
-
creatinine
-
water
-
salt
-
proteins
Questão 6
Questão
Permselectivity = the restriction of the [blank_start]permeation[blank_end] of [blank_start]macromolecules[blank_end] across [blank_start]the glomerular barrier[blank_end] on the basis of [blank_start]molecular[blank_end] size, charge, and physical [blank_start]configuration.[blank_end]
Responda
-
permeation
-
permeability
-
macromolecules
-
micromolecules
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the glomerular barrier
-
bowmans space
-
molecular
-
atomic
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configuration.
-
conglobulation.
Questão 7
Questão
Podocytes = [blank_start]specialized[blank_end], highly [blank_start]differentiated[blank_end] cells which line the [blank_start]outside[blank_end] of glomerular [blank_start]capillaries[blank_end] and thus face the [blank_start]Bowman's space[blank_end] and the primary [blank_start]urine[blank_end]
Responda
-
specialized
-
common
-
differentiated
-
similar
-
outside
-
inside
-
capillaries
-
vessels
-
Bowman's space
-
glomerulus
-
urine
-
urea
Questão 8
Questão
Podocytes have a ____ cell body
Responda
-
large
-
small
-
average sized
Questão 9
Questão
The diaphragm in the podocyte covers the...
Responda
-
filtration slit
-
fenestration
-
foot process
-
whole cell body
Questão 10
Questão
What type of collagen composes the backbone of the fibrous network in the glomerular basement membrane?
Responda
-
type 1 collagen
-
type 2 collagen
-
type 3 collagen
-
type 4 collagen
Questão 11
Questão
What is the normal urine flow rate in adult humans?
Responda
-
1 - 2 ml/min
-
100-125ml/min
-
540-900 ml/min
-
900-1500ml/min
Questão 12
Questão
What is the normal renal blood flow rate in adult humans?
Responda
-
900-1500 ml/min
-
4500 - 6000 ml/min
-
540-900 ml/min
-
1-2 ml/min
Questão 13
Questão
What is the normal renal plasma flow rate in adult humans?
Responda
-
540-900 ml/min
-
4500-6000 ml/min
-
900 - 1500 ml/min
-
1-2ml/min
Questão 14
Questão
what does the filtration fraction generally measure?
Responda
-
20-25%
-
40-45%
-
50-60%
-
80-85%
Questão 15
Questão
Roughly how much primary urine is produced per day?
Questão 16
Questão
Roughly how much filtered fluid is reabsorbed?
Questão 17
Questão
Drag and drop the right answer. all answers match up with a space, there are none spare.
For the 0 options, the 00 is in the % column and the normal 0 is in the urine column)
Responda
-
17
-
0.63
-
0.5
-
12.9
-
125
-
33
-
1.4
-
0.128
-
0.06
-
0.0048
-
0.134
-
0
-
18
-
1.8
-
0.72
-
9.5
-
0.96
-
1
-
00
-
55
-
130
Questão 18
Questão 19
Questão
Glomerular capillaries are __________
Questão 20
Questão
Endothelial cells _______ determine the permselectivity of the glomerular barrier.
Questão 21
Questão
The endothelial cell coat has _________
Responda
-
charge-selective properties
-
no charge-selective properties.
-
size selective properties
-
molecular weight selective properties
Questão 22
Questão
___________ density of fenestrae facilitates ___________ permeability
Responda
-
high, high
-
low, low
-
high, low
-
low, high
Questão 23
Questão
Which of these are important components that contribute to the selective properties of the glomerular basement membrane barrier?
Questão 24
Questão
Where is the endothelial cell surface layer?
Responda
-
on the luminal side of the blood vessels
-
on the fenestrated side of the blood vessels
-
on the outside of the blood vessels
-
within the glomerulus
Questão 25
Questão
What are the 2 components of the endothelial cell surface layer?
Questão 26
Questão
Thye glycocalyx is the...
Questão 27
Questão
Thye endothelial cell coat is the...
Questão 28
Questão
*** The endothelial cell surface layer is composed of....
Questão 29
Questão
drag and drop the substances along the graph in relation to where there relative permeability lies
Responda
-
H2O
-
NaCl
-
Glucose
-
Inulin
-
Myoglobin
-
Hemoglobin
-
Albumin
Questão 30
Questão
Filtration of solutes that are not reabsorbed serves as an ineffective mechanism for their excretion
Questão 31
Questão
Which of these about polo trees are true?
Responda
-
Have long extending cytoplasmic foot processes
-
Foot processes are separated by a filtration slit
-
The filtration slit is 25-60nm wide
-
The filtration slit is covered by a diaphragm
-
One of the proteins that make up the diaphragm is nephrin
-
Nephrin is very safe
Questão 32
Questão
When mutated, nephrin...
Responda
-
Causes massive leakage of protein
-
Causes severe consequences for patients with congenital nephrotic syndrome.
-
Causes the diaphragm in the kidney to close
-
Causes excess water to be absorbed
-
Causes alcoholism
Questão 33
Questão
The basement membrane allows free passage of neutral molecules up to...
Responda
-
6Kd MW (18A radius)
-
16Kd MW (8A radius)
-
12Kd MW (24A radius)
-
2A MW (7Kd radius)
Questão 34
Questão
Negatively charged pores restrict passage of .... molecules
Responda
-
Large
-
Small
-
Medium
-
Long
-
Short
Questão 35
Questão
In disease states, protein Irial may be due to loss of negatively charge selectivity or to increasing numbers of large size pores