WorksheetsUrinary Week 3: Filtration
Total questions: 8
Worksheet time: 4mins
Single best answer:
What makes up the glomerular filtration unit?
Endothelium, Podocytes, Nephrin
Endothelium, Basement Membrane, Filtration Diaphragm
Endothelium, Basement Membrane, Podocytes
Endothelium, Baseline Membrane, Pedicels
Which of the following will occur in response to low arterial blood pressure to maintain renal blood flow?
constriction of afferent arteriole and constriction of efferent arteriole
dilation of afferent arteriole and constriction of efferent arteriole
constriction of afferent arteriole and dilation of efferent arteriole
dilation of afferent arteriole and dilation of efferent arteriole
Reabsorption of which of the following molecules in the PCT does not involve active transport?
Glucose
Water
Sodium ions
Chloride ions
Sodium is co-transported with which of the following molecule(s) across the luminal membrane of the PCT?
Glucose
Potassium ions
Water
Urea
Fill in the blank:
The renal clearance of a substance (X) can be calculated by:
urinary ....?..... x urinary flow rate
________________________________________
plasma concentration of substance (X)
amount of substance (X)
resistance of substance (X)
GFR of substance (X)
concentration of substance (X)
At which part of the nephron is glucose reabsorbed?
PCT
Descending Loop of Henle
DCT
Ascending Loop of Henle
When a patient has an AKI (acute kidney injury), what sort of changes would you expect to see with their glomerular filtrate rate (eGFR) and creatinine levels?
Raised eGFR, and low creatinine
Raised eGFR, high creatinine
Low eGFR, low creatinine
low eGFR, high creatinine
Tick all the properties that PAH (para aminohippiuric acid) has which helps us measure the renal plasma flow?
It is produced in the kidneys
It is not broken down in the kidneys
Nearly all plasma PAH is cleared by the kidneys
It is oxidised in the kidneys
