Renal Phhysiology 1

Multiple Choice

Which of the following structures is found in the renal medulla?

• Renal corpuscle

• Proximal convoluted tubule

• Distal convoluted tubule

• Collecting duct

Multiple Choice

QC: Prone to ischemia (1) renal cortex (2) renal medulla

• (1) > (2)

• (1) < (2)

• (1) = (2)

Multiple Choice

Which vessels directly supply blood to the glomerulus in the kidney?

• Afferent arteriole

• Efferent arteriole

• Interlobular artery

• Arcuate artery

Multiple Select

The filtration barrier is composed of (mark all correct answers):

• podocyte foot processes

• glomerular basement membrane

• parietal layer of the Bowman's capsule

• capillary endothelium

Multiple Choice

Which component of the glomerular filtration barrier acts as a charge-selective filter?

• Capillary endothelium

• Glomerular basement membrane

• Podocyte foot processes

• Parietal layer of Bowman's capsule

Multiple Choice

QC: Glomerular filterability (1) cationic molecule 28angstrom size (2) anionic molecule 28 angstrom size

• (1) > (2)

• (1) < (2)

• (1) = (2)

Multiple Choice

Which substances have a filterability of 1.0 according to the table of glomerular capillary filterability?

• Water, Sodium, Glucose, Inulin

• Water, Sodium, Albumin, Myoglobin

• Glucose, Inulin, Albumin, Sodium

• Water, Myoglobin, Inulin, Albumin

Multiple Choice

What is the main effect of reduced negative charges in the glomerular filtration barrier?

• Decreased filtration of cationic proteins

• Increased filtration of anionic proteins

• No change in protein filtration

• Decreased filtration of all proteins

CREATININE CLEARANCE

Multiple Choice

VR: (1) Plasma creatinine

   (2) estimated GFR

• inc in (1) leads to inc in (2)

• inc in (1) leads to dec in (2)

• inc in (1) leads to no change in (2)

Open Ended

Which Starling's force is increased in this condition?

Multiple Choice

VR: (1) PBS (2) GFR

• inc in (1) leads to inc in (2)

• inc in (1) leads to dec in (2)

• inc in (1) leads to no change in (2)

Multiple Choice

Macula densa in kidney is located in

• PCT

• TALH

• Afferent aretriole

• Efferent arteriole

TGF VIDEO

Multiple Choice

Which of the following is a renal vasodilator?

• Epinephrine

• Dopamine

• Endothelin

• ADH

"PHYSIOLOGIC LOW-DOSE DOPAMINE"

Multiple Choice

QC: Glomerular capillary hydrostatic pressure (1) afferent end (2) efferent end

• (1) > (2)

• (1) < (2)

• (1) = (2)

Multiple Choice

QC: Glomerular capillary oncotic pressure (1) afferent end (2) efferent end

• (1) > (2)

• (1) < (2)

• (1) = (2)