Renal Physiology MCQs True/False
1) The fluid in which of the following part of the nephron is always hypotonic to plasma?
a) The PCT
b) Tip of loop of Henle
c) Ascending limb of LoH
d) Early part of DCT
e) Medullary collecting duct
2) What are components of the juxtaglomerular apparatus
a) Afferent arteriole cells
b) Macula denza
c) Lacis cells
d) Mesangial cells
e) Glomerular capillary cells
3) Regarding urinary bladder
a) Internal sphincter contains smooth muscle
b) External sphincter contains skeletal muscle
c) A cyctogram records the volume of urine
d) First reflex initiated at 400ml
e) Reflex micturition is stimulated by receptors in external sphincter
4) Regarding nephrons
a) In man 50% are cortical nephrons
b) Juxtamedullary nephrons have long loops of Henle
c) Each kidney has about 1 million nephrons
d) Proximal tubule reabsorbs 65% of filtered Na+ Collecting duct is the main site of water reabsorption
5. Instances which lead to fall in GFR include
a) Constriction of afferent arteriole
b) Dehydration
c) Blood loss
d) Ureteric obstruction
e) Increases secretion of Angeotensin II Labels: Physiology MCQ, Renal, Renal MCQs