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Worksheetsurinary system
Total questions: 10
Worksheet time: 7mins
Which of the following releases renin?
the lungs
the heart
the entire juxtaglomerular apparatus
juxtaglomerular cells
99% of glucose and amino acids are resorbed in what part of the nephron?
the glomerulus
the loop of Henle
the distal tubule
the proximal tubule
What percentage of resting cardiac output is filtering through the kidneys at any given moment?
20-25%
15-20%
10-15%
5-10%
What is the main functional unit of the kidney?
the Bowman's capsule
the glomerulus
the loop of Henle
the nephrons
What effect does aldosterone have on sodium, water, and potassium in the kidney?
Aldosterone increases sodium and water resorption and decreases potassium excretion in the kidney
Aldosterone decreases sodium and water resorption and increases potassium excretion in the kidney
Aldosterone increases sodium and water resorption and increases potassium excretion in the kidney
Aldosterone decreases sodium and water resorption and increases potassium excretion in the kidney
Which part of the nephron loop is associated with active transport of solutes out of the nephron?
the ascending limb of the nephron loop
the descending limb of the nephron loop
the glomerulus
the proximal convoluted tubule
What is the name of the blood vessel that exits the glomerular capsule and ultimately forms the peritubular capillaries?
efferent arterioles
renal capillaries
afferent arterioles
glomerular capillaries
At the bladder-urethral junction a thickening of the detrusor smooth muscle forms the (a) which keeps urethra closed when urine is not being passed and prevents leaking between voiding.
80% of all nephrons is located in the renal cortex and called __________________which contain shorter loops of henle (for less efficient water reabsorption), while the remaining 20% of nephrons is located between renal cortex and medulla and called ___________________which contain longer loops of henle (for efficient water reabsorption).
(a)
urine formation involves 4 processes:
(a)
