Chapter 20 Urinary System

Marvin goes on vacation to Maine and for a week eats nothing but seafood. The next week, he experiences intense pain in his big toe. He probably has

Answer explanation

Gout

The ureter extends downward

Answer explanation

behind the parietal peritoneum and joins the urinary bladder from below.

Results in a more dilute urine:

Answer explanation

- drinking a large volume of water on a day when you rested and stayed inside - overdosing on Losartan, a drug that blocks the action of angiotensin II - a new virus that attacks and damages the pituitary gland

Results in a more concentrated urine:

Answer explanation

- working outside on a hot day without access to drinking water - over-expression of aquaporins - overproduction of aldosterone - increasing the permeability of the collecting duct to water

Label the parts of the urinary system and associated structures.

Answer explanation

Secretion of atrial natriuretic peptide

Answer explanation

increases sodium excretion.

In which of the following regions of the nephron is water actively transported?

Answer explanation

None of the above

The micturition reflex center is in the

Answer explanation

sacral segments of the spinal cord.

As a result of very low arterial blood pressure, glomerular hydrostatic pressure

Answer explanation

drops and filtration decreases.

Kidney shrinkage with age is due to

Answer explanation

loss of glomeruli.