Problem 1
A freshwater fish gains most of its water by_____. a. drinking c. osmosis b. eating food d. transport across the gills
Problem 2
Breakdown of _____ produces ammonia. a. sugars c. starches b. fats d. proteins
Problem 3
Insects and birds excrete_____. a. ammonia c. uric acid b. urea d. nucleic acid
Problem 4
Bowman's capsule, the start of the tubular part of a nephron, is located in the_____. a. renal cortex c. renal pelvis b. renal medulla d. renal artery
Problem 5
Plasma fluid filtered into Bowman's capsule flows directly into the_____. a. renal artery c. distal tubule b. proximal tubule d. loop of Henle
Problem 6
Blood pressure forces water and small solutes out of blood and into nephrons during_____. a. glomerular filtration c. tubular secretion b. tubular reabsorption d. both a and \(c\)
Problem 7
Kidneys return most of the water and small solutes back to blood by way of_____. a. glomerular filtration b. tubular reabsorption c. tubular secretion d. both a and \(b\)
Problem 8
Tubular secretion moves_____ into kidney tubules. a. \(\mathrm{H}^{+}\) b. glucose \(c\) water d. protein
Problem 9
Antidiuretic hormone makes distal tubules and collecting tubules more permeable to_____.
Problem 10
_____ can keep people with kidney failure alive, but it cannot cure them.
