1. Which directly produces vasoconstriction?
A)renin
B)angiotensin
C)erythropoietin
D)both A and B
E)both B and C
2.Each molecule of urea contains ________ atom(s) of nitrogen.
A)1
B)2
C)3
D)4
3.The process of filtration in the kidneys is the result of
A)a high concentration of wastes in the bloodstream and a low concentration in the bowman's capsule.
B)reabsorption of excess water.
C)active transport of wastes into the Bowman's capsule.
D)blood wastes diffusing across a membrane.
E)the arteriole coming out of the glomerulus being smaller than the one going in.
4. Each of the following requires twelve carbon atoms. Which of the arrangements demonstrates carbon atoms with the greatest entropy?
A)one molecule of the disaccharide, maltose, C12H22O11
B)two molecules of the monosaccharide glucose, C6H12O6
C)four molecules of the monosaccharide, pyruvate C3H4O3
D)twelve molecules of carbon dioxide, CO2
E)It is impossible to determine.
A)renin
B)angiotensin
C)erythropoietin
D)both A and B
E)both B and C
2.Each molecule of urea contains ________ atom(s) of nitrogen.
A)1
B)2
C)3
D)4
3.The process of filtration in the kidneys is the result of
A)a high concentration of wastes in the bloodstream and a low concentration in the bowman's capsule.
B)reabsorption of excess water.
C)active transport of wastes into the Bowman's capsule.
D)blood wastes diffusing across a membrane.
E)the arteriole coming out of the glomerulus being smaller than the one going in.
4. Each of the following requires twelve carbon atoms. Which of the arrangements demonstrates carbon atoms with the greatest entropy?
A)one molecule of the disaccharide, maltose, C12H22O11
B)two molecules of the monosaccharide glucose, C6H12O6
C)four molecules of the monosaccharide, pyruvate C3H4O3
D)twelve molecules of carbon dioxide, CO2
E)It is impossible to determine.