Question 1

Which of the following relationships is correct?

Accepted Answer

A)   insects: Malpighian tubules: urea as major nitrogenous waste
B)   annelids: protonephridia: ammonia as major nitrogenous waste
C)   freshwater fish: kidney: large volume of hypertonic urine
D)   sharks: kidney: large volume of hypotonic urine
E)   earthworm: kidney: ammonia as major nitrogenous wasteF) A) and E)
G) C) and D)

Question 2

Sharks excrete a small volume of dilute urine.
____________________

Accepted Answer

A) True 
 B)False

Question 3

Metanephridial organs are common in:

Accepted Answer

A)   mollusks.
B)   flatworms.
C)   cnidarians.
D)   sponges.
E)   insects.F) A) and E)
G) A) and C)

Question 4

Figure 48-1
Use the figure to answer the corresponding question(s) . 
-Refer to Figure 48-1.Which compound is the primary nitrogenous waste product of amphibians?

Accepted Answer

A)   1
B)   2
C)   3
D)   4
E)   5F) None of the above
G) A) and D)

Question 5

Discuss the advantages and disadvantages associated with the production of ammonia, urea, and uric acid.

Accepted Answer

Ammonia is the direct product of deamina...

Question 6

Which of the following would not be a component of normal urine?

Accepted Answer

A)   water
B)   urea
C)   bile pigments
D)   salts
E)   glucoseF) A) and C)
G) A) and E)

Question 7

Figure 48-1
Use the figure to answer the corresponding question(s) . 
-Osmoconformers would most likely be found in:

Accepted Answer

A)   estuaries.
B)   coastal zones that receive freshwater.
C)   freshwater.
D)   terrestrial habitats.
E)   open ocean waters.F) B) and D)
G) All of the above

Question 8

Insects have an excretory system consisting of Malphighian tubules.
____________________

Accepted Answer

A) True 
 B)False

Question 9

__________ directly deliver blood to the glomeruli.

Accepted Answer

A)   Afferent arterioles
B)   Efferent arterioles
C)   Peritubular capillaries
D)   Renal arteries
E)   Renal venulesF) A) and C)
G) B) and E)

Question 10

MATCHING
Match the part of the human urinary system with its description.
a.Bowman's capsule
e.loop of Henle
b.collecting duct
f.proximal convoluted tubule
c.distal convoluted tubule
g.ureter
d.glomerulus
h.urethra
-ADH makes the walls of this structure permeable to water

Accepted Answer

The answer of MATCHING
Match the part of the human urinary...

Question 11

MATCHING
Match the part of the human urinary system with its description.
a.Bowman's capsule
e.loop of Henle
b.collecting duct
f.proximal convoluted tubule
c.distal convoluted tubule
g.ureter
d.glomerulus
h.urethra
-most of the reabsorption occurs as the filtrate passes through this structure

Accepted Answer

The answer of MATCHING
Match the part of the human urinary...

Question 12

Atrial natriuretic peptide has been found to:

Accepted Answer

A)   decrease sodium secretion and increase blood pressure.
B)   constrict afferent arterioles, decreasing the glomerular filtration rate.
C)   be produced by the adrenal cortex.
D)   inhibit sodium reabsorption by the collecting ducts by inhibiting secretion of aldosterone.
E)   increase the release of renin from the juxtaglomerular apparatus.F) B) and D)
G) C) and E)

Question 13

The main nitrogenous waste of adult amphibians is:

Accepted Answer

A)   ammonia.
B)   urea.
C)   uric acid.
D)   peptides.
E)   purines.F) A) and E)
G) A) and D)

Question 14

MATCHING
Match the part of the human urinary system with its description.
a.Bowman's capsule
e.loop of Henle
b.collecting duct
f.proximal convoluted tubule
c.distal convoluted tubule
g.ureter
d.glomerulus
h.urethra
-urine flows out of the body via this structure

Accepted Answer

The answer of MATCHING
Match the part of the human urinary...

Question 15

Most of the filtrate is reabsorbed through the walls of the:

Accepted Answer

A)   distal convoluted tubule.
B)   loop of Henle.
C)   proximal convoluted tubule.
D)   collecting duct.
E)   glomerulus.F) B) and C)
G) A) and E)

Question 16

The main difference between protonephridia and metanephridia is that:

Accepted Answer

A)   protonephridia are involved in osmoregulation, while metanephridia are involved in excretion.
B)   protonephridia consist of blind flame cells, while metanephridia consist of tubules open at both ends.
C)   protonephridia are involved in excretion, while metanephridia are involved in osmoregulation.
D)   protonephridia consist of tubules open at both ends, while metanephridia consist of blind flame cells.
E)   protonephridia are found in annelids and metanephridia are found in flatworms.F) B) and C)
G) B) and D)

Question 17

MATCHING
Match the part of the human urinary system with its description.
a.Bowman's capsule
e.loop of Henle
b.collecting duct
f.proximal convoluted tubule
c.distal convoluted tubule
g.ureter
d.glomerulus
h.urethra
-connects the kidney with the urinary bladder

Accepted Answer

The answer of MATCHING
Match the part of the human urinary...

Question 18

Briefly explain the role of Malpighian tubules in arthropods.

Accepted Answer

Malpighian tubules absorb uric acid, sal...

Question 19

The major function of the protonephridia in the flatworm is to:

Accepted Answer

A)   conserve water.
B)   conserve salts.
C)   eliminate waste materials such as ammonia and urea.
D)   eliminate excess water.
E)   regulate the pH of the gastrovascular cavity.F) D) and E)
G) A) and D)

Question 20

The __________ is shorter in females than it is in males, which explains the greater likelihood of developing bladder infections in __________.

Accepted Answer

A)   ureter; females
B)   ureter; males
C)   renal papilla; females
D)   urethra; males
E)   urethra; femalesF) C) and D)
G) C) and E)

Exam 48: Osmoregulation and Disposal of Metabolic Wastes

Which of the following would not be a component of normal urine?

Correct AnswerverifiedShow Answer

__________ directly deliver blood to the glomeruli.

Correct AnswerverifiedShow Answer

Metanephridial organs are common in:

Correct AnswerverifiedShow Answer

Figure 48-1 Use the figure to answer the corresponding question(s) . -Osmoconformers would most likely be found in:

Correct AnswerverifiedShow Answer

Figure 48-1 Use the figure to answer the corresponding question(s) . -Refer to Figure 48-1.Which compound is the primary nitrogenous waste product of amphibians?

Correct AnswerverifiedShow Answer

Atrial natriuretic peptide has been found to:

Correct AnswerverifiedShow Answer

Discuss the advantages and disadvantages associated with the production of ammonia, urea, and uric acid.

Correct AnswerverifiedAmmonia is the direct product of deamina...View AnswerShow Answer

MATCHING Match the part of the human urinary system with its description. a.Bowman's capsule e.loop of Henle b.collecting duct f.proximal convoluted tubule c.distal convoluted tubule g.ureter d.glomerulus h.urethra -urine flows out of the body via this structure

Correct AnswerverifiedShow Answer

MATCHING Match the part of the human urinary system with its description. a.Bowman's capsule e.loop of Henle b.collecting duct f.proximal convoluted tubule c.distal convoluted tubule g.ureter d.glomerulus h.urethra -connects the kidney with the urinary bladder

Correct AnswerverifiedShow Answer

Most of the filtrate is reabsorbed through the walls of the:

Correct AnswerverifiedShow Answer

The main nitrogenous waste of adult amphibians is:

Correct AnswerverifiedShow Answer

Sharks excrete a small volume of dilute urine. ____________________

Correct AnswerverifiedShow Answer

The main difference between protonephridia and metanephridia is that:

Correct AnswerverifiedShow Answer

Which of the following relationships is correct?

Correct AnswerverifiedShow Answer

The __________ is shorter in females than it is in males, which explains the greater likelihood of developing bladder infections in __________.

Correct AnswerverifiedShow Answer

MATCHING Match the part of the human urinary system with its description. a.Bowman's capsule e.loop of Henle b.collecting duct f.proximal convoluted tubule c.distal convoluted tubule g.ureter d.glomerulus h.urethra -most of the reabsorption occurs as the filtrate passes through this structure

Correct AnswerverifiedShow Answer

MATCHING Match the part of the human urinary system with its description. a.Bowman's capsule e.loop of Henle b.collecting duct f.proximal convoluted tubule c.distal convoluted tubule g.ureter d.glomerulus h.urethra -ADH makes the walls of this structure permeable to water

Correct AnswerverifiedShow Answer

The major function of the protonephridia in the flatworm is to:

Correct AnswerverifiedShow Answer

Insects have an excretory system consisting of Malphighian tubules. ____________________

Correct AnswerverifiedShow Answer

Briefly explain the role of Malpighian tubules in arthropods.

Correct AnswerverifiedMalpighian tubules absorb uric acid, sal...View AnswerShow Answer

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Ammonia is the direct product of deamina...
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The is shorter in females than it is in males, which explains the greater likelihood of developing bladder infections in .

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Malpighian tubules absorb uric acid, sal...
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