Question 1

Identify the labeled structures in the diagram of nephron anatomy.  a: ________
b: ________
c: ________
d: ________
e: ________
f: ________
g: ________
h: ________
i: ________
j: ________
k: ________
l: ________

Accepted Answer

a: glomerular capsule b: efferent arteri...

Question 2

List,in order,the pathway urine will take starting with the glomeruli and exiting the body from the urethra.

Accepted Answer

Urine formation will start in the glomer...

Question 3

The nitrogenous waste material of an embryo that accumulates inside the eggshell of a bird or reptile is

Accepted Answer

A)  urea.
B)  uric acid.
C)  amino acid.
D)  ammonia.
E)  uracil.F) D) and E)
G) All of the above

Question 4

Which substance is normally found in the glomerular filtrate but not in urine?

Accepted Answer

A)  glucose
B)  salts
C)  water
D)  uric acid
E)  All are components of glomerular filtrate and urine.F) A) and E)
G) B) and D)

Question 5

When ________ and ________ are broken down excess nitrogen is released that must be eliminated by the excretory system.

Accepted Answer

A)  amino acids; nucleic acids
B)  proteins; salts
C)  glucose; fatty acids
D)  nucleic acids; sulfurE) B) and D)
F) B) and C)

Question 6

The kidneys filter all of the blood within the human body in about 40 minutes.

Accepted Answer

A) True 
 B)False

Question 7

Among aquatic animals,only the blood of ________ is nearly isotonic to seawater.

Accepted Answer

A)  whales
B)  freshwater bony fish
C)  marine bony fish
D)  cartilaginous fish
E)  salamandersF) B) and E)
G) B) and D)

Question 8

Which of the following organisms is mismatched with their organs of excretion?

Accepted Answer

A)  Planarians - flame cells
B)  Earthworms - nephridia
C)  Malpighian tubules - reptiles
D)  Kidneys - humansE) All of the above
F) B) and C)

Question 9

Normally,concentrations of metabolically important substances,such as glucose,are

Accepted Answer

A)  high in glomerular filtrate but only a trace in urine.
B)  low in glomerular filtrate but high in urine.
C)  high in glomerular filtrate and urine.
D)  low in both glomerular filtrate and urine.
E)  excluded from entering the excretory system altogether.F) B) and D)
G) A) and B)

Question 10

Nutrient molecules are taken back into the blood from the urinary filtrate by means of

Accepted Answer

A)  tubular reabsorption.
B)  tubular secretion.
C)  osmosis.
D)  glomerular filtration.E) None of the above
F) A) and D)

Question 11

Malpighian tubules are the excretory system attached to the gut in

Accepted Answer

A)  earthworms.
B)  insects.
C)  humans.
D)  planarians.E) All of the above
F) B) and D)

Question 12

The overall effect of renin release will be to

Accepted Answer

A)  lower blood pressure.
B)  lower blood volume.
C)  decrease hydrogen ion excretion and decrease sodium and bicarbonate ion absorption.
D)  inhibit aldosterone secretion.
E)  increase blood volume and pressure.F) A) and E)
G) D) and E)

Question 13

Although there is no connection between the female urinary and reproductive tracts,there is a connection between these systems in males because

Accepted Answer

A)  urine is produced in the nephrons and sperm is produced in the ureters.Both then pass through the urethra to exit the body.
B)  urine is produced in the kidneys,but passes through the seminal vesicles for further absorption of water.
C)  both urine and sperm pass through the ureters,which then leads to the urethra.
D)  urine is voided from the body through the urethra and the urethra carries sperm during ejaculation.E) A) and D)
F) A) and C)

Question 14

The human kidney has an outer cortex,an inner medulla,and a renal pelvis that collects and stores urine before it leaves the kidney.

Accepted Answer

A) True 
 B)False

Question 15

Which of the following is NOT a nitrogenous waste product produced by the excretory systems of animals?

Accepted Answer

A)  ammonia
B)  urea
C)  uric acid
D)  bile pigmentsE) A) and C)
F) B) and C)

Question 16

Which of the following would be an indication of kidney failure?

Accepted Answer

A)  urea in the urine
B)  salts in the urine
C)  uric acid in the urine
D)  large amount of protein in the urine
E)  dilute urineF) A) and B)
G) None of the above

Question 17

The concentration of protein in the blood is higher in post-glomerular blood than in arterial blood because

Accepted Answer

A)  protein is digested and then concentrated in glomerular (Bowman's) capsule.
B)  the kidney manufactures and then stores protein in the glomerulus.
C)  reabsorption of protein occurs.
D)  water passes into the capsule,but protein molecules are too large to move into the capsule and are concentrated in the blood.
E)  water concentration increases and protein concentrations decrease.F) A) and C)
G) None of the above

Question 18

Which of the following statements about the glomerulus is INCORRECT?

Accepted Answer

A)  Blood pressure primarily accounts for filtration.
B)  Small molecules move from the glomerular (Bowman's) capsule into the glomerulus.
C)  It is composed of capillaries.
D)  It is connected to two arterioles.
E)  It is surrounded by the glomerular (Bowman's) capsule.F) C) and E)
G) A) and B)

Question 19

Which of the following nitrogenous waste products is secreted by organisms that live in water and have body surfaces in direct contact with water?

Accepted Answer

A)  ammonia
B)  urea
C)  uric acid
D)  All of the answers are correct.
E)  No answer is correct.F) A) and D)
G) D) and E)

Question 20

Which is NOT a function of the kidneys?

Accepted Answer

A)  monitoring and maintaining blood pH
B)  regulating blood pressure by regulating salt balance in the blood
C)  elimination of nitrogenous wastes including urea,uric acid,and creatinine
D)  hormone secretion to stimulate red blood cell production and regulate sodium ion levels
E)  production of water from oxygen and bicarbonate ions (HCO3) F) C) and D)
G) A) and D)

Exam 36: Body Fluid Regulation and Excretory Systems

Which of the following would be an indication of kidney failure?

Correct AnswerverifiedShow Answer

Which of the following nitrogenous waste products is secreted by organisms that live in water and have body surfaces in direct contact with water?

Correct AnswerverifiedShow Answer

Which is NOT a function of the kidneys?

Correct AnswerverifiedShow Answer

Normally,concentrations of metabolically important substances,such as glucose,are

Correct AnswerverifiedShow Answer

When ________ and ________ are broken down excess nitrogen is released that must be eliminated by the excretory system.

Correct AnswerverifiedShow Answer

Which of the following is NOT a nitrogenous waste product produced by the excretory systems of animals?

Correct AnswerverifiedShow Answer

Which substance is normally found in the glomerular filtrate but not in urine?

Correct AnswerverifiedShow Answer

Malpighian tubules are the excretory system attached to the gut in

Correct AnswerverifiedShow Answer

Nutrient molecules are taken back into the blood from the urinary filtrate by means of

Correct AnswerverifiedShow Answer

The kidneys filter all of the blood within the human body in about 40 minutes.

Correct AnswerverifiedShow Answer

The overall effect of renin release will be to

Correct AnswerverifiedShow Answer

List,in order,the pathway urine will take starting with the glomeruli and exiting the body from the urethra.

Correct AnswerverifiedUrine formation will start in the glomer...View AnswerShow Answer

Which of the following organisms is mismatched with their organs of excretion?

Correct AnswerverifiedShow Answer

The human kidney has an outer cortex,an inner medulla,and a renal pelvis that collects and stores urine before it leaves the kidney.

Correct AnswerverifiedShow Answer

Identify the labeled structures in the diagram of nephron anatomy. a: ________ b: ________ c: ________ d: ________ e: ________ f: ________ g: ________ h: ________ i: ________ j: ________ k: ________ l: ________

Correct Answerverifieda: glomerular capsule b: efferent arteri...View AnswerShow Answer

Among aquatic animals,only the blood of ________ is nearly isotonic to seawater.

Correct AnswerverifiedShow Answer

Although there is no connection between the female urinary and reproductive tracts,there is a connection between these systems in males because

Correct AnswerverifiedShow Answer

Which of the following statements about the glomerulus is INCORRECT?

Correct AnswerverifiedShow Answer

The nitrogenous waste material of an embryo that accumulates inside the eggshell of a bird or reptile is

Correct AnswerverifiedShow Answer

The concentration of protein in the blood is higher in post-glomerular blood than in arterial blood because

Correct AnswerverifiedShow Answer

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When and are broken down excess nitrogen is released that must be eliminated by the excretory system.

Correct Answer
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Urine formation will start in the glomer...
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Correct Answer
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Identify the labeled structures in the diagram of nephron anatomy. a: b: c: d: e: f: g: h: i: j: k: l:

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a: glomerular capsule b: efferent arteri...
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