Question 1

The active transport of solutes out of the blood and into the tubular fluid is called

Accepted Answer

A)  filtration.
B)  tubular reabsorption.
C)  tubular secretion.
D)  fenestration.
E)  titration.F) B) and D)
G) A) and B)

Question 2

Which of the following choices lists structures in the order in which urine flows through them

Accepted Answer

A)  Major calyx,minor calyx,renal pelvis
B)  Renal pelvis,major calyx,minor pelvis
C)  Minor calyx,major calyx,renal pelvis
D)  Major pelvis,minor calyx,renal pelvis
E)  Major calyx,renal pelvis,minor calyxF) B) and E)
G) B) and D)

Question 3

Collecting ducts are larger than collecting tubules.

Accepted Answer

A) True 
 B)False

Question 4

Peritubular capillaries are associated with the convoluted tubules,while vasa recta are associated with the nephron loop.

Accepted Answer

A) True 
 B)False

Question 5

What is the correct sequence of organs for the formation and elimination of urine

Accepted Answer

A)  Bladder,urethra,kidney,ureter
B)  Kidney,ureter,bladder,urethra
C)  Kidney,urethra,bladder,ureter
D)  Kidney,bladder,ureter,urethra
E)  Urethra,bladder,kidney,ureterF) None of the above
G) A) and B)

Question 6

The capillaries of the glomerulus differ from most other capillary networks in the body because they

Accepted Answer

A)  carry only deoxygenated blood.
B)  drain into an arteriole instead of a venule.
C)  contain no endothelium.
D)  absorb nutrients from the glomerular capsule.
E)  secrete mucus.F) A) and B)
G) A) and C)

Question 7

-This figure shows a frontal section of the kidney.What structure does number 5 indicate

Accepted Answer

A)  Renal medulla
B)  Renal lobe
C)  Renal sinus
D)  Renal pyramid
E)  Renal cortexF) A) and D)
G) B) and C)

Question 8

Individuals can voluntarily empty their bladder by contracting their abdominal muscles as part of the Valsalva maneuver.

Accepted Answer

A) True 
 B)False

Question 9

The largest possible amount of a substance that can be reabsorbed or secreted across a kidney tubule wall in a given duration of time is known as the

Accepted Answer

A)  glomerular filtration rate.
B)  renal threshold.
C)  transport maximum.
D)  net filtration pressure.
E)  renal clearance exponent.F) A) and B)
G) C) and D)

Question 10

The word "countercurrent" within "countercurrent multiplier" refers to the opposite direction of flow of

Accepted Answer

A)  sodium and potassium across the wall of the nephron.
B)  tubular fluid within the ascending and descending limb of the nephron loop.
C)  salts and water across the wall of the renal tubule.
D)  tubular fluid in the proximal convoluted tubule and collecting tubule.E) B) and C)
F) None of the above

Question 11

Urine flow from the renal pelvis to the urinary bladder is produced by

Accepted Answer

A)  ciliary action in the renal pelvis.
B)  suction from the urinary bladder.
C)  peristalsis of the ureters.
D)  hydrostatic pressure from the small intestine.
E)  contraction of the detrusor muscle.F) C) and E)
G) A) and E)

Question 12

Usually the urine of someone with a high-protein diet does not contain any bicarbonate ions,as all of it that is filtered is reclaimed from the tubules.

Accepted Answer

A) True 
 B)False  True

Question 13

Generally,the higher the renal plasma clearance of a given drug,the more frequently the drug must be given in order to be effective.

Accepted Answer

A) True 
 B)False

Question 14

The internal urethral sphincter is formed by skeletal muscle fibers of the urogenital diaphragm.

Accepted Answer

A) True 
 B)False

Question 15

Which accurately describes the handling of urea by the kidney

Accepted Answer

A)  All of the urea that reaches the kidney is excreted in the urine.
B)  About half of the urea that is filtered is excreted in the urine.
C)  None of the urea that reaches the kidney is excreted in the urine.D) A) and B)
E) All of the above

Question 16

To test someone's glomerular filtration rate,the individual is injected with the polysaccharide _____________.

Accepted Answer

inulin

Question 17

Careful measurements of GFR are made by injection of _______,but approximations of GFR can be made more simply by measuring renal plasma clearance of _________.

Accepted Answer

A)  creatine phosphate;insulin
B)  insulin;creatine phosphate
C)  inulin;creatinine
D)  creatinine;inulinE) A) and C)
F) A) and B)

Question 18

Which processes does urea undergo within the kidney

Accepted Answer

A)  It is filtered but neither reabsorbed nor secreted.
B)  It is filtered and can be reabsorbed and secreted.
C)  It is filtered and can also be secreted but not reabsorbed.
D)  It is not filtered nor reabsorbed but can be secreted.
E)  It is not filtered but can be secreted and reabsorbed.F) A) and B)
G) C) and D)

Question 19

The renal corpuscle is located within the

Accepted Answer

A)  collecting duct.
B)  renal medulla.
C)  renal cortex.
D)  renal pelvis.E) B) and D)
F) C) and D)

Question 20

An adult human kidney typically contains ______ renal pyramid(s) .

Accepted Answer

A)  2 to 5
B)  8 to 15
C)  16 to 24
D)  1
E)  30 to 40F) A) and B)
G) C) and E) B

Exam 24: Urinary System

The active transport of solutes out of the blood and into the tubular fluid is called

Correct AnswerverifiedShow Answer

Which of the following choices lists structures in the order in which urine flows through them

Correct AnswerverifiedShow Answer

Collecting ducts are larger than collecting tubules.

Correct AnswerverifiedShow Answer

Peritubular capillaries are associated with the convoluted tubules,while vasa recta are associated with the nephron loop.

Correct AnswerverifiedShow Answer

What is the correct sequence of organs for the formation and elimination of urine

Correct AnswerverifiedShow Answer

The capillaries of the glomerulus differ from most other capillary networks in the body because they

Correct AnswerverifiedShow Answer

-This figure shows a frontal section of the kidney.What structure does number 5 indicate

Correct AnswerverifiedShow Answer

Individuals can voluntarily empty their bladder by contracting their abdominal muscles as part of the Valsalva maneuver.

Correct AnswerverifiedShow Answer

The largest possible amount of a substance that can be reabsorbed or secreted across a kidney tubule wall in a given duration of time is known as the

Correct AnswerverifiedShow Answer

The word "countercurrent" within "countercurrent multiplier" refers to the opposite direction of flow of

Correct AnswerverifiedShow Answer

Urine flow from the renal pelvis to the urinary bladder is produced by

Correct AnswerverifiedShow Answer

Usually the urine of someone with a high-protein diet does not contain any bicarbonate ions,as all of it that is filtered is reclaimed from the tubules.

Correct AnswerverifiedTrue

Generally,the higher the renal plasma clearance of a given drug,the more frequently the drug must be given in order to be effective.

Correct AnswerverifiedShow Answer

The internal urethral sphincter is formed by skeletal muscle fibers of the urogenital diaphragm.

Correct AnswerverifiedShow Answer

Which accurately describes the handling of urea by the kidney

Correct AnswerverifiedShow Answer

To test someone's glomerular filtration rate,the individual is injected with the polysaccharide _____________.

Correct Answerverifiedinulin

Careful measurements of GFR are made by injection of _______,but approximations of GFR can be made more simply by measuring renal plasma clearance of _________.

Correct AnswerverifiedShow Answer

Which processes does urea undergo within the kidney

Correct AnswerverifiedShow Answer

The renal corpuscle is located within the

Correct AnswerverifiedShow Answer

An adult human kidney typically contains ______ renal pyramid(s) .

Correct AnswerverifiedB

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True

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inulin

Careful measurements of GFR are made by injection of _,but approximations of GFR can be made more simply by measuring renal plasma clearance of ___.

Correct Answer
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B