Question 1

Each kidney contains more than a million "functional units" called ___________.

Accepted Answer

The answer of Each kidney contains more than a million...

Question 2

The first structure in the kidney to collect newly formed urine is the

Accepted Answer

A)  renal capsule.
B)  minor calyx.
C)  renal pelvis.
D)  renal sinus.
E)  renal cortex.F) A) and C)
G) A) and B)

Question 3

Blood is supplied to the urinary bladder by branches of the

Accepted Answer

A)  internal iliac arteries.
B)  external iliac arteries.
C)  inferior mesenteric arteries.
D)  median sacral artery.
E)  deep ilial circumflex artery.F) None of the above
G) B) and D)

Question 4

The developing kidneys are able to produce and expel urine by week ______ of development.

Accepted Answer

A)  5
B)  10
C)  15
D)  20
E)  25F) A) and D)
G) B) and E)

Question 5

If blood oxygen levels are reduced,cells in the kidney respond by secreting the hormone _________________.

Accepted Answer

The answer of If blood oxygen levels are reduced,cells in...

Question 6

The external urethral sphincter

Accepted Answer

A)  surrounds the external urethral orifice.
B)  is composed of smooth muscle fibers.
C)  is controlled by the somatic nervous system.
D)  opens before the internal urethral sphincter during the micturition reflex.
E)  All of the choices are correct.F) A) and E)
G) D) and E)

Question 7

Which step(s) in the process of urine formation occur in the renal tubule?

Accepted Answer

A)  Filtration
B)  Secretion
C)  Reabsorption
D)  Filtration,secretion,and reabsorption
E)  Secretion and reabsorptionF) A) and E)
G) B) and C)

Question 8

Which portion of the renal tubule reabsorbs electrolytes,plasma proteins,nutrients,vitamins,and water?

Accepted Answer

A)  Proximal convoluted tubule
B)  Distal convoluted tubule
C)  Ascending limb of nephron loop
D)  Descending limb of nephron loop
E)  Collecting ductF) B) and C)
G) A) and D)

Question 9

Which does not enter or exit the kidney at the hilum?

Accepted Answer

A)  Renal artery
B)  Ureter
C)  Renal vein
D)  Renal plexus
E)  No exceptions;all choices enter or exit the kidney at the hilum.F) A) and D)
G) A) and E)

Question 10

The muscularis layer of the urinary bladder is commonly called the _____ muscle.

Accepted Answer

A)  detrusor
B)  micturition
C)  trigone
D)  extrusor
E)  extrinsicF) B) and D)
G) C) and D)

Question 11

What is the value of transitional epithelium in the urinary system?

Accepted Answer

A)  Its cilia help propel the urine.
B)  It can contract to produce peristalsis.
C)  It allows distension.
D)  It protects against trauma.
E)  It provides cushioning.F) D) and E)
G) A) and C)

Question 12

In males,the proximal portion of the urethra is called the __________ urethra.

Accepted Answer

The answer of In males,the proximal portion of the urethra...

Question 13

Which is not correct regarding the kidneys?

Accepted Answer

A)  The kidneys are retroperitoneal.
B)  The kidneys are surrounded by a fibrous renal capsule.
C)  The kidneys are cushioned and insulated by adipose tissue.
D)  The indented medial surface of the kidney is called the renal papilla.
E)  The kidney is composed of an inner renal medulla and an outer renal cortex.F) D) and E)
G) C) and D)

Question 14

-This figure shows a renal corpuscle.What type of cell does number 2 indicate?

Accepted Answer

A)  Podocyte
B)  Pedicel
C)  Cuboidal epithelial cell
D)  Squamous epithelial cell
E)  Columnar epithelial cellF) A) and B)
G) A) and D)

Question 15

The urethra and urinary bladder develop from a structure called the

Accepted Answer

A)  allantois.
B)  urachus.
C)  cloaca.
D)  urogenital sinus.
E)  urethral bud.F) B) and C)
G) A) and E)

Question 16

Which is not a function of the urinary system?

Accepted Answer

A)  Regulation of blood volume
B)  Excretion of wastes
C)  Regulation of erythrocyte production
D)  Regulation of lymphocyte production
E)  Storage of urineF) B) and D)
G) A) and B)

Question 17

Sympathetic fibers inhibit micturition.

Accepted Answer

A) True 
 B)False

Question 18

The urinary and reproductive systems develop from

Accepted Answer

A)  mesoderm.
B)  ectoderm.
C)  endoderm.
D)  mesoderm and ectoderm.
E)  endoderm and ectoderm.F) C) and D)
G) All of the above

Question 19

Which is not correct regarding the urinary bladder?

Accepted Answer

A)  There are two ureteral openings.
B)  The inferior portion of the bladder is called the apex.
C)  The bladder is held in place by the median umbilical ligament.
D)  The mucosa has rugae for distension.
E)  The peritoneum covers only the superior surface of the bladder.F) B) and E)
G) A) and E)

Question 20

The ureters

Accepted Answer

A)  are intraperitoneal.
B)  average 12 cm in length.
C)  are fibromuscular tubes.
D)  extend from the renal hilum to the anterolateral wall of the urinary bladder.
E)  All of the choices are correct.F) A) and B)
G) A) and C)

Exam 27: Urinary System

The urethra and urinary bladder develop from a structure called the

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Which is not correct regarding the urinary bladder?

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Sympathetic fibers inhibit micturition.

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Which portion of the renal tubule reabsorbs electrolytes,plasma proteins,nutrients,vitamins,and water?

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Each kidney contains more than a million "functional units" called ___________.

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Which does not enter or exit the kidney at the hilum?

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If blood oxygen levels are reduced,cells in the kidney respond by secreting the hormone _________________.

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In males,the proximal portion of the urethra is called the __________ urethra.

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The developing kidneys are able to produce and expel urine by week ______ of development.

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Which is not a function of the urinary system?

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The muscularis layer of the urinary bladder is commonly called the _____ muscle.

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Blood is supplied to the urinary bladder by branches of the

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The external urethral sphincter

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Which is not correct regarding the kidneys?

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The urinary and reproductive systems develop from

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The ureters

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The first structure in the kidney to collect newly formed urine is the

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What is the value of transitional epithelium in the urinary system?

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Which step(s) in the process of urine formation occur in the renal tubule?

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-This figure shows a renal corpuscle.What type of cell does number 2 indicate?

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