Question 1

Which of the following statements are true of the urination reflex? (Read carefully and select all of the correct statements.)

Accepted Answer

A)  This is a flexor reflex over which we may exert voluntary control.
B)  The effector of the reflex is the detrusor muscle, which contracts.
C)  The stimulus for the reflex is stretching of the external urethral sphincter.
D)  The part of the CNS directly involved in the reflex is the spinal cord.E) A) and C)
F) A) and B)

Question 2

Normal urinary output per 24 hours is approximately:

Accepted Answer

A)  0.5 to 1 L
B)  1 to 2 L
C)  2 to 3 L
D)  3 to 4 LE) B) and C)
F) B) and D)

Question 3

The maximum amount of glucose or amino acids that may be reabsorbed by the kidney tubules is called the:

Accepted Answer

A)  secretion level
B)  GFR
C)  all or none law
D)  threshold levelE) None of the above
F) All of the above

Question 4

The renal vein takes blood from the:

Accepted Answer

A)  abdominal aorta to the kidney
B)  inferior vena cava to the kidney
C)  kidney to the abdominal aorta
D)  kidney to the inferior vena cavaE) B) and D)
F) A) and B)

Question 5

The cells of the proximal convoluted tubule are specialized for tubular reabsorption because they have:

Accepted Answer

A)  a greater blood supply nearby
B)  microvilli to increase their surface area
C)  more glomerular capillaries surrounding them
D)  cilia to sweep useful materials inE) B) and D)
F) All of the above

Question 6

The process of tubular secretion is especially important to excrete:

Accepted Answer

A)  creatinine
B)  excess glucose
C)  excess water
D)  nitrogen dioxideE) B) and C)
F) A) and B)

Question 7

Which statement is NOT true of the internal structure of the kidney?

Accepted Answer

A)  Collecting tubules are found in the renal pyramids.
B)  The renal pelvis is at the hilus of the kidney.
C)  Proximal convoluted tubules are found in the renal cortex.
D)  Distal convoluted tubules are found in the renal medulla.E) A) and D)
F) None of the above

Question 8

The detrusor muscle is shaped like a ____ and is made of ____ tissuE.

Accepted Answer

A)  sphere/striated muscle
B)  pear/striated muscle
C)  sphere/smooth muscle
D)  pear/smooth muscleE) B) and C)
F) A) and D)

Question 9

In the kidneys, the hormone that increases the reabsorption of calcium ions is:

Accepted Answer

A)  ADH
B)  ANP
C)  aldosterone
D)  parathyroid hormoneE) A) and C)
F) None of the above

Question 10

Which of the following statements are true of the ureter, urinary bladder, and urethra? (Read carefully and select all of the correct statements.)

Accepted Answer

A)  Peristalsis of the ureters is the function of their smooth muscle.
B)  The spherical detrusor muscle is smooth muscle that forms the wall of the bladder.
C)  In men, the urethra passes through the prostate gland and penis.
D)  The internal urethral sphincter is striated muscle at the junction of the bladder and urethra.
E)  The transitional epithelium of the bladder absorbs water to concentrate the urineF) The external urethral sphincter is striated muscle that is under parasympathetic control.G) B) and C)
H) A) and B)

Question 11

Compared to blood or tissue fluid, urine is ____________________tonic, which means it has a ____________________ concentration of dissolved materials.

Accepted Answer

hyper, gre...

Question 12

The functions of angiotensin II are to:

Accepted Answer

A)  cause vasodilation and increased secretion of ADH
B)  cause vasodilation and increased secretion of aldosterone
C)  cause vasoconstriction and increased secretion of ADH
D)  cause vasoconstriction and increased secretion of aldosteroneE) None of the above
F) C) and D)

Question 13

The secretion of renin by the kidneys brings about the formation of:

Accepted Answer

A)  ADH
B)  angiotensin II
C)  RBCs in the red bone marrow
D)  angiotensinogenE) A) and B)
F) All of the above

Question 14

The part of the urinary bladder that expels urine is the ____________________.

Accepted Answer

The answer of The part of the urinary bladder that...

Question 15

In the kidney, tubular reabsorption takes place from the ____________________ to the ____________________.

Accepted Answer

renal tubule (filtrate), peritubular cap...

Question 16

Movement of substances from the glomerulus to Bowman's capsule takes place by the process of ____________________, the energy for which is provided by ____________________.

Accepted Answer

filtration, blood pr...

Question 17

A glomerulus is a:

Accepted Answer

A)  network of capillaries in the renal corpuscle
B)  group of glomerular cells in the renal tubule
C)  network of capillaries in the renal tubule
D)  group of glomerular cells in the renal corpuscleE) None of the above
F) C) and D)

Question 18

Microvilli are found on the cells of the proximal convoluted tubule to:

Accepted Answer

A)  sweep the filtrate through the tubule
B)  maintain the pressure within the tubule
C)  prevent excessive reabsorption of water
D)  increase the surface area for reabsorptionE) None of the above
F) A) and B)

Question 19

Which statement is NOT true of the locations of the organs of the urinary system?

Accepted Answer

A)  The urinary bladder is posterior to the pubic bones.
B)  The ureter in men passes through the penis.
C)  The kidneys are lateral to the backbone behind the peritoneum in the upper abdominal cavity.
D)  The urethra extends from the urinary bladder to the exterior.E) B) and C)
F) A) and C)

Question 20

A renal corpuscle consists of the:

Accepted Answer

A)  glomerulus and Bowman's capsule
B)  Bowman's capsule and renal tubule
C)  renal tubule and loop of Henle
D)  loop of Henle and glomerulusE) None of the above
F) B) and C)

Exam 18: The Urinary System

Movement of substances from the glomerulus to Bowman's capsule takes place by the process of ____________________, the energy for which is provided by ____________________.

Correct Answerverifiedfiltration, blood pr...View AnswerShow Answer

The functions of angiotensin II are to:

Correct AnswerverifiedShow Answer

The cells of the proximal convoluted tubule are specialized for tubular reabsorption because they have:

Correct AnswerverifiedShow Answer

The process of tubular secretion is especially important to excrete:

Correct AnswerverifiedShow Answer

The secretion of renin by the kidneys brings about the formation of:

Correct AnswerverifiedShow Answer

Normal urinary output per 24 hours is approximately:

Correct AnswerverifiedShow Answer

A glomerulus is a:

Correct AnswerverifiedShow Answer

Microvilli are found on the cells of the proximal convoluted tubule to:

Correct AnswerverifiedShow Answer

The part of the urinary bladder that expels urine is the ____________________.

Correct AnswerverifiedShow Answer

A renal corpuscle consists of the:

Correct AnswerverifiedShow Answer

The detrusor muscle is shaped like a ____ and is made of ____ tissuE.

Correct AnswerverifiedShow Answer

The maximum amount of glucose or amino acids that may be reabsorbed by the kidney tubules is called the:

Correct AnswerverifiedShow Answer

In the kidneys, the hormone that increases the reabsorption of calcium ions is:

Correct AnswerverifiedShow Answer

Compared to blood or tissue fluid, urine is ____________________tonic, which means it has a ____________________ concentration of dissolved materials.

Correct Answerverifiedhyper, gre...View AnswerShow Answer

In the kidney, tubular reabsorption takes place from the ____________________ to the ____________________.

Correct Answerverifiedrenal tubule (filtrate), peritubular cap...View AnswerShow Answer

Which of the following statements are true of the urination reflex? (Read carefully and select all of the correct statements.)

Correct AnswerverifiedShow Answer

Which statement is NOT true of the locations of the organs of the urinary system?

Correct AnswerverifiedShow Answer

The renal vein takes blood from the:

Correct AnswerverifiedShow Answer

Which statement is NOT true of the internal structure of the kidney?

Correct AnswerverifiedShow Answer

Which of the following statements are true of the ureter, urinary bladder, and urethra? (Read carefully and select all of the correct statements.)

Correct AnswerverifiedShow Answer

Movement of substances from the glomerulus to Bowman's capsule takes place by the process of , the energy for which is provided by .

Correct Answer
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filtration, blood pr...
View Answer

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The detrusor muscle is shaped like a and is made of tissuE.

Correct Answer
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Compared to blood or tissue fluid, urine is tonic, which means it has a concentration of dissolved materials.

Correct Answer
verified
hyper, gre...
View Answer

In the kidney, tubular reabsorption takes place from the to the .

Correct Answer
verified
renal tubule (filtrate), peritubular cap...
View Answer

Correct Answer
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Correct Answer
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Correct Answer
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Correct Answer
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