Question 1

Which of the following particles are not filtered out of the blood in the glomerulus?

Accepted Answer

A)   plasma proteins
B)   water
C)   nitrogenous wastes
D)   salts
E)   nutrientsF) A) and C)
G) A) and E) A

Question 2

How are excretion and defecation alike?

Accepted Answer

A)   Both are carried out by the urinary system.
B)   Both eliminate waste from the body.
C)   Both are carried out by the digestive system.
D)   Both involve the kidneys.
E)   Both involve the colon.F) A) and B)
G) A) and C)

Question 3

Which of the following is not part of a nephron?

Accepted Answer

A)   glomerular capsule
B)   proximal convoluted tubule
C)   loop of Henle
D)   collecting duct
E)   ureterF) A) and B)
G) D) and E)

Question 4

The urethra is controlled by two sphincters, one composed of smooth muscle and one composed of skeletal muscle.

Accepted Answer

A) True 
 B)False

Question 5

Which substance is removed from the blood during tubular secretion?

Accepted Answer

A)   H+
B)   Na+
C)   Aldosterone
D)   water
E)   Cl-F) B) and E)
G) A) and E)

Question 6

What effect does cellular respiration have on the pH of the blood?

Accepted Answer

A)   It does not affect the pH.
B)   It raises the pH.
C)   It lowers the pH.
D)   Increases the amount of hydrogen ions in the blood.
E)   Decreases the amount of hydroxide ions in the blood.F) C) and E)
G) A) and E) C

Question 7

How is penicillin removed from the blood?

Accepted Answer

A)   glomerular filtration
B)   tubular secretion
C)   tubular reabsorption
D)   phagocytosis
E)   passive transportF) A) and D)
G) C) and E)

Question 8

The kidneys interact with every other organ system of the human body in maintaining homeostasis.

Accepted Answer

A) True 
 B)False

Question 9

What are the two ways substances are removed from the blood and added to the forming urine?

Accepted Answer

A)   glomerular filtration and tubular secretion
B)   glomerular filtration and tubular reabsorption
C)   tubular secretion and tubular reabsorption
D)   glomerular secretion and tubular reabsorption
E)   glomerular secretion and tubular secretionF) A) and B)
G) D) and E)

Question 10

Which part of the nephron contains podocytes?

Accepted Answer

A)   distal convoluted tubule
B)   proximal convoluted tubule
C)   ascending limb of loop
D)   descending limb of loop
E)   glomerular capsuleF) C) and D)
G) A) and B)

Question 11

How many openings (inputs and outputs)  are there in the urinary bladder?

Accepted Answer

A)   one
B)   two
C)   three
D)   four
E)   fiveF) A) and B)
G) All of the above

Question 12

Which of the following is not a metabolic waste product?

Accepted Answer

A)   urea
B)   erythropoietin
C)   ammonia
D)   creatinine
E)   uric acidF) A) and B)
G) A) and E)

Question 13

The urethra in females is much longer than in males.

Accepted Answer

A) True 
 B)False

Question 14

Why do water and small molecules move from the glomerulus into the filtrate?

Accepted Answer

A)   diffusion down the concentration gradient
B)   glomerular blood pressure
C)   active transport
D)   secretion
E)   diffusion against the concentration gradientF) A) and B)
G) B) and E)

Question 15

What effect does ANH have on renin?

Accepted Answer

A)   it inhibits its secretion
B)   it inhibits its production
C)   it promotes its secretion
D)   it promotes its production
E)   it produces additional hormones that accelerate the production of reninF) B) and D)
G) B) and E) A

Question 16

Explain the three steps involved in urine formation.

Accepted Answer

1. Glomerular filtration: water, salts, ...

Question 17

Each nephron has its own collecting duct.

Accepted Answer

A) True 
 B)False

Question 18

The kidneys are much more powerful than the acid-base buffer and the respiratory center mechanisms in controlling blood pH.

Accepted Answer

A) True 
 B)False

Question 19

What are the walls of a ureter composed of?

Accepted Answer

A)   skeletal muscle and mucous membrane
B)   mucous membrane and fibrous connective tissue
C)   mucous membrane, smooth muscle, and fibrous connective tissue
D)   skeletal muscle, fibrous connective tissue, and cartilage
E)   fibrous connective tissue, cartilage, and mucous membraneF) A) and B)
G) None of the above

Question 20

Parts of the nephron are lined with epithelial cells containing large numbers of mitochondria to assist in diffusion.

Accepted Answer

A) True 
 B)False

Exam 10: Urinary System

Which of the following particles are not filtered out of the blood in the glomerulus?

Correct AnswerverifiedA

How are excretion and defecation alike?

Correct AnswerverifiedShow Answer

Which of the following is not part of a nephron?

Correct AnswerverifiedShow Answer

The urethra is controlled by two sphincters, one composed of smooth muscle and one composed of skeletal muscle.

Correct AnswerverifiedShow Answer

Which substance is removed from the blood during tubular secretion?

Correct AnswerverifiedShow Answer

What effect does cellular respiration have on the pH of the blood?

Correct AnswerverifiedC

How is penicillin removed from the blood?

Correct AnswerverifiedShow Answer

The kidneys interact with every other organ system of the human body in maintaining homeostasis.

Correct AnswerverifiedShow Answer

What are the two ways substances are removed from the blood and added to the forming urine?

Correct AnswerverifiedShow Answer

Which part of the nephron contains podocytes?

Correct AnswerverifiedShow Answer

How many openings (inputs and outputs) are there in the urinary bladder?

Correct AnswerverifiedShow Answer

Which of the following is not a metabolic waste product?

Correct AnswerverifiedShow Answer

The urethra in females is much longer than in males.

Correct AnswerverifiedShow Answer

Why do water and small molecules move from the glomerulus into the filtrate?

Correct AnswerverifiedShow Answer

What effect does ANH have on renin?

Correct AnswerverifiedA

Explain the three steps involved in urine formation.

Correct Answerverified1. Glomerular filtration: water, salts, ...View AnswerShow Answer

Each nephron has its own collecting duct.

Correct AnswerverifiedShow Answer

The kidneys are much more powerful than the acid-base buffer and the respiratory center mechanisms in controlling blood pH.

Correct AnswerverifiedShow Answer

What are the walls of a ureter composed of?

Correct AnswerverifiedShow Answer

Parts of the nephron are lined with epithelial cells containing large numbers of mitochondria to assist in diffusion.

Correct AnswerverifiedShow Answer

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1. Glomerular filtration: water, salts, ...
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