Question 1

The triangular area on the internal floor of the urinary bladder is the ________.

Accepted Answer

The answer of The triangular area on the internal floor...

Question 2

ADH increases reabsorption of water from urine into blood by increasing the permeability of the distal convoluted tubules and collecting ducts.

Accepted Answer

A) True 
 B)False

Question 3

The micturition reflex center is in the

Accepted Answer

A) sacral segments of the spinal cord. 
B) medulla oblongata. 
C) pons. 
D) hypothalamus. 
A) sacral segments of the spinal cord. 
B) medulla oblongata. 
C) pons. 
D) hypothalamus.

Question 4

Which of the following is not part of the male urethra?

Accepted Answer

A) Prostatic urethra 
B) Membranous urethra 
C) Penile urethra 
D) Ductus deferens 
A) Prostatic urethra 
B) Membranous urethra 
C) Penile urethra 
D) Ductus deferens

Question 5

Inulin clearance measures the rate of glomerular filtration.

Accepted Answer

A) True 
 B)False

Question 6

The reabsorption of glucose occurs primarily through the walls of the

Accepted Answer

A) glomerular capsule. 
B) nephron loop. 
C) proximal convoluted tubule. 
D) distal convoluted tubule. 
A) glomerular capsule. 
B) nephron loop. 
C) proximal convoluted tubule. 
D) distal convoluted tubule.

Question 7

The urinary bladder is superior to the parietal peritoneum.

Accepted Answer

A) True 
 B)False

Question 8

The glomerular filtrate in the proximal convoluted tubule is isotonic to the plasma of the peritubular capillary.

Accepted Answer

A) True 
 B)False

Question 9

Water channels in cell membranes formed by ________ are a result of ADH signaling in the kidneys.

Accepted Answer

A) podocytes 
B) cytopores 
C) aquaporins 
D) pyrogens 
A) podocytes 
B) cytopores 
C) aquaporins 
D) pyrogens

Question 10

Glomerular filtration produces about 18 liters of fluid in twenty-four hours.

Accepted Answer

A) True 
 B)False

Question 11

Inulin and para-aminohippuric acid (PAH)can be used to determine glomerular filtration rate and the rate of blood flow through the kidneys, respectively.

Accepted Answer

A) True 
 B)False

Question 12

The countercurrent mechanism in the nephron

Accepted Answer

A) creates a highly concentrated interstitial fluid so that urine can be concentrated by the collecting ducts when they are permeable to water. 
B) is a method to move sodium to control its concentration. 
C) keeps the volume of water lost in the urine relatively constant. 
D) keeps interstitial fluid hydrated to maintain blood pressure. 
A) creates a highly concentrated interstitial fluid so that urine can be concentrated by the collecting ducts when they are permeable to water. 
B) is a method to move sodium to control its concentration. 
C) keeps the volume of water lost in the urine relatively constant. 
D) keeps interstitial fluid hydrated to maintain blood pressure.

Question 13

A decrease in the glomerular capsule hydrostatic pressure will ________ the rate of glomerular filtration.

Accepted Answer

A) increase 
B) decrease 
C) not change 
D) have a variable effect on 
A) increase 
B) decrease 
C) not change 
D) have a variable effect on

Question 14

The renal medulla is composed of ________, whereas the renal cortex is composed of ________.

Accepted Answer

A) renal pyramids; ureters from nephrons 
B) renal columns; renal pyramids and nephrons 
C) renal corpuscles; nephron loops 
D) renal pyramids; renal corpuscles 
A) renal pyramids; ureters from nephrons 
B) renal columns; renal pyramids and nephrons 
C) renal corpuscles; nephron loops 
D) renal pyramids; renal corpuscles

Question 15

The composition of glomerular filtrate differs from that of plasma by including

Accepted Answer

A) many different substances that are absent from plasma. 
B) the same substances as plasma except for larger protein molecules. 
C) less water and electrolytes than does plasma. 
D) much more uric acid and creatinine than plasma. 
A) many different substances that are absent from plasma. 
B) the same substances as plasma except for larger protein molecules. 
C) less water and electrolytes than does plasma. 
D) much more uric acid and creatinine than plasma.

Question 16

A fetus develops without macula densa in its nephrons. Which of the following will occur as a result?

Accepted Answer

A) The ability to detect sodium, potassium, and chloride ions in the nephron loop and secrete renin in response will be lost. 
B) Renin secretion in response to renal baroreceptors during low blood pressure conditions cannot occur. 
C) Fluid cannot pass from the glomerular capillaries into the Bowman's capsule, so blood cannot be filtered. 
D) Renin will be able to convert angiotensinogen into angiotensin I, but angiotensin I cannot be converted into angiotensin II. 
A) The ability to detect sodium, potassium, and chloride ions in the nephron loop and secrete renin in response will be lost. 
B) Renin secretion in response to renal baroreceptors during low blood pressure conditions cannot occur. 
C) Fluid cannot pass from the glomerular capillaries into the Bowman's capsule, so blood cannot be filtered. 
D) Renin will be able to convert angiotensinogen into angiotensin I, but angiotensin I cannot be converted into angiotensin II.

Question 17

Proteins of smaller molecular size may be reabsorbed from the glomerular filtrate by the process of ________.

Accepted Answer

The answer of Proteins of smaller molecular size may be...

Question 18

Which of the following is correct concerning the location of the kidneys?

Accepted Answer

A) The right kidney is usually higher than the left one. 
B) They are located behind the parietal peritoneum. 
C) Their upper borders are about at the level of the third lumbar vertebra. 
D) They are against the anterior wall of the abdominal cavity. 
A) The right kidney is usually higher than the left one. 
B) They are located behind the parietal peritoneum. 
C) Their upper borders are about at the level of the third lumbar vertebra. 
D) They are against the anterior wall of the abdominal cavity.

Question 19

Glomerular filtration produces about ________ liters of fluid in twenty-four hours.

Accepted Answer

A) 40 
B) 96 
C) 144 
D) 180 
A) 40 
B) 96 
C) 144 
D) 180

Question 20

A ________ is a tubular organ that transports urine from a kidney to the urinary bladder.

Accepted Answer

The answer of A ________ is a tubular organ that...

Exam 20: Urinary System

The triangular area on the internal floor of the urinary bladder is the ________.

ADH increases reabsorption of water from urine into blood by increasing the permeability of the distal convoluted tubules and collecting ducts.

The micturition reflex center is in the

Which of the following is not part of the male urethra?

Inulin clearance measures the rate of glomerular filtration.

The reabsorption of glucose occurs primarily through the walls of the

The urinary bladder is superior to the parietal peritoneum.

The glomerular filtrate in the proximal convoluted tubule is isotonic to the plasma of the peritubular capillary.

Water channels in cell membranes formed by ________ are a result of ADH signaling in the kidneys.

Glomerular filtration produces about 18 liters of fluid in twenty-four hours.

Inulin and para-aminohippuric acid (PAH)can be used to determine glomerular filtration rate and the rate of blood flow through the kidneys, respectively.

The countercurrent mechanism in the nephron

A decrease in the glomerular capsule hydrostatic pressure will ________ the rate of glomerular filtration.

The renal medulla is composed of ________, whereas the renal cortex is composed of ________.

The composition of glomerular filtrate differs from that of plasma by including

A fetus develops without macula densa in its nephrons. Which of the following will occur as a result?

Proteins of smaller molecular size may be reabsorbed from the glomerular filtrate by the process of ________.

Which of the following is correct concerning the location of the kidneys?

Glomerular filtration produces about ________ liters of fluid in twenty-four hours.

A ________ is a tubular organ that transports urine from a kidney to the urinary bladder.

Introduction to Human Anatomy and Physiology

Chemical Basis of Life

Cells

Cellular Metabolism

Tissues

Integumentary System

Skeletal System

Joints of the Skeletal System

Muscular System

Nervous System I: Basic Structure and Function

Nervous System II: Divisions of the Nervous System

Nervous System III: Senses

Endocrine System

Blood

Cardiovascular System

Lymphatic System and Immunity

Digestive System

Nutrition and Metabolism

Respiratory System

Water, Electrolyte, and Acid-Base Balance

Reproductive Systems

Pregnancy, Growth, and Development

Genetics and Genomics

Filters

The renal medulla is composed of , whereas the renal cortex is composed of .