Question 1

Explain how filtration works in the glomerular capillaries.

Accepted Answer

The glomerular capillaries are fenestrat

Question 2

Which of the choices below is not a glomerular filtration rate control method?

Accepted Answer

A)  renal autoregulation 
B)  neural regulation 
C)  electrolyte levels 
D)  hormonal regulation 
A)  renal autoregulation 
B)  neural regulation 
C)  electrolyte levels 
D)  hormonal regulation

Question 3

The chief force pushing water and solutes out of the blood across the filtration membrane is ________.

Accepted Answer

A)  the ionic electrochemical gradient 
B)  protein-regulated diffusion 
C)  glomerular hydrostatic pressure (glomerular blood pressure) 
D)  the size of the pores in the basement membrane of the capillaries 
A)  the ionic electrochemical gradient 
B)  protein-regulated diffusion 
C)  glomerular hydrostatic pressure (glomerular blood pressure) 
D)  the size of the pores in the basement membrane of the capillaries

Question 4

Match the following:
A) Glomerular capillaries
B) Peritubular capillaries
C) Efferent arterioles
D) Vasa recta
E) Afferent arterioles
-High pressure vessel that forces fluid and solutes into the glomerular capsule.

Accepted Answer

The answer of Match the following:
A) Glomerular capillaries
B) Peritubular capillaries
C)...

Question 5

The mechanism that establishes the medullary osmotic gradient depends most on the permeability properties of the ________.

Accepted Answer

A)  nephron loop 
B)  glomerular filtration membrane 
C)  collecting duct 
D)  distal convoluted tubule 
A)  nephron loop 
B)  glomerular filtration membrane 
C)  collecting duct 
D)  distal convoluted tubule

Question 6

The urethra contains an internal sphincter of smooth muscle.

Accepted Answer

A) True 
 B)False

Question 7

Which of the hormones below is responsible for facultative water reabsorption?

Accepted Answer

A)  ADH 
B)  thyroxine 
C)  aldosterone 
D)  atrial natriuretic peptide 
A)  ADH 
B)  thyroxine 
C)  aldosterone 
D)  atrial natriuretic peptide

Question 8

ADH activated water channels called ________ are essential for water reabsorption in the collecting duct.

Accepted Answer

The answer of ADH activated water channels called ________ are...

Question 9

Figure 24.2
Using Figure 24.2, match the following:
-Cells that are the most active in reabsorbing the filtrate.

Accepted Answer

The answer of   
Figure 24.2
Using Figure 24.2, match...

Question 10

If one says that the clearance value of glucose is zero, what does this mean?

Accepted Answer

A)  The glucose molecule is too large to be filtered out of the blood. 
B)  Most of the glucose is filtered out of the blood and is not reabsorbed in the convoluted tubules. 
C)  Normally all the glucose is reabsorbed. 
D)  The clearance value of glucose is relatively high in a healthy adult. 
A)  The glucose molecule is too large to be filtered out of the blood. 
B)  Most of the glucose is filtered out of the blood and is not reabsorbed in the convoluted tubules. 
C)  Normally all the glucose is reabsorbed. 
D)  The clearance value of glucose is relatively high in a healthy adult.

Question 11

The mechanism of water reabsorption by the renal tubules is ________.

Accepted Answer

A)  active transport 
B)  osmosis 
C)  filtration 
D)  cotransport with sodium ions 
A)  active transport 
B)  osmosis 
C)  filtration 
D)  cotransport with sodium ions

Question 12

The area between the ureters and urethra is called the ________ in a bladder.

Accepted Answer

The answer of The area between the ureters and urethra...

Question 13

What clinical effects would low blood pressure have on the kidneys of a burn patient?

Accepted Answer

This patient would have a much lower glo

Question 14

Explain how an angiotensin converting enzyme inhibitor (ACE inhibitor) such as captopril would be effective as an antihypertensive.

Accepted Answer

Angiotensin II is a potent vasoconstrict

Question 15

Match the following:
A) Site that drains the distal convoluted tubule
B) Blood supply that directly receives substances from the tubular cells.
C) Site at which most of the tubular reabsorption occurs
D) Site of filtrate formation.
-Glomerulus.

Accepted Answer

The answer of Match the following:
A) Site that drains the...

Question 16

Alcohol acts as a diuretic because it ________.

Accepted Answer

A)  is not reabsorbed by the tubule cells 
B)  increases the rate of glomerular filtration 
C)  increases secretion of ADH 
D)  inhibits the release of ADH 
A)  is not reabsorbed by the tubule cells 
B)  increases the rate of glomerular filtration 
C)  increases secretion of ADH 
D)  inhibits the release of ADH

Question 17

Angiotensin II is a substance made by the body to lower blood pressure during stress.

Accepted Answer

A) True 
 B)False

Question 18

Figure 24.1
Using Figure 24.1, match the following:
-Nephron loop.

Accepted Answer

The answer of   
Figure 24.1
Using Figure 24.1, match...

Question 19

Figure 24.1
Using Figure 24.1, match the following:
-Structure most closely associated with granular cells.

Accepted Answer

The answer of   
Figure 24.1
Using Figure 24.1, match...

Question 20

The entire responsibility for urine formation lies with the nephron.

Accepted Answer

A) True 
 B)False

Exam 24: The Urinary System

Explain how filtration works in the glomerular capillaries.

Which of the choices below is not a glomerular filtration rate control method?

The chief force pushing water and solutes out of the blood across the filtration membrane is ________.

Match the following: A) Glomerular capillaries B) Peritubular capillaries C) Efferent arterioles D) Vasa recta E) Afferent arterioles -High pressure vessel that forces fluid and solutes into the glomerular capsule.

The mechanism that establishes the medullary osmotic gradient depends most on the permeability properties of the ________.

The urethra contains an internal sphincter of smooth muscle.

Which of the hormones below is responsible for facultative water reabsorption?

ADH activated water channels called ________ are essential for water reabsorption in the collecting duct.

Figure 24.2 Using Figure 24.2, match the following: -Cells that are the most active in reabsorbing the filtrate.

If one says that the clearance value of glucose is zero, what does this mean?

The mechanism of water reabsorption by the renal tubules is ________.

The area between the ureters and urethra is called the ________ in a bladder.

What clinical effects would low blood pressure have on the kidneys of a burn patient?

Explain how an angiotensin converting enzyme inhibitor (ACE inhibitor) such as captopril would be effective as an antihypertensive.

Match the following: A) Site that drains the distal convoluted tubule B) Blood supply that directly receives substances from the tubular cells. C) Site at which most of the tubular reabsorption occurs D) Site of filtrate formation. -Glomerulus.

Alcohol acts as a diuretic because it ________.

Angiotensin II is a substance made by the body to lower blood pressure during stress.

Figure 24.1 Using Figure 24.1, match the following: -Nephron loop.

Figure 24.1 Using Figure 24.1, match the following: -Structure most closely associated with granular cells.

The entire responsibility for urine formation lies with the nephron.

The Human Body: an Orientation

Chemistry Comes Alive

Cells: the Living Units

Tissue: the Living Fabric

The Integumentary System

Bones and Skeletal Tissue

The Skeleton

Joints

Muscles and Muscle Tissue

The Muscular System

Fundamentals of the Nervous System and Nervous Tissue

The Central Nervous System

The Peripheral Nervous System and Reflex Activity

The Autonomic Nervous System

The Endocrine System

Blood

The Cardiovascular System: the Heart

The Cardiovascular System: Blood Vessels

The Lymphatic System and Lymphoid Organs and Tissues

The Immune System: Innate and Adaptive Body Defenses

The Respiratory System

The Digestive System

Nutrition, Metabolism, and Body Temperature Regulation

Fluid, Electrolyte, and Acid-Base Balance

The Reproductive System

Filters