Question 1

The ________ mechanism is the general tendency of vascular smooth muscle to contract when stretched.

Accepted Answer

The answer of The ________ mechanism is the general tendency...

Question 2

Which of the following is not true regarding tubular reabsorption?

Accepted Answer

A)  It involves hormonal signals in the collecting ducts. 
B)  It is a purely passive transport process. 
C)  It is a reclamation process. 
D)  It occurs via transcellular or paracellular routes. 
A)  It involves hormonal signals in the collecting ducts. 
B)  It is a purely passive transport process. 
C)  It is a reclamation process. 
D)  It occurs via transcellular or paracellular routes.

Question 3

Match the following:
-Collecting duct.

Accepted Answer

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

Question 4

Figure 25.2
Using Figure 25.2, match the following:
-Proximal convoluted tubule cells.

Accepted Answer

A) E 
B) C 
C) D 
D) B 
E) A 
A) E 
B) C 
C) D 
D) B 
E) A

Question 5

In the ascending limb of the nephron loop the ________.

Accepted Answer

A)  thick segment moves ions out into interstitial spaces for reabsorption 
B)  thin segment is freely permeable to water 
C)  thin segment is not permeable to sodium and chloride 
D)  thick segment is permeable to water 
A)  thick segment moves ions out into interstitial spaces for reabsorption 
B)  thin segment is freely permeable to water 
C)  thin segment is not permeable to sodium and chloride 
D)  thick segment is permeable to water

Question 6

Which of the following does not describe the justaglomerular complex?

Accepted Answer

A)  Its granular cells produce rennin. 
B)  Its macula densa cells produce aldosterone. 
C)  It helps control systemic blood pressure. 
D)  It regulates the rate of filtrate formation. 
A)  Its granular cells produce rennin. 
B)  Its macula densa cells produce aldosterone. 
C)  It helps control systemic blood pressure. 
D)  It regulates the rate of filtrate formation.

Question 7

If the diameter of the efferent arterioles leading away from the glomerulus decrease (vasoconstriction)which of the following is not likely to occur?

Accepted Answer

A)  Urine output will increase. 
B)  Systemic blood pressure will go up. 
C)  Glomerular filtration rate will increase. 
D)  Net filtration pressure will increase. 
A)  Urine output will increase. 
B)  Systemic blood pressure will go up. 
C)  Glomerular filtration rate will increase. 
D)  Net filtration pressure will increase.

Question 8

Figure 25.2
Using Figure 25.2, match the following:
-Cells that reabsorb virtually all the nutrients.

Accepted Answer

A) E 
B) C 
C) D 
D) B 
E) A 
A) E 
B) C 
C) D 
D) B 
E) A

Question 9

The function of angiotensin II is to ________.

Accepted Answer

A)  decrease the production of aldosterone 
B)  decrease water absorption 
C)  constrict arterioles and increase blood pressure 
D)  decrease arterial blood pressure 
A)  decrease the production of aldosterone 
B)  decrease water absorption 
C)  constrict arterioles and increase blood pressure 
D)  decrease arterial blood pressure

Question 10

Match the following:
-Fenestrated vessels that allow passage of all plasma elements but not blood cells.

Accepted Answer

A) Glomerular capillaries 
B) Vasa recta 
C) Afferent arterioles 
D) Peritubular capillaries 
E) Efferent arterioles 
A) Glomerular capillaries 
B) Vasa recta 
C) Afferent arterioles 
D) Peritubular capillaries 
E) Efferent arterioles

Question 11

Eleven-year-old Harry is complaining of a severe sore throat and gets to stay home from school.His pediatrician prescribes a course of broad-spectrum antibiotics,and Harry feels much better within a few days.However,some two weeks later,Harry has a dull,bilateral pain in his lower back and his urine is a smoky brown color.On the basis of Harry's signs and symptoms,diagnose his condition and indicate the relationship (if any)between his present condition and his earlier sore throat.

Accepted Answer

Harry is showing the symptoms of kidney

Question 12

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

Accepted Answer

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

Question 13

Figure 25.2
Using Figure 25.2, match the following:
-Cells that are most affected by ADH.

Accepted Answer

A) E 
B) C 
C) D 
D) B 
E) A 
A) E 
B) C 
C) D 
D) B 
E) A

Question 14

Figure 25.2
Using Figure 25.2, match the following:
-Almost no water is absorbed in these cells.

Accepted Answer

A) E 
B) C 
C) D 
D) B 
E) A 
A) E 
B) C 
C) D 
D) B 
E) A

Question 15

Figure 25.2
Using Figure 25.2, match the following:
-Is composed of simple squamous epithelium.

Accepted Answer

A) E 
B) C 
C) D 
D) B 
E) A 
A) E 
B) C 
C) D 
D) B 
E) A

Question 16

The path urine takes after it is formed until it leaves the body is the urethra,urinary bladder,and finally the ureter.

Accepted Answer

A) True 
 B)False

Question 17

Match the following:
-High pressure vessel that forces fluid and solutes into the glomerular capsule.

Accepted Answer

A) Glomerular capillaries 
B) Vasa recta 
C) Afferent arterioles 
D) Peritubular capillaries 
E) Efferent arterioles 
A) Glomerular capillaries 
B) Vasa recta 
C) Afferent arterioles 
D) Peritubular capillaries 
E) Efferent arterioles

Question 18

Which of the following is not a part of the juxtaglomerular complex?

Accepted Answer

A)  macula densa 
B)  granular cells 
C)  podocyte cells 
D)  mesangial cells 
A)  macula densa 
B)  granular cells 
C)  podocyte cells 
D)  mesangial cells

Question 19

What would happen if the capsular hydrostatic pressure were increased above normal?

Accepted Answer

A)  Capsular osmotic pressure would compensate so that filtration would not change. 
B)  Net filtration would decrease. 
C)  Net filtration would increase above normal. 
D)  Filtration would increase in proportion to the increase in capsular pressure. 
A)  Capsular osmotic pressure would compensate so that filtration would not change. 
B)  Net filtration would decrease. 
C)  Net filtration would increase above normal. 
D)  Filtration would increase in proportion to the increase in capsular pressure.

Question 20

Hydrostatic pressure is the primary driving force of plasma through the filtration membrane into the capsular space.All but one of the following statements reflects why hydrostatic pressure is so high in the glomerular capillaries.Select the one statement that does not explain the high pressure within the glomerular capillaries.

Accepted Answer

A)  The diameter of the efferent arteriole is smaller than the afferent arteriole. 
B)  The volume of plasma in the efferent arteriole is higher when compared to the afferent arteriole. 
C)  The efferent arteriole has higher resistance to blood flow than the afferent arteriole. 
D)  The flow of blood is reduces as blood reaches the efferent arteriole. 
A)  The diameter of the efferent arteriole is smaller than the afferent arteriole. 
B)  The volume of plasma in the efferent arteriole is higher when compared to the afferent arteriole. 
C)  The efferent arteriole has higher resistance to blood flow than the afferent arteriole. 
D)  The flow of blood is reduces as blood reaches the efferent arteriole.

Exam 25: The Urinary System

The ________ mechanism is the general tendency of vascular smooth muscle to contract when stretched.

Which of the following is not true regarding tubular reabsorption?

Match the following: -Collecting duct.

Figure 25.2 Using Figure 25.2, match the following: -Proximal convoluted tubule cells.

In the ascending limb of the nephron loop the ________.

Which of the following does not describe the justaglomerular complex?

If the diameter of the efferent arterioles leading away from the glomerulus decrease (vasoconstriction)which of the following is not likely to occur?

Figure 25.2 Using Figure 25.2, match the following: -Cells that reabsorb virtually all the nutrients.

The function of angiotensin II is to ________.

Match the following: -Fenestrated vessels that allow passage of all plasma elements but not blood cells.

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

Figure 25.2 Using Figure 25.2, match the following: -Cells that are most affected by ADH.

Figure 25.2 Using Figure 25.2, match the following: -Almost no water is absorbed in these cells.

Figure 25.2 Using Figure 25.2, match the following: -Is composed of simple squamous epithelium.

The path urine takes after it is formed until it leaves the body is the urethra,urinary bladder,and finally the ureter.

Match the following: -High pressure vessel that forces fluid and solutes into the glomerular capsule.

Which of the following is not a part of the juxtaglomerular complex?

What would happen if the capsular hydrostatic pressure were increased above normal?

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 Special Senses

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

Pregnancy and Human Development

Heredity

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