Question 1

As the filtrate passes through the renal tubules,approximately what percentage is reabsorbed and returned to the circulation?

Accepted Answer

A) 1 
B) 38 
C) 63 
D) 74 
E) 99 
A) 1 
B) 38 
C) 63 
D) 74 
E) 99

Question 2

Under normal conditions, glomerular filtration depends on three main pressures. From the list below, what are these three main pressures?
	1) blood hydrostatic pressure 
	2) capsular hydrostatic pressure 
	3) capsular colloid osmotic pressure 
	4) blood colloid osmotic pressure 
	5) urinary bladder hydrostatic pressure

Accepted Answer

A)  1, 2, and 3 are correct. 
B)  2, 3, and 4 are correct. 
C)  3, 4, and 5 are correct. 
D)  1, 2, and 4 are correct. 
E)  2, 4, and 5 are correct. 
A)  1, 2, and 3 are correct. 
B)  2, 3, and 4 are correct. 
C)  3, 4, and 5 are correct. 
D)  1, 2, and 4 are correct. 
E)  2, 4, and 5 are correct.

Question 3

The renal veins drain into the

Accepted Answer

A) abdominal aorta. 
B) renal arteries. 
C) inferior vena cava. 
D) segmental arteries. 
E) peritubular capillaries. 
A) abdominal aorta. 
B) renal arteries. 
C) inferior vena cava. 
D) segmental arteries. 
E) peritubular capillaries.

Question 4

Eighty percent of nephrons in the human kidney are located in the ________ and have short nephron loops.

Accepted Answer

The answer of Eighty percent of nephrons in the human...

Question 5

The cells of the macula densa and the juxtaglomerular cells form the

Accepted Answer

A) renal corpuscle. 
B) filtration membrane. 
C) nephron loop (loop of Henle). 
D) juxtaglomerular complex. 
E) afferent arteriole. 
A) renal corpuscle. 
B) filtration membrane. 
C) nephron loop (loop of Henle). 
D) juxtaglomerular complex. 
E) afferent arteriole.

Question 6

Changes that occur in the urinary system with aging include all of the following,except

Accepted Answer

A) a decline in the number of functional nephrons. 
B) a reduction in the GFR (glomerular filtration rate). 
C) increased sensitivity to ADH. 
D) problems with the micturition reflex. 
E) loss of sphincter muscle tone. 
A) a decline in the number of functional nephrons. 
B) a reduction in the GFR (glomerular filtration rate). 
C) increased sensitivity to ADH. 
D) problems with the micturition reflex. 
E) loss of sphincter muscle tone.

Question 7

The process of ________ involves a carrier protein that can transport a molecule across the cell membrane down its concentration gradient.

Accepted Answer

facilitate

Question 8

The filtration of plasma takes place in the

Accepted Answer

A) nephron loop (loop of Henle). 
B) distal convoluted tubule. 
C) papillary duct. 
D) renal corpuscle. 
E) ureter. 
A) nephron loop (loop of Henle). 
B) distal convoluted tubule. 
C) papillary duct. 
D) renal corpuscle. 
E) ureter.

Question 9

Figure 26-2 The Nephron
Use Figure 26-2 to answer the following question:
-Which area is sensitive to aldosterone?

Accepted Answer

A) 2 
B) 1 
C) 4 
D) 3 
E) 5 
A) 2 
B) 1 
C) 4 
D) 3 
E) 5

Question 10

The ureters and urinary bladder are lined by ________ epithelium.

Accepted Answer

A) stratified squamous 
B) pseudostratified columnar 
C) simple cuboidal 
D) transitional 
E) simple columnar 
A) stratified squamous 
B) pseudostratified columnar 
C) simple cuboidal 
D) transitional 
E) simple columnar

Question 11

Insoluble deposits that form within the urinary tract from calcium salts,magnesium salts,or uric acid are called kidney stones or renal ________.

Accepted Answer

The answer of Insoluble deposits that form within the urinary...

Question 12

Which of the following descriptions best matches the term nephron loop (loop of Henle)?

Accepted Answer

A) relies on countercurrent multiplication 
B) creates high interstitial NaCl concentration 
C) enables production of hypertonic urine 
D) site of obligatory water reabsorption. 
E) All of the answers are correct. 
A) relies on countercurrent multiplication 
B) creates high interstitial NaCl concentration 
C) enables production of hypertonic urine 
D) site of obligatory water reabsorption. 
E) All of the answers are correct.

Question 13

Which of the following substances are not normally found in the filtrate?

Accepted Answer

A) chloride ions 
B) water 
C) protein 
D) urea 
E) glucose 
A) chloride ions 
B) water 
C) protein 
D) urea 
E) glucose

Question 14

Urine is eliminated through the

Accepted Answer

A) liver. 
B) urinary bladder. 
C) kidney. 
D) ureter. 
E) urethra. 
A) liver. 
B) urinary bladder. 
C) kidney. 
D) ureter. 
E) urethra.

Question 15

Figure 26-1 The Structure of the Kidney
Use Figure 26-1 to answer the following question:
-Identify the structure labeled "8."

Accepted Answer

A) renal pelvis 
B) minor calyx 
C) ureter 
D) major calyx 
E) renal column 
A) renal pelvis 
B) minor calyx 
C) ureter 
D) major calyx 
E) renal column

Question 16

The ________ is the plasma concentration at which a specific compound will begin appearing in the urine.

Accepted Answer

The answer of The ________ is the plasma concentration at...

Question 17

Substances secreted by the distal convoluted tubule include

Accepted Answer

A) hydrogen ions. 
B) penicillin. 
C) creatinine. 
D) potassium ions. 
E) All of the answers are correct. 
A) hydrogen ions. 
B) penicillin. 
C) creatinine. 
D) potassium ions. 
E) All of the answers are correct.

Question 18

The amount of filtrate produced by the kidneys each minute is called the ________.

Accepted Answer

GFR or glo

Question 19

A patient excretes a large volume of very dilute urine on a continuing basis.This is may be due to

Accepted Answer

A) excessive ADH secretion. 
B) absence of ADH. 
C) hematuric oliguria. 
D) overproduction of aldosterone. 
E) dilation of the afferent arterioles. 
A) excessive ADH secretion. 
B) absence of ADH. 
C) hematuric oliguria. 
D) overproduction of aldosterone. 
E) dilation of the afferent arterioles.

Question 20

List each organ of the urinary system and concisely describe its function.

Accepted Answer

Consisting of the kidneys,ureters,urinar

Exam 26: The Urinary System

As the filtrate passes through the renal tubules,approximately what percentage is reabsorbed and returned to the circulation?

The renal veins drain into the

Eighty percent of nephrons in the human kidney are located in the ________ and have short nephron loops.

The cells of the macula densa and the juxtaglomerular cells form the

Changes that occur in the urinary system with aging include all of the following,except

The process of ________ involves a carrier protein that can transport a molecule across the cell membrane down its concentration gradient.

The filtration of plasma takes place in the

Figure 26-2 The Nephron Use Figure 26-2 to answer the following question: -Which area is sensitive to aldosterone?

The ureters and urinary bladder are lined by ________ epithelium.

Insoluble deposits that form within the urinary tract from calcium salts,magnesium salts,or uric acid are called kidney stones or renal ________.

Which of the following descriptions best matches the term nephron loop (loop of Henle)?

Which of the following substances are not normally found in the filtrate?

Urine is eliminated through the

Figure 26-1 The Structure of the Kidney Use Figure 26-1 to answer the following question: -Identify the structure labeled "8."

The ________ is the plasma concentration at which a specific compound will begin appearing in the urine.

Substances secreted by the distal convoluted tubule include

The amount of filtrate produced by the kidneys each minute is called the ________.

A patient excretes a large volume of very dilute urine on a continuing basis.This is may be due to

List each organ of the urinary system and concisely describe its function.

An Introduction to Anatomy and Physiology

The Chemical Level of Organization

The Cellular Level of Organization

The Tissue Level of Organization

The Integumentary System

Osseous Tissue and Bone Structure

The Axial Skeleton

The Appendicular Skeleton

Articulations

Muscle Tissue

The Muscular System

Neural Tissue

The Spinal Cord, spinal Nerves, and Spinal Reflexes

The Brain and Cranial Nerves

Neural Integration I: Sensory Pathways and the Somatic Nervous System

Neural Integration Ii: the Autonomic Nervous System and

The Special Senses

The Endocrine System

Blood

The Heart

Blood Vessels and Circulation

The Lymphatic System and Immunity

The Respiratory System

The Digestive System

Metabolism and Energetics

Fluid, electrolyte, and Acid-Base Balance

The Reproductive System

Development and Inheritance

Filters