Question 1

What external covering protects the kidney from physical shock?

Accepted Answer

A)  renal pelvis
B)  renal capsule
C)  renal fascia
D)  adipose capsule

Question 2

What initiates the micturition reflex?

Accepted Answer

A)  The external urethral sphincter relaxes.
B)  The internal urethral sphincter relaxes.
C)  Parasympathetic efferent fibers stimulate the contraction of the detrusor muscle.
D)  Stretch receptors in the wall of the urinary bladder signal the sacral region of the spinal cord.

Question 3

Which of the following enhances obligatory water reabsorption?

Accepted Answer

A)  presence of aldosterone in the distal tubule
B)  ATP
C)  presence of high levels of glucose in the filtrate
D)  aquaporins

Question 4

The process of filtration occurs in the:

Accepted Answer

A)  collecting duct.
B)  distal tubule.
C)  proximal tubule.
D)  renal corpuscle.

Question 5

What happens to glucose molecules if the carrier proteins for tubular reabsorption are saturated and have reached their transport maximum?

Accepted Answer

Any glucose molecules unable t...

Question 6

Since the thin descending limb of the nephron loop is permeable to water,and not very permeable to solutes,the concentration of the filtrate will increase as it reaches the bottom of the loop.

Accepted Answer

A) True 
 B)False

Question 7

Discuss how the mucosa of the ureters and urinary bladder are well suited to their functions.

Accepted Answer

The mucosa of both the ureters and the u...

Question 8

List the three layers of connective tissue covering the kidneys,from superficial to deep.

Accepted Answer

From superficial to deep,the l...

Question 9

What chemical is necessary for the transformation of angiotensin-I (A-I) into active angiotensin-II (A-II) ?

Accepted Answer

A)  angiotensinogen
B)  angiotensin-converting enzyme (AC
E)  
C)  renin
D)  atrial natriuretic peptide (ANP)

Question 10

Which vessel is present in the arterial pathway but missing from the venous pathway?

Accepted Answer

A)  interlobar
B)  arcuate
C)  interlobular (cortical radiate) 
D)  segmental

Question 11

The portion of the renal tubule through which filtrate initially flows is known as the:

Accepted Answer

A)  collecting duct.
B)  nephron loop (loop of Henle) .
C)  distal tubule.
D)  proximal tubule.

Question 12

Which hormones promote facultative water reabsorption?

Accepted Answer

A)  antidiuretic hormone (ADH) and atrial natriuretic peptide (ANP) 
B)  atrial natriuretic peptide (ANP) and parathyroid hormone
C)  aldosterone and atrial natriuretic peptide (ANP) 
D)  aldosterone and antidiuretic hormone (ADH)

Question 13

What is the normal value for the glomerular filtration rate (GFR) in mL/min?

Accepted Answer

A)  275
B)  125
C)  75
D)  500

Question 14

Mr.Jones recently started taking a medication called an ACE inhibitor.He called his doctor's office to ask why this medicine makes him light-headed and dizzy and learned these are symptoms related to low blood pressure.Explain to Mr.Jones why the ACE inhibitor would cause low blood pressure.

Accepted Answer

Angiotensin-converting enzyme (ACE)conve...

Question 15

The reabsorption of bicarbonate ions in the proximal tubule helps regulate:

Accepted Answer

A)  blood volume.
B)  blood pH.
C)  blood pressure.
D)  blood solute concentration of sodium ions.

Question 16

What are the three main regions of the kidney?

Accepted Answer

A)  renal pelvis,renal sinus,renal fascia
B)  renal sinus,renal medulla,renal cortex
C)  renal pelvis,renal medulla,renal cortex
D)  renal sinus,renal pelvis,renal cortex

Question 17

Which of the following is the capillary bed fed by the afferent arteriole and drained by the efferent arteriole?

Accepted Answer

A)  peritubular capillaries
B)  macula densa cells
C)  vasa recta
D)  glomerulus

Question 18

The function of the renin-angiotensin-aldosterone system (RAAS)is to decrease systemic blood pressure.

Accepted Answer

A) True 
 B)False

Question 19

The proximal tubule is lined with simple cuboidal epithelium and microvilli.

Accepted Answer

A) True 
 B)False

Question 20

The functional units of the kidneys are:

Accepted Answer

A)  renal sinuses.
B)  nephrons.
C)  renal pyramids.
D)  glomeruli.

Exam 24: The Urinary System

Which vessel is present in the arterial pathway but missing from the venous pathway?

Correct AnswerverifiedShow Answer

What external covering protects the kidney from physical shock?

Correct AnswerverifiedShow Answer

The portion of the renal tubule through which filtrate initially flows is known as the:

Correct AnswerverifiedShow Answer

The process of filtration occurs in the:

Correct AnswerverifiedShow Answer

Which hormones promote facultative water reabsorption?

Correct AnswerverifiedShow Answer

What happens to glucose molecules if the carrier proteins for tubular reabsorption are saturated and have reached their transport maximum?

Correct AnswerverifiedAny glucose molecules unable t...View AnswerShow Answer

The reabsorption of bicarbonate ions in the proximal tubule helps regulate:

Correct AnswerverifiedShow Answer

Since the thin descending limb of the nephron loop is permeable to water,and not very permeable to solutes,the concentration of the filtrate will increase as it reaches the bottom of the loop.

Correct AnswerverifiedShow Answer

The functional units of the kidneys are:

Correct AnswerverifiedShow Answer

What are the three main regions of the kidney?

Correct AnswerverifiedShow Answer

Discuss how the mucosa of the ureters and urinary bladder are well suited to their functions.

Correct AnswerverifiedThe mucosa of both the ureters and the u...View AnswerShow Answer

Which of the following is the capillary bed fed by the afferent arteriole and drained by the efferent arteriole?

Correct AnswerverifiedShow Answer

Which of the following enhances obligatory water reabsorption?

Correct AnswerverifiedShow Answer

List the three layers of connective tissue covering the kidneys,from superficial to deep.

Correct AnswerverifiedFrom superficial to deep,the l...View AnswerShow Answer

The proximal tubule is lined with simple cuboidal epithelium and microvilli.

Correct AnswerverifiedShow Answer

The function of the renin-angiotensin-aldosterone system (RAAS)is to decrease systemic blood pressure.

Correct AnswerverifiedShow Answer

What initiates the micturition reflex?

Correct AnswerverifiedShow Answer

What chemical is necessary for the transformation of angiotensin-I (A-I) into active angiotensin-II (A-II) ?

Correct AnswerverifiedShow Answer

What is the normal value for the glomerular filtration rate (GFR) in mL/min?

Correct AnswerverifiedShow Answer

Mr.Jones recently started taking a medication called an ACE inhibitor.He called his doctor's office to ask why this medicine makes him light-headed and dizzy and learned these are symptoms related to low blood pressure.Explain to Mr.Jones why the ACE inhibitor would cause low blood pressure.

Correct AnswerverifiedAngiotensin-converting enzyme (ACE)conve...View AnswerShow Answer

Correct Answer
verified

Correct Answer
verified

Correct Answer
verified

Correct Answer
verified

Correct Answer
verified

Correct Answer
verified
Any glucose molecules unable t...
View Answer

Correct Answer
verified

Correct Answer
verified

Correct Answer
verified

Correct Answer
verified

Correct Answer
verified
The mucosa of both the ureters and the u...
View Answer

Correct Answer
verified

Correct Answer
verified

Correct Answer
verified
From superficial to deep,the l...
View Answer

Correct Answer
verified

Correct Answer
verified

Correct Answer
verified

Correct Answer
verified

Correct Answer
verified

Correct Answer
verified
Angiotensin-converting enzyme (ACE)conve...
View Answer