WorksheetsIntroduction to the Urinary System
Total questions: 34
Worksheet time: 18mins
Name
Class
Date
1.
Which of the following is not a function of the urinary system?
a)
removal of waste products from the bloodstream
b)
storage and excretion of urine
c)
regulation of leukocyte and platelet production
d)
regulation of blood volume and, indirectly, blood pressure
2.
All of the following structures are components of the urinary system except
a)
kidney
b)
ureters
c)
urethra
d)
gallbladder
3.
Which sequence correctly traces the path of urine after it leaves the kidneys?
a)
ureters, urinary bladder, urethra
b)
urinary bladder, ureters, urethra
c)
urethra, urinary bladder, ureters
d)
urinary bladder, urethra, ureters
4.
The outer layer of the kidney, just internal to the fibrous capsule, is the renal
a)
medulla
b)
column
c)
pelvis
d)
cortex
5.
In a typical adult kidney, the renal ____________ is subdivided into 8 to 15 distinct conical or triangular structures known as renal ____________.
a)
cortex; papillae
b)
medulla; pyramids
c)
medulla; columns
d)
cortex; lobes
6.
Blood vessels, nerves, and the ureter connect to the kidney at a prominent medial indentation known as the
a)
hilum
b)
mediastinum
c)
renal sinus
d)
renal pelvis
7.
What is the functional filtration unit in the kidney?
a)
renal tubule
b)
renal corpuscle
c)
nephron
d)
glomerulus
8.
Components of a nephron include
a)
Only Bowman's capsule
b)
Only the proximal and distal convoluted tubules
c)
Only the loop of Henle
d)
Bowman's capsule, proximal convoluted tubule, loop of Henle, distal convoluted tubule
9.
What is found within Bowman's capsule?
a)
the loop of Henle
b)
the glomerulus
c)
the vesa recta
d)
the renal pelvis
10.
In various nephrons, ____________ form a network around the convoluted tubules; surrounding the nephron loop are capillaries called the ____________.
a)
vasa recta; peritubular capillaries
b)
peritubular capillaries; interlobular capillaries
c)
peritubular capillaries; vasa recta
d)
vasa recta; interlobular capillaries
11.
Which of the following animals would have the longest loop of Henle?
a)
a bear living in a temperate climate
b)
a fish in a cool water pond
c)
a snake in a warm den
d)
a rat in the middle of the desert
12.
Arrange the following to trace the path of filtrate through a renal tubule: (1) proximal convoluted tubule (2) distal convoluted tubule (3) ascending limb of nephron loop (4) descending limb of nephron loop
a)
1, 2, 3, 4
b)
2, 3, 4, 1
c)
1, 4, 3, 2
d)
3, 2, 1, 4
13.
The three interrelated processes of urine formation are
a)
filtration, secretion, and excretion
b)
secretion, reabsorption, and micturition
c)
excretion, storage, and micturition
d)
filtration, reabsorption, and secretion
14.
From which part of the renal tubule are 60-65% of the water and virtually all nutrients, electrolytes, and plasma proteins reabsorbed into the blood?
a)
proximal convoluted tubule
b)
distal convoluted tubule
c)
ascending limb of Henle loop
d)
descending limb of Henle loop
15.
Which of the following structures directly determines the passive flow of water out of the decending loop of Henle?
a)
proximal convoluted tubule
b)
ascending loop of Henle
c)
the distal convoluted tubule
d)
the collecting duct
16.
Each ureter originates at the renal ____________ as it exits the hilum of its respective kidney.
a)
sinus
b)
pelvis
c)
papilae
d)
pyramid
17.
The hollow, muscular organ that temporarily stores urine is the
a)
trigone
b)
detrusor
c)
urachus
d)
urinary bladder
18.
Which sequence correctly traces the flow of urine after it leaves the urinary bladder in a male?
a)
prostatic urethra, membranous urethra, spongy urethra
b)
membranous urethra, prostatic urethra, spongy urethra
c)
ureter, membranous urethra, prostatic urethra, spongy urethra
d)
renal pelvis, ureter, prostatic urethra, penile urethra
19.
________ is a hormone that primarily responsible for the reabsorption of water by the distal convoluted tubule as a result of the passive movement of sodium out of the tubule.
a)
ANH
b)
ADH
c)
Aldosterone
20.
Drinking alcohol causes diuresis because it inhibits the secretion of ________.
a)
ANH
b)
ADH
c)
Aldosterone
21.
Water cannot leave the ascending limb of the loop of the nephron because the limb is impermeable to water.
a)
True
b)
False
22.
Which of the following should not be a part of glomerular filtrate?
a)
sugar
b)
amino acids
c)
water
d)
red blood cells
23.
The filterable components of the blood that move across from the glomerulus are________.
a)
water, nitrogenous wastes, nutrients, and salts
b)
blood cells and platelets and proteins
c)
albumin, fats and other proteins
d)
mainly blood cells
24.
On the concave side of each kidney there is a depression where (the) ________ enter(s).
a)
renal artery
b)
ureter
c)
renal vein
d)
all of the above
25.
The ________ are muscular tubes that convey the urine from the kidneys to the bladder.
a)
urethras
b)
ureters
c)
urinary bladders
d)
nephrons
26.
The region of the nephron where filtrate is considered dilute is the
a)
proximal convoluted tubule
b)
descending loop of Henle
c)
ascending loop of Henle
d)
distal convoluted tubule
27.
Males have longer urethra than females.
a)
True
b)
False
28.
The _____________ of the bladder is a triangular area at the base of the bladder into whose corners fit the two ureters and the urethra.
a)
the prostatic limb
b)
the trigone
c)
the major calyx
d)
the papilla
29.
Which of the following should not be a component of glomerular filtrate?
a)
urea
b)
glucose
c)
blood
d)
electrolytes
30.
Sugar in your urine is an indication that you have to much sugar in your blood.
a)
True
b)
False
31.
Most of the reabsorption of materials in the filtrate occurs at the distal convoluted tubule.
a)
True
b)
False
32.
Water moves out of the collecting duct into the extracellular fluid because ADH (antidiuretic hormone) increases the permeability of the duct to water.
a)
True
b)
False
33.
Water diffuses out of the decending loop of Henle because the surrounding tissue is hypotonic to the fluid inside the loop.
a)
True
b)
False
34.
The salty environment of the renal pyramids is considered hypertonic.
a)
True
b)
False
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