Lecture 28 Urinary System Flashcards
Where in the ureter are kidney stones most likely to be found?
How are the kidneys protected insided of the abdominal wall?
Identify
Identify
Describe the circulation of the kidney.
Identify.
Identify
Which of the following is not a function of the kidneys?
a. participation in the formation of the active form of vitamin D
b. regulation of the volume and composition of the blood
c. removal of wastes from the blood in the form of urine
d. production of white blood cells
e. regulation of blood pressure
d. production of white blood cells
Which of the following vessels split from the efferent arterioles?
a. glomerular capillaries
b. peritubular capillaries
c. afferent arterioles
d. vasa recta
e. Both b and d are correct.
e. Both b and d are correct.
Urine leaving the distal convoluted tubule passes through various structures in which of the following sequences?
a. collecting duct → renal hilus → calyx → ureter
b. collecting duct → calyx → renal pelvis → ureter
c. calyx → collecting duct → renal pelvis → ureter
d. calyx → renal hilus → renal pelvis → ureter
e. collecting duct → renal hilus → ureter → calyx
b. collecting duct → calyx → renal pelvis → ureter
The trigone, a landmark in the urinary bladder, is a triangular area bounded by:
a. the orifices of the ejaculatory ducts and the urethra.
b. the internal urethral orifice and the inferior border of the detrusor muscle.
c. the ureteral and the internal urethral orifices.
d. the top of the fundus and the ureteral orifices.
e. the major and minor calyces.
c. the ureteral and the internal urethral orifices.
Fluid that filters into the glomerular capsule flows next into the:
a. glomerulus.
b. efferent arteriole.
c. proximal convoluted tubule.
d. distal convoluted tubule.
e. nephron loop.
c. proximal convoluted tubule.
The macula densa is located:
a. between the glomerular capillaries and the glomerular capsule.
b. between the renal papilla and the minor calyx.
c. where the afferent arteriole branches from the interlobular artery.
d. where the ascending limb of the nephron loop makes contact
with the afferent arteriole.
e. at the bottom of the nephron loop.
d. where the ascending limb of the nephron loop makes contact
The detrusor muscle is:
a. the middle layer of the wall of the urinary bladder.
b. the muscle that controls the flow of urine from the renal pelvis into the ureter.
c. another name for the muscularis of the ureter.
d. a modification of the urogenital diaphragm muscle.
e. Both a and d are correct.
a. the middle layer of the wall of the urinary bladder.
The apex of a renal pyramid, called the , points toward ___________ the interior of the kidney.
renal papilla
In the renal corpuscle, the ________ arteriole normally has a smaller diameter than the __________ arteriole.
efferent,
afferent
The special simple squamous epithelial cells that have many projections and that are found in the visceral layer of the glomerular capsule are called ____________ .
podocytes
The longest portion of the male urethra is the ___________ urethra.
spongy
Most nephrons are cortical nephrons, but 15–20 percent are ____________ nephrons.
juxtaglomerular
The _________ carry urine from the kidney to the urinary bladder.
ureters
- Place numbers in the blanks to arrange the following vessels in order.
(a) arcuate arteries:
(b) interlobular arteries:
(c) renal arteries:
(d) peritubular capillaries and vasa recta:
(e) glomerular capillaries:
(f ) efferent arteriole:
(g) afferent arteriole:
(h) interlobar arteries:
(i) segmental arteries:
(c) renal arteries
(i) segmental arteries
(h) interlobar arteries
(a) arcuate arteries
(b) interlobular arteries
(g) afferent arteriole
(e) glomerular capillaries
(f ) efferent arteriole
(a)4, (b)5, (c)1, (d)9, (e)7, (f )8, (g)6, (h)3, (i)2
- The juxtaglomerular apparatus is part of the endothelial–capsular (filtration) membrane. (T/F)
F (The endothelial cells of glomerular capillaries are part of the endothelial-capsular (filtration) membrane.)
