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LECTURE EXAM 4 (URINARY)
Quiz Questions
34
Anatomy
Undergraduate 3
04/27/2014

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Term
The spongy urethra
Definition
all choices are correct.
Term
Put the portions of the male urethra in the correct order, from the urinary bladder to the exterior.

a: Spongy part
b: Urethral orifice
c: Prostatic part
d: Membranous part
Definition
c, d, a, b
Term
Where in the urinary tract is transitional epithelium found?
Definition
Ureters, urethra, and urinary bladder
Term
Blood is supplied to the urinary bladder by branches of the
Definition
internal iliac arteries.
Term
Blood vessels that make their way from the renal hilum to the renal cortex must travel through extensions of the cortex called
Definition
renal columns.
Term
Peritubular capillaries are associated with cortical nephrons, while vasa recta are associated with juxtamedullary nephrons.
Definition
True
Term
The arrangement of circular and longitudinal muscle fibers in the muscularis of the ureter is opposite to that found in the GI tract, where the circular layer is the inner layer.
Definition
True
Term
Which layer is not found in the wall of the ureter?
Definition
Submucosa
Term
The ureters
Definition
are fibromuscular tubes.
Term
Micturition
Definition
all choices are correct.
Term
What is the value of transitional epithelium in the urinary system?
Definition
It allows distension
Term
Which is not a function of the urinary system?
Definition
Regulation of lymphocyte production
Term
This figure shows a frontal section of the kidney. Which number indicates the renal pelvis?
Definition
8
Term
Which is not correct regarding the kidneys?
Definition
The indented medial surface of the kidney is called the renal papilla
Term
Which layer is not found in the wall of the urinary bladder?
Definition
No exceptions; all layers are found in the wall of the urinary bladder
Term
The first structure in the kidney to collect newly-formed urine is the
Definition
minor calyx.
Term
The pattern of venous drainage in the kidney differs from the arterial supply in that there are no arcuate or segmental veins.
Definition
False
Term
Which portion of the renal tubule is described as having simple cuboidal epithelium with only a sparse brush border of microvilli?
Definition
Distal convoluted tubule
Term
The external urethral sphincter
Definition
is controlled by the somatic nervous system.
Term
The parasympathetic innervation to the kidney has no known effect.
Definition
True
Term
The internal urethral sphincter is formed by skeletal muscle fibers of the urogenital diaphragm.
Definition
False
Term
Where are the renal pyramids located within the kidney?
Definition
Renal medulla
Term
Place the regions of the nephron in the correct order for the process of urine formation.

a: Capsular space of glomerulus
b: Nephron loop
c: Collecting duct
d: Distal convoluted tubule
e: Proximal convoluted tubule
Definition
a, e, b, d, c
Term
Which is not correct regarding nephrons?
Definition
The renal corpuscle may be located in the renal cortex or renal medulla
Term
Which gives the correct order for the structures through which newly formed urine is transported once it leaves the nephron?
Definition
Collecting tubule - collecting duct - papillary duct - minor calyx
Term
Each renal papilla empties into only one minor calyx.
Definition
True
Term
Sympathetic fibers inhibit micturition.
Definition
True
Term
Which is not correct regarding the juxtaglomerular apparatus?
Definition
The juxtaglomerular cells are modified smooth muscle cells of the efferent arteriole
Term
Which step(s) in the process of urine formation occur in the renal tubule?
Definition
Secretion and reabsorption
Term
Which is the correct sequence of arteries that a drop of blood would flow through as it entered the kidney and moved toward a glomerulus?
Definition
Renal artery - segmental artery - interlobar artery - arcuate artery - interlobular artery
Term
How does aldosterone affect urine formation?
Definition
Increases the reabsorption of sodium and water by the distal convoluted tubule
Term
Which is not one of the changes in the urinary system due to aging?
Definition
Gradual increase in kidney size due to fluid retention
Term
Which organ is not part of the urinary tract?
Definition
Kidney
Term
This figure shows a renal corpuscle. The two structures indicated by number 3 collectively form the
Definition
juxtaglomerular apparatus.
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