The capillaries of the glomerulus differ from most other capillary networks in the body because they
A. carry only deoxygenated blood.
B. drain into an arteriole instead of a venule.
C. contain no endothelium.
D. absorb nutrients from the glomerular capsule.
E. secrete mucus.
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Question 2) Fluid contained within a minor calyx is called urine.
Indicate whether this statement is true or false.
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Question 3) 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
A. a, c, b, e, d
B. e, d, b, a, c
C. b, e, c, d, a
D. b, d, c, e, a
E. a, e, b, d, c
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Question 4) Granular cells synthesize and release the enzyme
A. angiotensinogen.
B. antidiuretic hormone.
C. renin.
D. calcitriol.
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Question 5) The juxtaglomerular apparatus is located
A. within the renal sinus.
B. in the renal papilla.
C. in the perinephric fat.
D. inside the tubular pole of the glomerulus.
E. near the vascular pole of the renal corpuscle.
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Question 6) Which type of distal cell within kidney tubules and collecting ducts are responsive to aldosterone and antidiuretic hormone?
A. Type A cells
B. Type B cells
C. Principal cells
D. Intercalated endocrine cells
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Question 7) The main parts of the juxtaglomerular apparatus are the
A. principal cells and macula densa.
B. granular cells and macula densa.
C. granular cells and intercalated cells.
D. intercalated cells and principal cells.
E. principal cells and granular cells.
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Question 8) Cortical nephrons have their corpuscles near the _________ edge of the cortex and are the ______ common type of nephron.
A.
deeper; more
B.
deeper; less
C.
peripheral; more
D.
peripheral; less
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Question 9) Which is not correct regarding nephrons?
A. The renal corpuscle includes the glomerulus and the glomerular capsule.
B. The renal tubule is composed of the proximal convoluted tubule, nephron loop, and distal convoluted tubule.
C. The nephron is the functional filtration unit in the kidney.
D. Eighty-five percent of nephrons are cortical nephrons.
E. The renal corpuscle may be located in the renal cortex or renal medulla.
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Question 10) Which class of nephron is crucially important in establishing a salt concentration gradient in the kidney so that urine concentration can be regulated?
A. Intercalated nephrons
B. Juxtamedullary nephrons
C. Adrenal nephrons
D. Cortical nephrons
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