Urinary 4 Flashcards
Which is not a major function of the kidney?
a) regulation of blood ionic composition
b) regulation of blood cell size
c) regulation of blood volume
d) regulation of blood pressure
e) regulation of blood pH
Answer: b
This is the formation of a new glucose molecule.
a) glycolysis
b) gluconeogenesis
c) glucosamine
d) glucose
e) calcitriol
Answer: b
Which of the following is a waste product normally excreted by the kidneys?
a) urea
b) glucose
c) insulin
d) cholesterol
e) carbon dioxide
Answer: a
This is smooth dense irregular connective tissue that is continuous with the outer coat of the ureter.
a) adipose capsule
b) renal capsule
c) renal hilus
d) renal cortex
e) renal medulla
Answer: b
The portion of the kidney that extends between the renal pyramids is called the
a) renal columns
b) renal medulla
c) renal pelvis
d) calyces
e) renal papilla
Answer: a
6) Which is the correct order of blood flow through the kidneys?
a) renal artery > segmental artery > interlobular artery > peritubular capillaries > afferent arterioles
b) interlobar arteries > arcuate arteries > glomerular capillaries > arcuate veins
c) arcuate veins > arcuate arteries > glomerular capillaries > renal vein
d) renal vein > segmental arteries > interlobar arteries > efferent arterioles
e) interlobar veins > afferent arterioles > efferent arterioles > glomerular capillaries
Answer: b
7) Which is the correct order of filtrate flow?
a) glomerular capsule, proximal convoluted tubule (PCT), loop of Henle, distal convoluted tubule (DCT), collecting duct
b) loop of Henle, glomerular capsule, PCT, DCT, collecting duct
c) ascending limb of loop, PCT, DCT, collecting duct
d) collecting duct, DCT, PCT, collecting duct, glomerular capsule
e) PCT, glomerular capsule, DCT, collecting duct, loop of Henle
Answer: a
Which structure of the nephron reabsorbs the most substances?
a) glomerular capsule
b) loop of Henle
c) ascending limb
d) collecting duct
e) proximal convoluted tubule
Answer: e
This is the structure of the nephron that filters blood.
a) glomerular capsule
b) loop of Henle
c) ascending limb
d) collecting duct
e) renal corpuscle
Answer: a
This term means the return of substances into the blood stream from the filtrate.
a) reabsorption
b) filtration
c) secretion
d) excretion
e) none of these choices
Answer: a
This is a nephron process that results in a substance in blood entering the already formed filtrate.
a) reabsorption
b) filtration
c) secretion
d) excretion
e) none of these choices
Answer: c
This layer of filtration membrane is composed of collagen fibers and proteoglycans in a glycoprotein matrix.
a) glomerular endothelial cells
b) basal lamina
c) pedicels
d) filtration slits
e) slit membrane
Answer: b
This occurs when stretching triggers contraction of smooth muscle walls in afferent arterioles.
a) glomerular filtration rate
b) tubulomerular feedback
c) myogenic mechanism
d) renal autoregulation
e) capsular hydrostatic pressure
Answer: c
This occurs when a substance passes from the fluid in the tubular lumen through the apical membrane, across the cytosol, and then into the interstitial fluid.
a) paracellular reabsoprtion
b) transcellular reabsoprtion
c) apical reasborption
d) basolateral reabsorption
e) active transport
Answer: b
The proximal convoluted tubules reabsorb which percentage of filtered water?
a) 25%
b) 50%
c) 65%
d) 80%
e) 99%
Answer: c