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Chapter 29 Quiz
Return to Animal Physiology 4e Student Resources
Chapter 29 Quiz
Quiz Content
*
not completed
.
What is the largest molecule that can pass through a nephron?
A molecule that has a molecular weight of 9.5 kilodaltons
correct
incorrect
A molecule that has a molecular weight of 12.5 kilodaltons
correct
incorrect
A molecule that has a molecular weight of 13.5 kilodaltons
correct
incorrect
A molecule that has a molecular weight of 14.5 kilodaltons
correct
incorrect
*
not completed
.
The colloid osmotic pressure is best defined as the
pressure generated by the contraction of skeletal muscles pushing on the blood vessels.
correct
incorrect
osmotic pressure exerted by plasma proteins in the blood vessels.
correct
incorrect
pressure generated by the contraction of smooth muscles around the blood vessels.
correct
incorrect
pressure difference between the osmotic pressure of the blood plasma and the osmotic pressure of the capsular fluid.
correct
incorrect
*
not completed
.
If the blood pressure in the glomerular capillary is +7 kPa, the colloid osmotic pressure is –3 kPa, and the capsular fluid hydrostatic pressure is –2 kPa, then the filtration pressure is _______ kPa.
1
correct
incorrect
2
correct
incorrect
3
correct
incorrect
8
correct
incorrect
*
not completed
.
If the filtration pressure is +8 kPa, the colloid osmotic pressure is –2 kPa, and the capsular fluid hydrostatic pressure is –1 kPa, then the pressure in the glomerular capillaries is _______ kPa.
2
correct
incorrect
3
correct
incorrect
5
correct
incorrect
11
correct
incorrect
*
not completed
.
Which of the following will
not
have an effect on the glomerular blood pressure?
Nervous system innervation of the smooth muscles that surround blood vessels
correct
incorrect
Endocrine system hormones acting on skeletal muscles
correct
incorrect
An increase in heart rate
correct
incorrect
A change in the diameter of the efferent blood vessel
correct
incorrect
*
not completed
.
In amphibians, sodium reabsorption begins in
the loop of Henle.
correct
incorrect
the proximal convoluted tubule.
correct
incorrect
Bowman's capsule.
correct
incorrect
the distal convoluted to tubule.
correct
incorrect
*
not completed
.
In amphibians, chloride reabsorption begins in
the proximal convoluted tubule.
correct
incorrect
Bowman's capsule.
correct
incorrect
the loop of Henle.
correct
incorrect
the distal convoluted to tubule.
correct
incorrect
*
not completed
.
Which substance(s) can be present in the proximal convoluted tubule in amphibians' nephrons?
Sodium
correct
incorrect
Amino acids
correct
incorrect
Sodium and chloride
correct
incorrect
Sodium, chloride, and amino acids
correct
incorrect
*
not completed
.
Which hormone controls water regulation in the kidney?
Cortisol
correct
incorrect
ADH
correct
incorrect
Oxytocin
correct
incorrect
Epinephrine
correct
incorrect
*
not completed
.
In amphibians, when ADH is released, the number of aquaporins in the bladder
increases.
correct
incorrect
decreases.
correct
incorrect
and the distal convoluted tubule increases.
correct
incorrect
and the distal convoluted tubule decreases.
correct
incorrect
*
not completed
.
Which sequence demonstrates the correct order of the structures of a mammalian nephron from blood to ureter?
Proximal convoluted tubule; Bowman's capsule; loop of Henle; distal convoluted tubule
correct
incorrect
Bowman's capsule; loop of Henle; distal convoluted tubule; proximal convoluted tubule
correct
incorrect
Bowman's capsule; proximal convoluted tubule; loop of Henle; distal convoluted tubule
correct
incorrect
Distal convoluted tubule; loop of Henle; Proximal convoluted tubule; Bowman's capsule
correct
incorrect
*
not completed
.
The macula densa in mammalian nephrons secrete
renin.
correct
incorrect
aldosterone.
correct
incorrect
ADH.
correct
incorrect
sodium.
correct
incorrect
*
not completed
.
The active transport of NaCl in the ascending limb of loop of Henle leads to
hyperosmotic fluid in the lumen.
correct
incorrect
hyperosmotic fluid in the interstitial region.
correct
incorrect
isosmotic fluid in the lumen.
correct
incorrect
hyposmotic fluid in the interstitial region.
correct
incorrect
*
not completed
.
Urea is reabsorbed in the collecting duct by
simple diffusion.
correct
incorrect
facilitated diffusion.
correct
incorrect
primary active transport.
correct
incorrect
secondary active transport.
correct
incorrect
*
not completed
.
The vasa recta are
cells in the collecting ducts.
correct
incorrect
substances released from the afferent arteriole.
correct
incorrect
blood capillaries around loop of Henle in mammals.
correct
incorrect
blood capillaries around the proximal convoluted tubules in mammals.
correct
incorrect
*
not completed
.
Some medications to treat hypertension act on the
sodium–potassium pumps.
correct
incorrect
sodium channels.
correct
incorrect
Na–K–2Cl cotransporter.
correct
incorrect
Na–Cl cotransporters.
correct
incorrect
*
not completed
.
In the mammalian proximal convoluted tubule, sodium reabsorption is coupled with
sodium.
correct
incorrect
glucose.
correct
incorrect
protons.
correct
incorrect
glucose and protons.
correct
incorrect
*
not completed
.
Which number corresponds to the lowest osmolarity?
I
correct
incorrect
II
correct
incorrect
III
correct
incorrect
IV
correct
incorrect
*
not completed
.
Which number signifies the area that will
not
reabsorb water?
I
correct
incorrect
II
correct
incorrect
III
correct
incorrect
IV
correct
incorrect
*
not completed
.
Which area shows the highest variation in osmolarily?
I
correct
incorrect
II
correct
incorrect
III
correct
incorrect
V
correct
incorrect
*
not completed
.
Which structure is usually
not
found in marine teleosts?
Distal convoluted tubule
correct
incorrect
Glomerular capsule
correct
incorrect
Proximal convoluted tubule
correct
incorrect
Loop of Henle
correct
incorrect
*
not completed
.
Which statement about marine teleosts is true?
Some species lack glomeruli.
correct
incorrect
They are hyperosmotic to seawater.
correct
incorrect
They have more nephrons compared to freshwater teleosts.
correct
incorrect
They live in a hyposmotic environment.
correct
incorrect
*
not completed
.
Insects have excretory tubules known as
Malpighian tubules.
correct
incorrect
nephridia.
correct
incorrect
loopless nephrons.
correct
incorrect
coelomosac.
correct
incorrect
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