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Chapter 27 Quiz
Return to Animal Physiology 4e Student Resources
Chapter 27 Quiz
Quiz Content
*
not completed
.
A blue crab must molt about ______ times over the course of its life.
20
correct
incorrect
25
correct
incorrect
30
correct
incorrect
35
correct
incorrect
*
not completed
.
Comparatively speaking, in what body compartment is water found in the lowest quantity?
Interstitial fluid
correct
incorrect
Extracellular fluid
correct
incorrect
Cytoplasm
correct
incorrect
Plasma
correct
incorrect
*
not completed
.
A person who has 42 kg in water weight will have a total body weight of _______ kg.
42
correct
incorrect
60
correct
incorrect
70
correct
incorrect
80
correct
incorrect
*
not completed
.
Typically, if the interstitial osmolarity is 400 m
Osm
, then blood osmolarity will be _______ m
Osm
.
200
correct
incorrect
300
correct
incorrect
400
correct
incorrect
600
correct
incorrect
*
not completed
.
If ambient osmotic pressure increases, and an animal's blood osmotic pressure increases at the same rate, the animal is a
regulator.
correct
incorrect
conformer.
correct
incorrect
migrator.
correct
incorrect
Insufficient information is provided to classify the animal.
correct
incorrect
*
not completed
.
If you conduct an experiment in which you submerge shrimp in an environment where the ambient osmotic pressure keeps increasing, the blood osmotic pressure of the shrimp will
increase.
correct
incorrect
decrease.
correct
incorrect
increase first and then decrease.
correct
incorrect
not change.
correct
incorrect
*
not completed
.
The matching of ionic concentration in the blood plasma to the ionic concentration of the external environment is known as
ionic conformity.
correct
incorrect
ionic regulation.
correct
incorrect
volume regulation.
correct
incorrect
volume conformity.
correct
incorrect
*
not completed
.
The salinity of freshwater is less than _______ g/kg.
2
correct
incorrect
1.5
correct
incorrect
1
correct
incorrect
0.5
correct
incorrect
*
not completed
.
As the difference in partial pressure increases across two solutions, the rate of evaporation
stays the same.
correct
incorrect
increases first slightly and then increases significantly.
correct
incorrect
decreases.
correct
incorrect
increases.
correct
incorrect
*
not completed
.
Consider two animals with different body temperatures: Animal A has a body temperature of 25°C and animal B has a body temperature of 30°C. Which of the two animals would exhale more water vapor?
Animal A, because cooler air holds more water vapor.
correct
incorrect
Animal B, because warmer air holds more water vapor.
correct
incorrect
Both animals would exhale the same amount of water vapor.
correct
incorrect
Animal B, because the air it inhales has more vapor pressure.
correct
incorrect
*
not completed
.
Refer to the formula below. With regard to terrestrial animals, the rate of evaporation,
J
, will increase if the proportionality factor,
K
,
J
=
K
W
V
P
s
−
W
V
P
a
X
increases.
correct
incorrect
decreases.
correct
incorrect
does not change in value.
correct
incorrect
There is no relationship between the distance of a solution from air and the rate of evaporation.
correct
incorrect
*
not completed
.
Assuming humidity is the only factor that affects evaporation, which animal will have the highest rate of dehydration?
A mammal in a hot desert with a core temperature of 37°C
correct
incorrect
A mammal in a cold desert with a core temperature of 35°C
correct
incorrect
A mammal in a hot desert with a core temperature of 40°C
correct
incorrect
Mammals have the same rate of evaporation regardless of core temperature.
correct
incorrect
*
not completed
.
When an animal loses water by evaporation, osmotic pressure in the blood
decreases.
correct
incorrect
does not change.
correct
incorrect
increases.
correct
incorrect
There is no correlation between evaporation and osmotic pressure.
correct
incorrect
*
not completed
.
Which organ plays the most important role in regulating blood composition?
Liver
correct
incorrect
Spleen
correct
incorrect
Small intestine
correct
incorrect
Kidneys
correct
incorrect
*
not completed
.
Urine that is hyperosmotic contains a
large amount of water.
correct
incorrect
normal amount of water.
correct
incorrect
small amount of water.
correct
incorrect
large amount of solutes and waste product.
correct
incorrect
*
not completed
.
An ionic U/P ratio that is less than 1 indicates that the urine
contains more sodium compared to the plasma.
correct
incorrect
contains less sodium compared to the plasma.
correct
incorrect
contains an equal amount of sodium relative to the plasma.
correct
incorrect
appears to contain more sodium compared to the plasma; however, the concentrations are equal.
correct
incorrect
*
not completed
.
The amount of water formed per 1 gram of carbohydrates metabolized is _______ g.
0.40
correct
incorrect
0.50
correct
incorrect
0.56
correct
incorrect
1.07
correct
incorrect
*
not completed
.
When blood cells are submerged in a hypotonic solution they will
expand.
correct
incorrect
decrease in volume.
correct
incorrect
maintain the same volume.
correct
incorrect
shrivel.
correct
incorrect
*
not completed
.
Which ion is the principal solute used to regulate cell-volume in mammals?
Sodium
correct
incorrect
Potassium
correct
incorrect
Calcium
correct
incorrect
Protons
correct
incorrect
*
not completed
.
Which compound does
not
tend to stabilize enzymes in cells?
Betaine
correct
incorrect
Trimethylamine oxide
correct
incorrect
Glycine
correct
incorrect
Urea
correct
incorrect
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