Question 1

figure 32.16 
-In figure 32.16 the authors looked for a correlation between which two variables?

Accepted Answer

A)  Mass and nasal cross section
B)  Mass and endothermy
C)  Being extinct and mass
D)  Endothermy and nasal cross section
E)  Presence of a turbinate and nasal cross sectionF) B) and C)
G) A) and C)

Question 2

The simplest nitrogenous waste product of protein breakdown is:

Accepted Answer

A)  Urea
B)  Ammonia
C)  Uric acid
D)  Nucleic acid
E)  AllatoninF) A) and C)
G) C) and E)

Question 3

An organism that alters its behavior to manage the gain of heat from or loss of heat to the environment is termed a(an) :

Accepted Answer

A)  Homotherm
B)  Endotherm
C)  Positherm
D)  Ectotherm
E)  ThermophileF) A) and B)
G) A) and C)

Question 4

Hyponatremia translates to low sodium in the blood.This is a concern for marathon runners who drink too much water,and can cause life-threatening pressure on the brain.Why would this occur?

Accepted Answer

A)  Neurons would take up the sodium from the blood and not be able to polarize
B)  Neurons would be stimulated to all fire at once
C)  Neurons would swell by osmosis
D)  Neurons die in low levels of sodium
E)  Neurons cannot give the kidneys signals to reabsorb sodium ionsF) A) and B)
G) A) and C)

Question 5

Alcohol reduces ADH secretion which in turn does which of the following?

Accepted Answer

A)  Decreases tubule permeability to water and thus increases urine volume
B)  Decreases tubule permeability to water and thus decreases urine volume
C)  Increases tubule permeability to water and thus increases urine volume
D)  Increases tubule permeability to water and thus decreases urine volumeE) All of the above
F) A) and D)

Question 6

Humans may decrease their body temperature in hot weather by:

Accepted Answer

A)  Blood vessels near the surface of the skin constricting and sweating
B)  Blood vessels near the surface of the skin dilating and sweating
C)  Sweating
D)  Blood vessels near the surface of the skin dilating
E)  Blood vessels near the surface of the skin constrictingF) A) and D)
G) B) and D)

Question 7

The control of an organism's body temperature is:

Accepted Answer

A)  Osmoregulation
B)  Photoregulation
C)  Chemoregulation
D)  Thermoregulation
E)  HomeostasisF) A) and D)
G) B) and C)

Question 8

The primary functional unit of a kidney is the nephron.

Accepted Answer

A) True 
 B)False

Question 9

One symptom of kidney failure can be the appearance of blood in the urine.This would indicate that which part of the kidney was damaged?

Accepted Answer

A)  Proximal convoluted tubule
B)  Distal convoluted tubule
C)  Glomerulus
D)  Nephron
E)  Collecting ductF) B) and D)
G) C) and D)

Question 10

When the concentration of solutes in fluid is higher outside the cell than inside:

Accepted Answer

A)  Water moves into the cell by osmosis
B)  Water moves into the cell by facilitated diffusion
C)  Water moves out of the cell by facilitated diffusion
D)  Water moves out of the cell by osmosis
E)  The cell will swell and possibly ruptureF) A) and B)
G) C) and E)

Question 11

Kidney stones are calcium-rich crystals that form inside the kidney and can be triggered by dehydration for which reason?

Accepted Answer

A)  Salt concentrations increase as blood volume increases
B)  Salt concentrations drop as blood volume drops
C)  Salt concentrations increase as blood volume drops
D)  Salt concentrations drop as blood volume increasesE) A) and B)
F) None of the above

Question 12

Birds are most closely related to reptiles leading the authors to conclude which of the following?

Accepted Answer

A)  That endothermy arose once before the split of mammals and reptiles
B)  That endothermy arose once and was then lost in reptiles
C)  That birds are actually more closely related to mammals than reptiles
D)  That endothermy is not a good way to measure the relationship between species
E)  That endothermy arose twice after the split of mammals and reptilesF) A) and E)
G) B) and C)

Question 13

The diffusion of water across a membrane that is permeable to water but not to ions and other charged solutes is:

Accepted Answer

A)  Facilitated diffusion
B)  Active transport
C)  Simple diffusion
D)  Osmosis
E)  PhagocytosisF) D) and E)
G) B) and D)

Question 14

If the renal tubule was damaged,which of the following would you observe?

Accepted Answer

A)  Increased red blood cells in the urine
B)  Increased volume of urine produced
C)  Increased glucose in the urine
D)  Increased salt in the urine
E)  Increased protein in the urineF) All of the above
G) A) and E)

Question 15

In animals,which of the following help retain body heat?

Accepted Answer

A)  Fat and feathers
B)  Feathers and fur
C)  Fur, fat, and feathers
D)  Fur and fat
E)  FurF) D) and E)
G) A) and D)

Question 16

The inner main section of the kidney is the:

Accepted Answer

A)  Renal periphery
B)  Renal cortex
C)  Glomerulus
D)  Collecting duct
E)  Renal medullaF) A) and B)
G) A) and C)

Question 17

A mammal:

Accepted Answer

A)  Is ectothermic and has a body temperature that fluctuates as the animal derives its heat from the environment
B)  Is endothermic and has a body temperature maintained by its own metabolism
C)  Is endothermic and has a body temperature that fluctuates as the animal derives its heat from the environment
D)  Is ectothermic and has a body temperature maintained by its own metabolismE) A) and B)
F) A) and C)

Question 18

The tube that connects the urinary bladder to the outside of the human body is the:

Accepted Answer

A)  Uvula
B)  Renal vein
C)  Nephron
D)  Urethra
E)  UreterF) B) and D)
G) A) and D)

Question 19

The functional unit of a kidney is a:

Accepted Answer

A)  Neuron
B)  Glomerulus
C)  Nephron
D)  Collecting duct
E)  NexusF) B) and C)
G) A) and E)

Question 20

Ammonia is toxic,and must be secreted as a dilute solution.Why do most fish secrete ammonia,but mammals do not?

Accepted Answer

A)  Fish do not have enough energy to convert ammonia to urea
B)  Mammals do not break proteins down forming ammonia
C)  Mammals do not secrete wastes in solution
D)  Fish do not have to worry about dehydrating
E)  Mammals can synthesize urea from ammonia without using any energyF) B) and D)
G) B) and C)

Exam 32: Regulation of Temperature and Body Fluids

One symptom of kidney failure can be the appearance of blood in the urine.This would indicate that which part of the kidney was damaged?

Correct AnswerverifiedShow Answer

Hyponatremia translates to low sodium in the blood.This is a concern for marathon runners who drink too much water,and can cause life-threatening pressure on the brain.Why would this occur?

Correct AnswerverifiedShow Answer

Birds are most closely related to reptiles leading the authors to conclude which of the following?

Correct AnswerverifiedShow Answer

Kidney stones are calcium-rich crystals that form inside the kidney and can be triggered by dehydration for which reason?

Correct AnswerverifiedShow Answer

In animals,which of the following help retain body heat?

Correct AnswerverifiedShow Answer

The control of an organism's body temperature is:

Correct AnswerverifiedShow Answer

The functional unit of a kidney is a:

Correct AnswerverifiedShow Answer

Humans may decrease their body temperature in hot weather by:

Correct AnswerverifiedShow Answer

The simplest nitrogenous waste product of protein breakdown is:

Correct AnswerverifiedShow Answer

The tube that connects the urinary bladder to the outside of the human body is the:

Correct AnswerverifiedShow Answer

The inner main section of the kidney is the:

Correct AnswerverifiedShow Answer

A mammal:

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If the renal tubule was damaged,which of the following would you observe?

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Ammonia is toxic,and must be secreted as a dilute solution.Why do most fish secrete ammonia,but mammals do not?

Correct AnswerverifiedShow Answer

An organism that alters its behavior to manage the gain of heat from or loss of heat to the environment is termed a(an) :

Correct AnswerverifiedShow Answer

The primary functional unit of a kidney is the nephron.

Correct AnswerverifiedShow Answer

Alcohol reduces ADH secretion which in turn does which of the following?

Correct AnswerverifiedShow Answer

figure 32.16 -In figure 32.16 the authors looked for a correlation between which two variables?

Correct AnswerverifiedShow Answer

When the concentration of solutes in fluid is higher outside the cell than inside:

Correct AnswerverifiedShow Answer

The diffusion of water across a membrane that is permeable to water but not to ions and other charged solutes is:

Correct AnswerverifiedShow Answer

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