Question 1

In many autoimmune diseases such as lupus and rheumatoid arthritis,antibody complexes form in the blood.Kidney failure is a common consequence of these diseases for which reason?

Accepted Answer

A)  Antibodies attack the kidney
B)  The distal convoluted tubule becomes clogged with the antibody complexes
C)  The amino acids from the antibody complexes overwhelm the kidneys capacity to filter blood
D)  The antibody complexes become trapped in the glomeruli
E)  Water cannot be reabsorbed from the collecting ductF) A) and B)
G) C) and E)

Question 2

The major excretory organ of the human urinary system is the:

Accepted Answer

A)  Gall bladder
B)  Pancreas
C)  Liver
D)  Adrenal gland
E)  KidneyF) All of the above
G) A) and C)

Question 3

The outer main section of the kidney is the:

Accepted Answer

A)  Renal periphery
B)  Renal medulla
C)  Renal cortex
D)  Glomerulus
E)  Collecting ductF) None of the above
G) A) and E)

Question 4

Fresh water is much more dilute than the cells of a fish,so the animal constantly takes in water at its gills.How would a freshwater fish osmoregulate?

Accepted Answer

A)  Produce dilute urine and use active transport at the gills to take up salt from the water
B)  Drink seawater and use active transport at the gills to get rid of excess salts
C)  Drink seawater and use active transport at the gills to take up salt from the water
D)  Produce dilute urine and use active transport at the gills to get rid of excess salt from the waterE) A) and D)
F) None of the above

Question 5

What is the function of a turbinate?

Accepted Answer

A)  To cool and dry inhaled air
B)  To warm and humidify inhaled air
C)  To provide insulation
D)  To aid in flight
E)  To increase the breathing rateF) D) and E)
G) A) and D)

Question 6

A reptile:

Accepted Answer

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

Question 7

Hibernating mammals accumulate large stores of brown fat containing many mitochondria.These mitochondria can burn the fat without generating ATP.What effect would burning fat without generating ATP have on the hibernating mammal?

Accepted Answer

A)  Lower body temperature
B)  Raise body temperature
C)  Raise blood volume
D)  Lower blood volumeE) A) and B)
F) A) and C)

Question 8

The major artery that delivers blood to the kidney is the:

Accepted Answer

A)  Brachial artery
B)  Radial artery
C)  Hepatic artery
D)  Renal artery
E)  Carotid arteryF) B) and C)
G) C) and E)

Question 9

When a mammal hibernates its body temperature can go from 37°C down to 4°C.Which of the following is true of a hibernating mammal?

Accepted Answer

A)  It remains endothermic
B)  It switches from ectothermic to endothermic
C)  It switches from endothermic to ectothermic
D)  It remains ectothermicE) A) and D)
F) A) and C)

Question 10

A penguin's feet are nearly as cold as ice,while the bird's core body temperature is much higher.Which of the following explains this observation?

Accepted Answer

A)  Countercurrent heat exchange between warm blood in arteries and cold blood in veins
B)  Countercurrent heat exchange between warm blood in veins and cold blood in arteries
C)  Blood supply to the legs is shut off by vasoconstriction
D)  There are no muscles in the feet of penguins to generate heat
E)  Heat cannot diffuse from the core of the body to the feet because the feet are too far awayF) A) and D)
G) C) and D)

Question 11

The process used to control the level of water and ions in body fluids is termed:

Accepted Answer

A)  Thermoregulation
B)  Mechanoregulation
C)  Chemoregulation
D)  Hemoregulation
E)  OsmoregulationF) A) and E)
G) B) and D)

Question 12

figure 32.16 
-What conclusion could the authors deduce about the origin of feathers from figure 32.16?

Accepted Answer

A)  That endothermy arose before feathers
B)  That ectothermy arose before feathers
C)  That endothermy arose after feathers
D)  That ectothermy arose after feathers
E)  That dinosaurs had feathersF) A) and D)
G) A) and C)

Question 13

Plasma proteins,blood cells,and platelets are filtered out of the blood stream at the glomerulus.

Accepted Answer

A) True 
 B)False

Question 14

The area of the nephron that directly receives fluid from the glomerulus is the:

Accepted Answer

A)  Renal pelvis
B)  Pacinian corpuscle
C)  Bowman's capsule
D)  Renal vein
E)  Renal arteryF) D) and E)
G) All of the above

Question 15

The primary functional unit of a kidney is the glomerulus.

Accepted Answer

A) True 
 B)False

Question 16

Humans may conserve or generate heat in cold weather by:

Accepted Answer

A)  Blood vessels near the surface of the skin constricting
B)  Blood vessels near the surface of the skin dilating and shivering
C)  Shivering
D)  Blood vessels near the surface of the skin dilating
E)  Blood vessels near the surface of the skin constricting and shiveringF) B) and C)
G) A) and E)

Question 17

Which nitrogenous waste produced by animals during metabolism is highly toxic and must be excreted as a dilute solution in a lot of water?

Accepted Answer

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

Question 18

Diuretics are commonly prescribed drugs for patients with hypertension because they:

Accepted Answer

A)  Decrease blood volume and increase blood pressure
B)  Increase blood volume and blood pressure
C)  Decrease blood volume and blood pressure
D)  Increase blood volume and decrease blood pressureE) B) and D)
F) All of the above

Question 19

figure 32.16 
-Based on figure 32.16,were the extinct ancestors to birds endotherms or ectotherms?

Accepted Answer

A)  Endotherms
B)  Ectotherms
C)  You cannot tell from the dataD) B) and C)
E) All of the above

Question 20

Cells often use ______________________ to move ions against their concentration gradient.

Accepted Answer

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

Exam 32: Regulation of Temperature and Body Fluids

figure 32.16 -What conclusion could the authors deduce about the origin of feathers from figure 32.16?

Correct AnswerverifiedShow Answer

The area of the nephron that directly receives fluid from the glomerulus is the:

Correct AnswerverifiedShow Answer

The process used to control the level of water and ions in body fluids is termed:

Correct AnswerverifiedShow Answer

The major artery that delivers blood to the kidney is the:

Correct AnswerverifiedShow Answer

What is the function of a turbinate?

Correct AnswerverifiedShow Answer

Diuretics are commonly prescribed drugs for patients with hypertension because they:

Correct AnswerverifiedShow Answer

A penguin's feet are nearly as cold as ice,while the bird's core body temperature is much higher.Which of the following explains this observation?

Correct AnswerverifiedShow Answer

figure 32.16 -Based on figure 32.16,were the extinct ancestors to birds endotherms or ectotherms?

Correct AnswerverifiedShow Answer

In many autoimmune diseases such as lupus and rheumatoid arthritis,antibody complexes form in the blood.Kidney failure is a common consequence of these diseases for which reason?

Correct AnswerverifiedShow Answer

The outer main section of the kidney is the:

Correct AnswerverifiedShow Answer

Humans may conserve or generate heat in cold weather by:

Correct AnswerverifiedShow Answer

The major excretory organ of the human urinary system is the:

Correct AnswerverifiedShow Answer

Cells often use ______________________ to move ions against their concentration gradient.

Correct AnswerverifiedShow Answer

Plasma proteins,blood cells,and platelets are filtered out of the blood stream at the glomerulus.

Correct AnswerverifiedShow Answer

When a mammal hibernates its body temperature can go from 37°C down to 4°C.Which of the following is true of a hibernating mammal?

Correct AnswerverifiedShow Answer

Fresh water is much more dilute than the cells of a fish,so the animal constantly takes in water at its gills.How would a freshwater fish osmoregulate?

Correct AnswerverifiedShow Answer

Which nitrogenous waste produced by animals during metabolism is highly toxic and must be excreted as a dilute solution in a lot of water?

Correct AnswerverifiedShow Answer

A reptile:

Correct AnswerverifiedShow Answer

The primary functional unit of a kidney is the glomerulus.

Correct AnswerverifiedShow Answer

Hibernating mammals accumulate large stores of brown fat containing many mitochondria.These mitochondria can burn the fat without generating ATP.What effect would burning fat without generating ATP have on the hibernating mammal?

Correct AnswerverifiedShow Answer

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