Question 1

An increase in the production of ADH affects the kidney tubules by

Accepted Answer

A)  inhibiting reabsorption of sodium ion in the collecting duct.
B)  decreasing the permeability of the glomerulus to water.
C)  causing the walls of the collecting duct to become more permeable to water.
D)  inhibiting the reabsorption of water in the glomerulus.E) C) and D)
F) A) and C)

Question 2

Select the incorrectly-matched vertebrate and its urine concentration relative to its blood.

Accepted Answer

A)  amphibians-isotonic
B)  desert mammals-strongly hypertonic
C)  marine mammals-strongly hypertonic
D)  marine reptiles-isotonicE) B) and C)
F) B) and D)

Question 3

Nearly two-thirds of every vertebrate's body is composed of __________.

Accepted Answer

A)  bones
B)  muscle
C)  carbon
D)  waterE) A) and B)
F) A) and C)

Question 4

One of the key factors in vertebrate colonization of many diverse environments is

Accepted Answer

A)  the flexibility provided by selective reabsorption of different solutes.
B)  not requiring a lot of water due to their closed systems.
C)  the ability to eat foods with lots of water.
D)  the ability to control water loss by controlling perspiration.E) B) and C)
F) All of the above

Question 5

According to the above figure, which letter corresponds to the area where water is absolutely not reabsorbed?

Accepted Answer

A)  A
B)  B
C)  C
D)  DE) A) and B)
F) A) and D)

Question 6

The regulatory systems of the animal body maintain a relatively stable internal condition through a process called ____________________.

Accepted Answer

A)  equilibrium
B)  absorption
C)  osmoreception
D)  homeostasisE) A) and D)
F) All of the above

Question 7

The organ that performs filtration of blood, reabsorption, and secretion in vertebrates is the _______.

Accepted Answer

A)  small intestine
B)  pancreas
C)  liver
D)  kidneyE) None of the above
F) All of the above

Question 8

What animal cannot make hypertonic urine?

Accepted Answer

A)  human
B)  dog
C)  blue jay
D)  American toadE) A) and B)
F) A) and C)

Question 9

Where are the receptors that respond to elevated blood osmolarity?

Accepted Answer

A)  in the hypothalamus
B)  in the heart
C)  in the adrenal medulla
D)  in the kidneysE) B) and D)
F) None of the above

Question 10

What animals could drink seawater and not get dehydrated?

Accepted Answer

A)  human
B)  garter snake
C)  sea gull
D)  freshwater perchE) B) and C)
F) A) and B)

Question 11

Substances NOT usually found in normal human urine are

Accepted Answer

A)  certain drugs.
B)  urea and uric acid.
C)  water molecules.
D)  glucose molecules.E) A) and C)
F) C) and D)

Question 12

The presence of a loop of Henle in nephrons is an evolutionary adaptation that enables mammals and birds to reabsorb water efficiently and produce a ____________ urine.

Accepted Answer

A)  hypertonic
B)  osmolar
C)  isotonic
D)  hypotonicE) None of the above
F) B) and D)

Question 13

Freshwater fish are _____ with respect to osmoregulation.

Accepted Answer

A)  hypertonic regulators
B)  isotonic conformers
C)  hypotonic regulators
D)  hypertonic conformersE) All of the above
F) None of the above

Question 14

Roger, who has Type I diabetes mellitus, forgot to take along his insulin on a fishing trip to a remote part of Alaska.It takes him three days to make it out of the wilderness to a hospital.What would be the most likely match to Roger's blood and urine profile once he reaches the hospital?

Accepted Answer

A)  A
B)  B
C)  C
D)  DE) None of the above
F) B) and D)

Question 15

Mike has just returned home from college for the summer and notices that his 8-year old Dalmation dog Patches is limping and has difficulty walking up and down stairs.When Mike takes Patches to the vet, the vet recommends that Mike put him on a low-purine diet.This dietary change will lessen the formation of painful precipitates of ___________ in Patches' joints.

Accepted Answer

A)  ammonia
B)  urea
C)  adenine and guanine
D)  uric acidE) B) and C)
F) A) and C)

Exam 50: Osmotic Regulation and the Urinary System

The organ that performs filtration of blood, reabsorption, and secretion in vertebrates is the _______.

Correct Answer
verified

Substances NOT usually found in normal human urine are

Correct Answer
verified

What animal cannot make hypertonic urine?

Correct Answer
verified

Nearly two-thirds of every vertebrate's body is composed of __________.

Correct Answer
verified

What animals could drink seawater and not get dehydrated?

Correct Answer
verified

Roger, who has Type I diabetes mellitus, forgot to take along his insulin on a fishing trip to a remote part of Alaska.It takes him three days to make it out of the wilderness to a hospital.What would be the most likely match to Roger's blood and urine profile once he reaches the hospital?

Correct Answer
verified

According to the above figure, which letter corresponds to the area where water is absolutely not reabsorbed?

Correct Answer
verified

The regulatory systems of the animal body maintain a relatively stable internal condition through a process called ____________________.

Correct Answer
verified

Correct Answer
verified

Freshwater fish are _____ with respect to osmoregulation.

Correct Answer
verified

Select the incorrectly-matched vertebrate and its urine concentration relative to its blood.

Correct Answer
verified

Where are the receptors that respond to elevated blood osmolarity?

Correct Answer
verified

An increase in the production of ADH affects the kidney tubules by

Correct Answer
verified

One of the key factors in vertebrate colonization of many diverse environments is

Correct Answer
verified

The presence of a loop of Henle in nephrons is an evolutionary adaptation that enables mammals and birds to reabsorb water efficiently and produce a ____________ urine.

Correct Answer
verified

Exam 50: Osmotic Regulation and the Urinary System

The organ that performs filtration of blood, reabsorption, and secretion in vertebrates is the _______.

Correct AnswerverifiedShow Answer

Substances NOT usually found in normal human urine are

Correct AnswerverifiedShow Answer

What animal cannot make hypertonic urine?

Correct AnswerverifiedShow Answer

Nearly two-thirds of every vertebrate's body is composed of __________.

Correct AnswerverifiedShow Answer

What animals could drink seawater and not get dehydrated?

Correct AnswerverifiedShow Answer

Roger, who has Type I diabetes mellitus, forgot to take along his insulin on a fishing trip to a remote part of Alaska.It takes him three days to make it out of the wilderness to a hospital.What would be the most likely match to Roger's blood and urine profile once he reaches the hospital?

Correct AnswerverifiedShow Answer

According to the above figure, which letter corresponds to the area where water is absolutely not reabsorbed?

Correct AnswerverifiedShow Answer

The regulatory systems of the animal body maintain a relatively stable internal condition through a process called ____________________.

Correct AnswerverifiedShow Answer

Correct AnswerverifiedShow Answer

Freshwater fish are _____ with respect to osmoregulation.

Correct AnswerverifiedShow Answer

Select the incorrectly-matched vertebrate and its urine concentration relative to its blood.

Correct AnswerverifiedShow Answer

Where are the receptors that respond to elevated blood osmolarity?

Correct AnswerverifiedShow Answer

An increase in the production of ADH affects the kidney tubules by

Correct AnswerverifiedShow Answer

One of the key factors in vertebrate colonization of many diverse environments is

Correct AnswerverifiedShow Answer

The presence of a loop of Henle in nephrons is an evolutionary adaptation that enables mammals and birds to reabsorb water efficiently and produce a ____________ urine.

Correct AnswerverifiedShow Answer

Correct Answer
verified

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