Bio 167 Chapter 41 UPDATED ACTUAL
Exam Questions and CORRECT Answers
Which mammal species would you predict has the most concentrated urine? - CORRECT
ANSWER - kangaroo rat, which lives in the desert
During a lab analyzing red blood cells, you inadvertantly mixed up a buffer wrong. Instead of 5 g
of NaCl, you added just 0.5 g. Which image illustrates how the red blood cells looked under the
microscope? Select your answer
Which diagram illustrates what happened to the red blood cells? Select your answer - CORRECT
ANSWER - The One That Only Has One Red Blood Cell Ruptured
Two Yellow Arrows Going In The H20
You are doing a chemical analysis of human urine. What components would you NOT expect to
find in the urine from a healthy individual? Select all that apply. - CORRECT ANSWER -
Proteins & Red Blood Cells
Why do we urinate? Select all that apply. - CORRECT ANSWER - To regulate salt levels
in the bloodstream. & To remove urea from the bloodstream.
What can go wrong if the kidney is damaged by injury or disease? Select all that apply. -
CORRECT ANSWER -A
Option A : Metabolic waste products may remain in the bloodstream.
C
Option C : Blood cells may be released into the urine.
D
Option D : Dehydration may occur due to water loss.
, E
Option E : Swelling may occur due to water retention.
F
Option F : There may be abnormal ion levels in the blood.
G
Option G : Proteins may be lost into the urine.
H
Option H : Urea may build up in the bloodstream.
Eating beets can cause urine to be pink in color, due to brightly-colored betalain pigments. Since
they are excreted in the urine, you can infer that betalains are filtered from the ____________ ,
pass through the _______ without being reabsorbed, and are stored with urine in the ________
before excretion through the ________ . - CORRECT ANSWER - Blood , Kidney ,
Bladder , Urethra
ADH can reduce blood osmolarity. - CORRECT ANSWER - True
An increase in _____ causes the walls of the collecting duct to become more permeable to water.
- CORRECT ANSWER - antidiuretic hormone
What hormone stimulates the reabsorption of sodium, decreasing sodium's excretion? -
CORRECT ANSWER - aldosterone
_____occurs when uric acid is deposited in joints and cartilage. - CORRECT ANSWER -
Gout
In mammals, uric acid is produced from - CORRECT ANSWER - guanine.
Exam Questions and CORRECT Answers
Which mammal species would you predict has the most concentrated urine? - CORRECT
ANSWER - kangaroo rat, which lives in the desert
During a lab analyzing red blood cells, you inadvertantly mixed up a buffer wrong. Instead of 5 g
of NaCl, you added just 0.5 g. Which image illustrates how the red blood cells looked under the
microscope? Select your answer
Which diagram illustrates what happened to the red blood cells? Select your answer - CORRECT
ANSWER - The One That Only Has One Red Blood Cell Ruptured
Two Yellow Arrows Going In The H20
You are doing a chemical analysis of human urine. What components would you NOT expect to
find in the urine from a healthy individual? Select all that apply. - CORRECT ANSWER -
Proteins & Red Blood Cells
Why do we urinate? Select all that apply. - CORRECT ANSWER - To regulate salt levels
in the bloodstream. & To remove urea from the bloodstream.
What can go wrong if the kidney is damaged by injury or disease? Select all that apply. -
CORRECT ANSWER -A
Option A : Metabolic waste products may remain in the bloodstream.
C
Option C : Blood cells may be released into the urine.
D
Option D : Dehydration may occur due to water loss.
, E
Option E : Swelling may occur due to water retention.
F
Option F : There may be abnormal ion levels in the blood.
G
Option G : Proteins may be lost into the urine.
H
Option H : Urea may build up in the bloodstream.
Eating beets can cause urine to be pink in color, due to brightly-colored betalain pigments. Since
they are excreted in the urine, you can infer that betalains are filtered from the ____________ ,
pass through the _______ without being reabsorbed, and are stored with urine in the ________
before excretion through the ________ . - CORRECT ANSWER - Blood , Kidney ,
Bladder , Urethra
ADH can reduce blood osmolarity. - CORRECT ANSWER - True
An increase in _____ causes the walls of the collecting duct to become more permeable to water.
- CORRECT ANSWER - antidiuretic hormone
What hormone stimulates the reabsorption of sodium, decreasing sodium's excretion? -
CORRECT ANSWER - aldosterone
_____occurs when uric acid is deposited in joints and cartilage. - CORRECT ANSWER -
Gout
In mammals, uric acid is produced from - CORRECT ANSWER - guanine.
