Pearly 11

Question 1

What is the amount of sucrose solution added to Pettenkoffer’s test? _____

Answer 1

-5 drops

Question 2

What is the amount of conc. Sulfuric acid used in the test? _____

Answer 2

-2 mL (2 or 3mL manual, 2mL trans)

Question 3

True or False
We need to cool the test tube under running water after the addition of concentrated sulfuric acid to urine to avoid the rise of temperature to 70 degree Celsius.

Answer 3

-True

Question 4

What is the amount of urine used in the Pettenkoffer’s test? _____

Answer 4

-5 mL (5mL manual, 2mL trans)

Question 5

What is the positive visible result at the zone of contact of Pettenkoffer’s test? _____

Answer 5

-red ring

Question 6

_____ is a test that depends on the reaction of bile acids and sucrose in acid solution to form a red colored compound. (wrong spelling wrong!)

Answer 6

-Pettenkoffer’s test

Question 7

What is the concentration of sucrose solution used to test for the presence of bile acids in urine? _____

Answer 7

-5%

Question 8

What is the color of the entire solution if it is gradually mixed? _____

Answer 8

-Red