HTL practice UPDATED ACTUAL Exam
Questions and CORRECT Answers
tissue is fix in order to - CORRECT ANSWER - stop enzymatic action
which fixatives contains picric acid, formalin, and acetic acid - CORRECT ANSWER -
bouin
the volume of fixative should exceed the volume of the tissue by - CORRECT ANSWER -
to to 20 times
tissue must be washed in running water after fixation in - CORRECT ANSWER - zenker
solution
which fixatives contain formalin, potassium dichromate, and mercuric chloride? - CORRECT
ANSWER - helly
precipitate left in tissue that have been fixed in solutions containing mercuric chloride may be
removed by immersion in - CORRECT ANSWER - iodide
commercial stock formaldehyde solutions contain - CORRECT ANSWER - 37% to 40%
formaldehyde
formalin pigment is most likely to form in tissues if the ph of the formalin solution is at or below
- CORRECT ANSWER -5
formalin pigment my be removed from tissue by - CORRECT ANSWER - alcohol picric
acid
10% formalin is the same as - CORRECT ANSWER - 4 percent formaldehyde
Questions and CORRECT Answers
tissue is fix in order to - CORRECT ANSWER - stop enzymatic action
which fixatives contains picric acid, formalin, and acetic acid - CORRECT ANSWER -
bouin
the volume of fixative should exceed the volume of the tissue by - CORRECT ANSWER -
to to 20 times
tissue must be washed in running water after fixation in - CORRECT ANSWER - zenker
solution
which fixatives contain formalin, potassium dichromate, and mercuric chloride? - CORRECT
ANSWER - helly
precipitate left in tissue that have been fixed in solutions containing mercuric chloride may be
removed by immersion in - CORRECT ANSWER - iodide
commercial stock formaldehyde solutions contain - CORRECT ANSWER - 37% to 40%
formaldehyde
formalin pigment is most likely to form in tissues if the ph of the formalin solution is at or below
- CORRECT ANSWER -5
formalin pigment my be removed from tissue by - CORRECT ANSWER - alcohol picric
acid
10% formalin is the same as - CORRECT ANSWER - 4 percent formaldehyde
