Formalin pigment - Study guides, Class notes & Summaries

CSMLS Practice Questions and Answers Verified Solution A+ Which of the following actions should be taken when the hematoxylin and eosin stain lacks three distinct shades of pink? a. check pH of fixative b. replace hematoxylin c. check pH of eosin d. increase time in water - Correct Answer-c. check pH of eosin A dark brown pigment is noted on formalin fixed, hematoxylin and eosin stained section. What action can prevent this from occurring? a. maintain formalin at a neutral pH b. trea...

The primary purpose of fixation is to: a. stop enzymatic action b. remove the water from the tissue c. provide support for the tissue d. autolyze the tissue - Answer-a. enzymes are proteins and rendered inactive by fixation Which of the following fixatives contains picric acid, formalin and acetic acid a. Zenker b. Helly c. Bouin d. Zamboni - Answer-c. Bouin The ratio of fixative to tissue should be a. 1:2 b. 5:10 c.15:20 d. 25:50 - Answer-c. 15 times to 20 times Tissue must be wa...

CSMLS Chemistry Latest Update Graded A+ Chilled Samples ACTH, lactic acid, ammonia, blood gases, acetone, gastrin, glucagon, pyruvate, renin Protect samples from light bili, carotene, erythrocyte protoporphyrin, vitamin A, vitamin B12 Warm Samples Cold agglutinins, cryoglobulins Fasting samples Fasting blood sugar, triglycerides, lipid panel, gastrin, insulin Formalin pigment Aka acid formalin hematin. Brown, granrular, doubly refractile deposit Remove with picric acid aft...

Chilled Samples - Answer-ACTH, lactic acid, ammonia, blood gases, acetone, gastrin, glucagon, pyruvate, renin Protect samples from light - Answer-bili, carotene, erythrocyte protoporphyrin, vitamin A, vitamin B12 Warm Samples - Answer-Cold agglutinins, cryoglobulins Fasting samples - Answer-Fasting blood sugar, triglycerides, lipid panel, gastrin, insulin Formalin pigment - Answer-Aka acid formalin hematin. Brown, granrular, doubly refractile deposit Remove with picric acid after 100% alc...

CSMLS Practice Questions and Answers 100% Pass Which of the following actions should be taken when the hematoxylin and eosin stain lacks three distinct shades of pink? a. check pH of fixative b. replace hematoxylin c. check pH of eosin d. increase time in water c. check pH of eosin A dark brown pigment is noted on formalin fixed, hematoxylin and eosin stained section. What action can prevent this from occurring? a. maintain formalin at a neutral pH b. treat sections with alcohol...

CSMLS practice questions with complete solution Which of the following actions should be taken when the hematoxylin and eosin stain lacks three distinct shades of pink? a. check pH of fixative b. replace hematoxylin c. check pH of eosin d. increase time in water - CORRECT ANS-c. check pH of eosin A dark brown pigment is noted on formalin fixed, hematoxylin and eosin stained section. What action can prevent this from occurring? a. maintain formalin at a neutral pH b. treat sections with...

fixitive used for specimens - correct answers 10% neutral buffered Formalin Marking Margins - correct answers - to identify resection margins, if tumour too close to these margins they know they have to go in and cut more out - Guide to embedding What is used to clean grossing station - correct answers phenolic disenfectant or gluteroldehyde how long is specimens stored for - correct answers 1-3 months some legal cases kept indefinitly Why is fresh tissue not stored? - correct answ...

CSMLS chemistry exam questions and answers Chilled Samples - CORRECT ANS-ACTH, lactic acid, ammonia, blood gases, acetone, gastrin, glucagon, pyruvate, renin Protect samples from light - CORRECT ANS-bili, carotene, erythrocyte protoporphyrin, vitamin A, vitamin B12 Warm Samples - CORRECT ANS-Cold agglutinins, cryoglobulins Fasting samples - CORRECT ANS-Fasting blood sugar, triglycerides, lipid panel, gastrin, insulin Formalin pigment - CORRECT ANS-Aka acid formalin hematin. Brown, g...

Histotechnology - FixationThe primary purpose of fixation is to: a. stop enzymatic action b. remove the water from the tissue c. provide support for the tissue d. autolyze the tissue - correct answers a Which of the following fixatives contains picric acid, formalin, and acetic acid? a. Zenker b. Helly c. Bouin d. Zamboni - correct answers c The volume of fixative should exceed the volume of the tissue by: a. 1 time to 2 times b. 5 times to 10 times c. 15 times to 20 ...

An example of an additive is one that contains: A. Picric acid B. Acetic acid C. Ethyl alcohol D. Acetone - correct answer Picric Acid When compared with tissue fixed in formalin, tissue fixed in zinc-formalin will show: A. Better ultrastructural preservation B. Decreased immunoreactivity C. Increased enzyme activity D. Superior nuclear detail - correct answer Superior nuclear detail Micr...