The reagent that gives the rose-red color in the section is?

Prepare for the Histotechnologist Certification Exam with our comprehensive study material. Use flashcards, detailed explanations, and intuitive multiple-choice questions. Boost your test readiness and achieve certification success!

Multiple Choice

The reagent that gives the rose-red color in the section is?

Explanation:
The key idea is how dyes interact with tissue components to produce specific colors. Pyronin Y is a basic dye that binds strongly to RNA, staining RNA-rich structures such as cytoplasm and ribosomes a rose-red color. In sections where cytoplasm is prominent and contains abundant RNA, you’ll see that distinct rose-red hue. Hematoxylin would stain nuclei blue, and methylene blue would color basophilic structures blue, while eosin stains cytoplasm and connective tissue pink to red but is usually not described as rose-red. So the rose-red reagent is pyronin Y, which highlights RNA-rich areas and provides clear contrast to the blue-stained nuclei.

The key idea is how dyes interact with tissue components to produce specific colors. Pyronin Y is a basic dye that binds strongly to RNA, staining RNA-rich structures such as cytoplasm and ribosomes a rose-red color. In sections where cytoplasm is prominent and contains abundant RNA, you’ll see that distinct rose-red hue. Hematoxylin would stain nuclei blue, and methylene blue would color basophilic structures blue, while eosin stains cytoplasm and connective tissue pink to red but is usually not described as rose-red. So the rose-red reagent is pyronin Y, which highlights RNA-rich areas and provides clear contrast to the blue-stained nuclei.

Subscribe

Get the latest from Passetra

You can unsubscribe at any time. Read our privacy policy