Staining with Dye Is a Technique Typically Used to Enhance

question 16

Multiple Choice

Staining with dye is a technique typically used to enhance contrast and visualization of cellular structures. Which microscope magnifies passing light directly through a specimen?

• A) a fluorescence microscope
• B) a bright field microscope
• C) a confocal laser scanning microscope
• D) a phase-contrast microscope

---

Definitions:

Lysosome

Membrane-bound organelles found in nearly all animal cells that use enzymes to break down waste materials and cellular debris.

Ependymal Cells

Glial cells that line the ventricles in the brain and the central canal of the spinal cord, playing a role in producing and circulating cerebrospinal fluid.

Cerebrospinal Fluid

A clear, colorless body fluid found in the brain and spinal cord, providing mechanical protection, nourishment, and waste removal for neural tissues.

Blood-Brain Barrier

A selective permeability barrier that separates the circulating blood from the brain, protecting it from foreign substances.