SEM Microscopy for Disease Diagnosis

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What is the main application of flow cytometry in disease classification?

To perform blood counts

To determine the granularity of cells

To determine the total DNA per cell in tumor biopsies (correct)

To sort T cells to determine how an infection has affected their function

What type of cells will produce a higher side scatter signal in microscopy techniques?

Cells with a high degree of internal complexity (correct)

Cells with a low granularity and complexity

Cells with a medium granularity and complexity

Cells with no granularity and complexity

What is the principle behind Magnetic Resonance Imaging (MRI)?

The body's natural thermal properties

The body's natural magnetic properties (correct)

The body's natural electrical properties

The body's natural optical properties

What is not a type of medical imaging?

Microscopy Signup and view all the answers

What is not a medical imaging device?

Microscope Signup and view all the answers

What is a common application of medical imaging?

To locate tumors for treatment and removal Signup and view all the answers

What is one of the advantages of advanced microscopy techniques in disease diagnosis?

More precise disease classification Signup and view all the answers

What is the final output of the Scanning Electron Microscope (SEM)?

Signal in the form of an image Signup and view all the answers

What is the significance of identifying various lifecycle stages of the Plasmodium species in disease diagnosis?

To aid in the diagnosis and understanding of malaria's progression Signup and view all the answers

What is the purpose of observing microbial growth in the presence of various antimicrobial agents under the microscope?

To determine the efficacy of drugs Signup and view all the answers

What is the characteristic of cancer cells observed under the microscope?

Larger nuclei and darker color Signup and view all the answers

What is the advantage of microscopic analysis in antimicrobial sensitivity testing?

Prescription of the most effective treatment Signup and view all the answers

What is the primary function of the fluidic system in a flow cytometer?

To align cells or particles in a single file for laser interrogation Signup and view all the answers

What type of light is refracted by cells and travels in a different direction than its original path?

Side scattered light Signup and view all the answers

What is the purpose of sheath fluid in the flow cell?

To carry and align the cells or particles for laser interrogation Signup and view all the answers

What is the function of the optics system in a flow cytometer?

To provide a light source for laser interrogation Signup and view all the answers

What type of light is used to determine the particle size in a flow cytometer?

Forward scattered light Signup and view all the answers

What is the purpose of fluorescent probes conjugated to antibodies in a flow cytometer?

To excite the particles and cause fluorescence Signup and view all the answers