Mohamed Abbas, a science teacher at Senioritis.io

Mohamed Abbas
July 4, 2023
Radiology

The Importance of Potential Difference in X-Ray Tube: Effects on Electron Speed, X-Ray Energy, and Penetration

The potential difference applied to the X-ray tube that determines the speed at which the electrons in the tube current move. In an X-ray tube, a potential...

Mohamed Abbas
July 4, 2023
Radiology

Optimizing X-ray Exposure: Understanding the Role of Tube Current in Controlling Radiation Intensity

The X-ray tube current during an exposure. The X-ray tube current refers to the flow of electrons in the X-ray tube during an exposure The X-ray tube...

Mohamed Abbas
July 4, 2023
Radiology

Capturing the Perfect Image: Factors, Techniques, and Artistry in Visual Arts

Occurs when all the factors align to create the perfect image When all the factors align to create the perfect image, it refers to a situation where...

Mohamed Abbas
July 4, 2023
Radiology

Understanding the Processes of X-Ray Interactions with the Patient’s Body: Absorption, Transmission, Scatter, and the Photoelectric Effect

The x-ray beam upon exiting the collimator and reacting the patient. When an x-ray beam exits the collimator and interacts with the patient, several processes take place...

Mohamed Abbas
July 4, 2023
Radiology

Understanding Contrast in X-Ray Imaging: Importance and Techniques

The degree of a difference or ratio between adjacent densities on an x-ray film The degree of a difference or ratio between adjacent densities on an x-ray...

Mohamed Abbas
July 4, 2023
Radiology

The Impact of Tissue Absorption on X-ray Image Quality: Understanding the Role of Atomic Number and Density

A result of absorption characteristics of the anatomic tissue radiographed and the quality of the x-ray beam. The absorption characteristics of anatomic tissues play a significant role...

Mohamed Abbas
July 4, 2023
Genetics

The Blueprint of Life: Understanding Protein Production and Gene Expression in Cells

contains the instructions for, and controls, the production of proteins The cell contains a structure known as the nucleus, which houses the genetic material, also called DNA...

Mohamed Abbas
July 4, 2023
Genetics

Unraveling the Genetic Code: The Crucial Role of DNA Helicase in DNA Replication and Transcription Processes

an enzyme that “unzips” DNA by breaking the hydrogen bonds that hold the two strands together between the nitrogen bases The enzyme that “unzips” DNA by breaking...