Method 1: Using the @media At-rules. The @media rule is used to define different style rules for different media types in a single style sheet. It is usually followed by a comma-separated list of media types and the CSS declarations block containing the styles rules for target media. The style declaration in the example below tells the browser to display body content in 14 pixels Arial font on the screen, but in case of printing it will be in a 12 points Times font.
Serological tests may be performed for diagnostic purposes when an infection is suspected, in rheumatic illnesses, and in many other situations, such as checking an individual's blood type. Serology blood tests help to diagnose patients with certain immune deficiencies associated with the lack of antibodies, such as X-linked agammaglobulinemia.
Different types of serologic tests can be used to diagnose various health issues. Tests have one thing in common: they all focus on proteins made by the bodyâs immune system. This vital body system helps keep us healthy by destroying foreign invaders that can make us ill.erologic TestingâAntigens and Antibodies. To understand serologic tests and why they are useful, it is helpful to know a little about the immune system and why we get sick. Antigens are substances that provoke a response from the immune system. They are most often too small to be seen with the naked eye.