Exam 55: Assisting in Microbiology and Immunology

Antimicrobial agents used to treat a broad range of infections are classified as __________.

You observe a bacterial smear and note that the arrangement of the organisms resembles the stitching on jeans.This arrangement is characteristic of:

An organism that is unlikely to be transmitted by airborne droplets is:

Explain the process of reporting infectious diseases in your state and identify at least six reportable diseases.

Microscopically, a gram-negative bacterium appears as:

Mycoplasmas have more PG in their cell walls than any other pathogen.

Both bacteria and fungi can be:

Which color indicates gram-positive bacteria?

Beta hemolysis:

Mycobacterium tuberculosis is the organism that causes tuberculosis and also is an anaerobe.

Cultures for gonorrhea and strep throat must be refrigerated if they cannot be plated immediately.

Organisms that require special growth factors to reproduce on artificial media are said to be __________.

A gram-positive cell has a thick layer of peptidoglycan with no lipid layer surrounding it.

The Epstein-Barr virus causes both mononucleosis and rubella.

__________ are inflammatory mediators released by cells that cause smooth muscle contraction and pain.

WBCs produce __________, which activates lymphocytes and initiates a fever when a person has an infectious disease.

The physician would order a stool culture to confirm staphylococcal food poisoning.

An infection acquired in the hospital is called and _________ infection.

Cultures for aerobes are incubated in special jars that chemically remove oxygen from the environment.

An influenza diagnosis is confirmed by cultures grown from nasopharyngeal swabs.