Exam 9: Infection

Match term with its definition. -Ability of the pathogen to invade and multiply in the host

Once they have penetrated the first line of defense, which microorganisms do natural killer (NK) cells actively attack?

Match the microorganism with its characteristics. Answers may be used more than once. -Produces a "self" coat by binding to the antigens

Match term with its definition. -Potency of a pathogen measured in terms of the number of microorganisms or micrograms of toxin required to kill the host

Match the microorganism with its characteristics. Answers may be used more than once. -A fungal infection such as ringworm

Which statement about vaccines is true?

After sexual transmission of HIV, a person can be infected yet seronegative for _____ months.

Which are characteristics of exotoxins?

HIV antibodies appear within ______ weeks after infection through blood products.

Match term with its definition. -The ability of an agent to produce disease

Colonization is the first stage of infection.

All viruses have a protein receptor-binding site on their surface that adheres to specific binding site on the host cell.

Which secretion transmits human immunodeficiency syndrome?

Endotoxins are contained in the cell wall of gram-positive bacteria.

What is the first stage in the infectious process?

Once they have penetrated the first line of defense, which microorganisms do neutrophils actively attack, engulf, and destroy by phagocytosis?