Exam 32: Nonspecific Innate Host Resistance

_____________ is a process by which microorganisms or other particles are coated by serum components, preparing them for recognition and ingestion by phagocytic cells.

Which of the following releases histamine?

Tears protect the eyes by

Cytokines

Which of the following pathways for complement activation is generally dependent upon the formation of antigen-antibody complexes?

Macrophages are derived from

Lectin binds to certain carbohydrates to begin the activation of the classical complement pathway.

A mature activated B cell is called a(n)

Pathogen associated molecular patterns (PAMPs) include

Which of the following remain in the blood circulation rather than taking up residence in other tissues?

The shorter urethra in females is one reason why urinary tract infections are more common in females than in males.

The alternative complement pathway plays an important role in innate immunity, but it is not an effective defense against intravascular invasion by bacteria and some fungi.

Cervical mucus has antibacterial activity.

Substances that are recognized as foreign and provoke immune responses are called

Body temperature is a physiological barrier against certain microorganisms.

Macrophage

Macrophages have surface receptors for all of the following except

Lysozyme is an enzyme that lyses

Complement

Inflammation is a nonspecific defensive reaction to a tissue injury.