MCQSt of Patho 1 First three unites

Detergents cause chemical irritation.

Exudate contains proteins and cells, not fibroblasts.

Rubor is redness due to increased blood flow.

Necrosis is tissue death due to injury.

Endotoxins are part of Gram-negative cell wall.

Evasion helps pathogen escape immune system.

Pathogen avoids intracellular killing.

Exotoxins are actively secreted.

Exotoxins can be inactivated into toxoids.

Inflammation is protective response of vascular tissues.

External infectious agents cause disease.

Time between infection and symptoms is incubation period.

This is the symptomatic phase of disease.

Pathogen enters through mouth via contaminated water.

Prognosis predicts disease course and outcome.

Calor refers to heat in inflammation.

Insidious diseases develop slowly and subtly.

Virulence is the disease-causing strength of pathogen.

Pathogen multiplies rapidly causing symptoms.