A sign of a bacterial infection is the presence of ____________.

• tissue

• lesions

• blood

• pus

What is a contagious skin disease that is caused by the itch mite?

• Pediculosis

• Barber's itch

• Scabies

• Head lice

Round-shaped bacteria are called ___________.

• retrobacteria

• bacilli

• spirilla

• cocci

Together, the active stage and inactive, or spore-forming, stage of bacteria are referred to as the _____________.

• life cycle of bacteria

• chemical origin of bacteria

• surrounding environment

• beneficial effects

Human immunodeficiency virus (HIV) causes _______.

• HPV

• AIDS

• MRSA

• hepatitis

Which agency is responsible for designating disinfecting agents as being effective enough to be used in a hospital setting and effective for cleaning blood and body fluids?

• DOL

• EPA

• CDC

• OSHA

Inflammation is characterized by which of the following?

• Swelling

• Numbness

• Chilling of tissue

• Decreased blood flow

A reaction due to extreme sensitivity to certain foods, chemicals, or other normally harmless substances is a(n) _________.

• infection

• parasite

• disease

• allergy

Which organisms are pus-forming bacteria that grow in clusters like bunches of grapes?

• Streptococci

• Spirilla

• Staphylococci

• Bacilli

Which foot spa has come under scrutiny because disease-causing microorganisms tend to grow inside it?

• Whirlpool foot spa

• Air jet basin

• Non-whirlpool basin

• Pipeless spa