PBS

Phagocytes, nasal mucous, and digestive enzymes are examples of

• innate immunity.

• acquired immunity.

Small hairs that trap pathogens are

• cilia.

• flora.

• mucous.

• phagocytes.

B cells, T cells, and antibodies are examples of

• innate immunity.

• acquired immunity.

________ produce antibodies.

• T-cells

• B-cells

• Phagocytes

• Antigens

Immunity gained from a vaccine is

• nonspecific immunity.

• innate immunity.

• naturally acquired immunity.

• artificially acquired immunity.

Which TWO would be considered proper aseptic technique?

• Use only sterile inoculating loops.

• Place all lids on lab table face down.

• Throw bacterial plates in trash can.

• Thoroughly disinfect all work surfaces.

Which characteristics did we look at in the lab to analyze bacterial colonies? Select all that apply.

• elevation

• size

• color

• form

The purple bacteria in this image are

• cocci.

• bacilli.

• spirilla.

The bacteria in this image are

• cocci.

• bacilli.

• spirilla.

PBS is commonly used in laboratories as a buffer solution. What does PBS stand for?

• Phosphate Buffered Saline

• Potassium Buffered Solution

• Phosphorus Buffer System

• Protein Binding Solution