Unit 3.1

Question 1

This describes a substance that suppresses the growth of another microorganism; often used interchangeable with “antimicrobial.”

Answer 1

antibiotic

Question 2

This refers to the range of microorganisms that an antimicrobial can kill or inhibit.

Answer 2

spectrum of activity

Question 3

This suffix denotes drugs that kill microorganisms

Answer 3

-cidal

Question 4

This suffix denotes drugs that only inhibit growth of microorganisms

Answer 4

-static

Question 5

This term means organisms that cause disease

Answer 5

pathogens

Question 6

This term means the lowest concentration of drug that prevents the bacterium from dividing and replicating

Answer 6

minimum inhibitory concentration

Question 7

If a bacterial strain has an MIC that is low enough to avoid producing significant side effects in the host animal, the bacteria is said to be ____ to the drug.

Answer 7

sensitive

Question 8

If a bacterial strain has an MIC so high that significant side effects would occur in the host animal, the bacteria is said to be ______ to the drug

Answer 8

resistant

Question 9

Antibiotics that must be present at the site of infection for a long duration in order to be effective are said to be this.

Answer 9

time-dependent

Question 10

This is the presence of a drug, chemical, or metabolites in animal tissues or food products.

Answer 10

residue

Question 11

This means the animal or person experiences an allergic reaction to a drug.

Answer 11

hypersensitivity

Question 12

T or F

The “-static” antimicrobials are more dependent upon the immune system than the “-cidal” antimicrobials.

Answer 12

True

Question 13

T or F

Time dependent antibiotics ideally need to be present at the infection site continuously.

Answer 13

True

Question 14

T or F

Drug residues from antimicrobials typically are NOT degraded by cooking or pasteurization.

Answer 14

True