MI 1.2.1 Antibiotic Therapy

Front

What type of bacteria has an outer membrane (2nd cell membrane)?

Back

Gram negative bacteria.

Front

Which antibiotic interferes with the B vitamin (folate) that bacteria require to survive?

Back

Sulfa antibiotics (sulfonamids).

Front

What type of bacteria has thin peptidoglycan in its cell wall?

Back

Gram negative bacteria.

Front

What is an endotoxin?

Back

A poisonous or toxic substance inside a bacterium (part of the cell membrane).

Front

Which antibiotic works by interfering with bacteria's ability to copy their DNA?

Back

Fluoriquinolones.

Front

What is the primary function of penicillin (beta-lactam) antibiotics?

Back

To inhibit bacterial cell wall synthesis.

Front

What distinguishes Gram positive bacteria from Gram negative bacteria in terms of cell wall structure?

Back

Gram positive bacteria have a thick peptidoglycan layer, while Gram negative bacteria have a thin peptidoglycan layer.

Front

What is the mechanism of action of tetracyclines?

Back

They inhibit protein synthesis in bacteria.

Front

What is the role of folate in bacterial growth?

Back

Folate is a B vitamin essential for DNA synthesis and cell division in bacteria.

Front

What are the characteristics of Gram negative bacteria?

Back

They have an outer membrane, thin peptidoglycan layer, and can produce endotoxins.