Antibiotics

Question 1

Antibiotic

Answer 1

Selectively toxic substances to microorganisms which kill or inhibit them but without harming the patient

Question 2

Bactericidal

Answer 2

kill bacteria

Question 3

Bacteriostatic

Answer 3

prevents reproduction

Question 4

Antimicrobial resistance

Answer 4

the ability of an organism to resist the action of an antimicrobial drug

Question 5

Intrinsic resistance

Answer 5

occurs due to NORMAL genetics, structural or physiological state of organism

Question 6

Acquired resistance

Answer 6

results from ALTERED genetic, structural or physiological state of the organisms

Question 7

Disc diffusion test

Answer 7

standard zone measuring interpretation

used in practical

Question 8

E-test

Answer 8

~ uses antibiotic strips
~ standard reading interpretation
~ determines the minimum inhibitory concentration (MIC)

Question 9

Automated sensitivity test

Answer 9

~ emulsify sample and inject into pods on card

~ after 4hrs, organism is identified and resistances checked

Question 10

Molcular detection

Answer 10

PCR can be used to identify certain genes

e.g. Mec A gene in MRSA