mod 4 murray notes

Question 1

what are the reasons for submitting lab work?

Answer 1

confirm presumptive Dx of infection

R/O infection

obtain info for antimicrobial therapy

Question 2

what is included in microbiology request data?

Answer 2

Pt data- name , id #, age, sex, origin of request (ward, clinic)

Clinical info - presumptive Dx, site of specimen, antimicrobial therapy in-progress, time/date collected

Exam requested- routine & susceptility vs. special screening, microscopic exam if desired

physician/ PA signature

Question 3

what should the characteristics of a specimen be?

Answer 3

representative of infection; adequate coverage of infected site

sufficient quantity

prevent excessive contamination

prevent contact w/ air if anaerobes suspected

Question 4

what specimens require multiple samples to provide better results?

Answer 4

Fecal & sputum - 1 per day for 3 days

blood culture - 3 (w/in about 2 hours) from different sites