آزمايشگاه

Question 1

Non-specifictests:

Answer 1

– acute phase response (Leukocytosis, ESR, CRP, …)
– WBC count in body fluids (sputum, CSF, Urine, stool, pleural fluid)
– Increased enzymes (transaminases, LDH, ADA, lactoferrin)

Question 2

Direct testing methods

Answer 2

1/smear and staining of samples
2/microbial antigen detection
3/molecular tests (determination of microbial DNA or RNA)

Question 3

antibiotic susceptibility testing (antibiogram) is performed due to ……………

Answer 3

Culturing

Question 4

The quickest and easiest way to diagnose is to prepare ……………

Answer 4

smear with or without staining and direct vision with a microscope

Question 5

Diplococci /وردي ………………
Diplococci /بنفسجي ……………

Answer 5

نايسيريا
Pneumococcal pneumonia

Question 6

Types of acid-fast stain

Answer 6

Ziehl-Neelsen,Kinyoun,auramine-rhodamine

Question 7

Acid fast staining

Answer 7

Mycobacteria,Nocardia,Echinococcus, Cryptosporidium.

Question 8

Methylene blue staining

Answer 8

Stool samples for WBCs

Question 9

Giemsa and Wright staining

Answer 9

Peripheral blood for malaria, Borrelia, Babesia

Question 10

Giardia lamblia trophozoite

Answer 10

Giemsa stain

Question 11

Giemsa staining of diluted tissue samples مخفف

Answer 11

مخفف /فيتب/phytb

Pneumocystis
Histoplasma
Yeast
Toxoplasma
Bacteria

*لاحظي ماجبنا اسم فد بكتريا معينة

Question 12

Gomori’s methenamine silver(Warthin-Starry)

Answer 12

غوموري فضه ي نجمه يي

Pneumocystis
Fugi
اسامي بكتريا خاصه

Question 13

Aspergillus sp

Answer 13

periodic acid–Schiff (PAS) stain

Question 14

نستعمل حبر هندي ل

Answer 14

Cryptococcus neoformans

Question 15

Cultivation time of culture media of :-

(for streptococci and staphylococci)

for mycobacteria)

Answer 15

24ساعة
لمدة شهرين

Question 16

febrile patient with the possibility of bacteremia or fungemia

Answer 16

Blood culture
BM culture is more sensitive

Question 17

3 sputum and urine samples

Answer 17

For culturing Mycobacteria

Question 18

Diagnosis of acute and chronic infection

Answer 18

Serology tests

Question 19

Antibiotic susceptibility test (antibiogram)

Answer 19

Diskdiffusionmethod(qualitative)
• Tubemethod(quantitative,determinedbyMIC) •
E-testmethod(semi-quantitative)

Question 20

Immunofluorescent staining of respiratory secretions for

Answer 20

Chlamydia trachomatis, Legionella, Bordetella pertussis