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1. Things considered to be specimen collection is TRUE

A. Sputum collection doesnt need to be deep coughB. Urine specimen should be collected first-stream when you wake up early

morning.

C. Peritoneal fluid collection should be done under aseptic condition andkeep in universal container

D. Serum can be collected directly from human bodyE.

Tissue specimen keep in alcohol liquid

2. Regarding antifungal agents are False

A. Amphotericin B disrupt cell membraneB. Allylamines inhibit protein and DNA synthesisC. Azoles like fluconazole inhibit ergosterol synthesisD. Pyrinidine analogue inhibit protein and DNA synthesisE. Caspofungin disrupt cell wall

3. The following fungi are transmitted by

A. Cryptococcus can be transmitted by spore inhalationB. Sporothrix is transmitted by traumatic inplantationC. Histoplasma is droplet transmissionD. Zygomycetes is transmitted direct contactE. Main mode of candida infection is exogenous contact

4. Normal resident of human body is True

A. Staphylococcus Aureus is normal resident of GITB. Escherichia coli always stayed in throatC. Staphylococcus epidermidis is resident of human skin

SECTION A : ONE BEST ANSWER (OBA):

INSTRUCTIONS : Select ONE BEST answer from the options given below.

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D. Mycobacterium is resident of respiratory tractE. Clostridium tetani is normal flora of skin

5. The following are endotoxin and exotoxin producing bacteria

A. Exotoxin can not be produced as toxoid formedB. Endotoxin is high toxicity than exotoxinC. Exotoxin produced by bacteria is low antigenicD. Endotoxin are produced by gram negative bacteriaE. Endotoxin cannot be stabled as high temperature as exotoxin

6. Gram negative bacteria

A.Neisseria meningitidis is rods shaped bacteriaB. Bordetella pertussis is sensitive to erythromycinC. Neisseria meningitidis growth in Thayer Martin AgarD.Neisseria gonorrhoeae is not sensitive to Penicillin

Pseudomonas can be detected by MacConkey agar.

7. ______ is the total elimination of ALL microorganisms including spores:

A. SterilizationB. Disinfection

C. Degerming

D. Cleansing

8. Which of the following is TRUE regarding objects intended use?

A. Critical: objects that touch lacerated wound

B. Semicritical : objects entering the vascular system

C. Noncritical: objects that touch only intact skinD. High Risk: objects that touch skin abrasions

9. The most suitable way of disposing contaminated surgical dressings and sharpsis through:

A. Red heatB. Incineration

C. Autoclave

D. Irradiation

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10. Which of the following statement is TRUE about HEAT STERILIZATION:

A. Hot air sterilizer uses oven at 180 C 75 mins

B. Autoclave uses 121 C, 15 psi, 15 secC. Steam sterilization includes the use of inoculating wire

D. Autoclaving is usually used for sterilization of laboratory media

11. The best sterilization for single use disposal items like needles & syringes,

latex catheter, surgical gloves:

A. Ethylene oxide

B. IrradiationC. Glutaraldehyde

D. Filtration

12. Biological monitor used for Plasma Sterilization:

A. Geobacillus stearothermophilusB. atrophaeus

C. pumilus

D. sporogenes

13. The biological indicators are usually cultured in :

A. MacConkey AgarB. soybean casein

C. Hektoen Enteric Agar

D. Chocolate Agar

14. Properties of Ideal Disinfectant:A. Reactive

B. PoisonousC. Broad spectrum

D. Nonsoluble

15. Which of the following statement is NOT TRUE of Factors affecting

Disinfection:

A. The more concentrated the disinfectant, the greater its efficacy and the shorter

the time necessary to achieve microbial kill.

B. In general, longer contact times are more effective than shorter contact times.C. Usual chemical reaction, twice increase in rate with each 20 C increase intemperature

D. Microorganisms may be protected from disinfectants by production of thick

masses of cells and extracellular materials

16. TRUE of working dilution of Hypochlorite (bleach):

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A. 1.5%: heavy spillage of blood/ body fluid wear

B. 0.1% : general cleaning if need disinfection

C. 0.25%: disinfect babies bottlesD. 1%: disinfection of hospital rooms

17. Laboratory diagnosis of scabies is best done by:A.Fecal examination

B.Serology

C.Blood examination

D.Skin scraping

E.Rectal biopsy

18. Skin myiasis is due to invasion of skin by:

A.Sarcoptes scabiei

B.Trematode cercariae

C.Lice

D.Fly larvae

E.Hookworm larvae

19. A parasitic protozoa that has pseudopodium as a mode of locomotion belon

A.Amoebae - Sarcodina

B.Flagellates - Mastigophora

C.Ciliates - Ciliata

D.SporozoaApicomplexa - Haemosporida

E.Sporozoa - Microspora

20. Which is not a feature of a nematode?

A.Have straight alimentary canal

B.Have anus

C.Hermaphrodite

D.Pointed both ends

E.Dioecious

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21. A parasitic helminth that is dorso-ventrally flattened, hermaphrodite and

segmented belongs to:

A.Nematoda

B.Cestoda

C.Trematoda

D.Flukes

E.Roundworms

22. An organism that lives with another organism without harming the latter in any

way is called a:

A.Vector

B.Host

C.Symbiont

D.Parasite

E.Commensal

23. An organism that can exist independently but may be parasitic on certain

occasions is called:

A.Endoparasite

B.Ectoparasite

C.Obligate parasite

D.Commensal

E.Facultative parasite

24. The basic components in the host-parasite relationship are:

A. Host, parasite and vectorB. Host, parasite and environmentC. Definitive host, intermediate host and parasiteD. Definitive host, intermediate host and vectorE. Parasite, vector and intermediate host

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25. This host is sometimes referred to as a dead-end host.

A. Intermediate hostB. Paratenic hostC. Reservoir hostD. Accidental hostE. Carrier host

26. The most important difference between a biological and a mechanical vis:

A. Whether the vector is essentiality in the life cycle of the parasiteB. The vectors role as a transmitter of the parasiteC. The species of insect that serves as a vectorD. Whether the parasite is carried on or in the vectorE. The length on time the parasite spends in the vector

27. The main difference between infestation and infection is:

A. Infestation is applied to parasites and infection to fungi, virusesbacteria.

B. Infestation refers to invasion of the body by the microbes, wherinfection refers to production of symptoms due to infestation.

C. Infestation is symbiotic, meaning organisms live in a place withharm to the host. Infections invade and destroy cells in the host.

D. Infection leads to disease, infestation does not.E. Infestation occurs outside the body, infection is inside.

28. In the life cycle ofBrugia malayi, one infective larva was introduced inhuman blood stream through a mosquito bite and developed into one ad

worm in the lymphatic vessel. This type of life cycle is called:

A. Simple life cycleB. Cyclopropagative

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C. CyclodevelopmentalD. Domestic cycleE. Sylvatic cycle

29. In hookworm infection, the infective larvae (or filariform larvae) penetrate

skin and cause intense pruritic dermatitis at the site of penetration. What is

developmental stage of these infective larvae?

A. Infective stage

B. Pathologic stage

C. Diagnostic stage

D. Infective and pathologic stageE. Infective, pathologic and diagnostic stage

30. Which from the list below is/are the source/sources of parasitic infection?

A. Soil

B. Food and water

C. Vectors

D. Humans and animals

E. All of the above

31. In the infection with a protozoa, the stage that cannot produce pathology is

A. Trpphozoite stage

B. Schizont stage

C. Trypomastigote stage

D. Tissue cyst

E. Oocyst

32. In the infection with a helminth, the stage/stages that can cause pathology i

the:

A. Adult stage.

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B. Larva stage.C. Ovum (egg) stage.D. Adult and larva stage.E. Adult, larva and ovum stage.

33. An example of a localized manifestation of disease is:

A. FeverB. Pruritis aniC. AnaemiaD. JaundiceE. Lethargy

34. A sign or symptom that is so characteristic of a disease that it makes the

diagnosis is called a:

A. PathognomonicB. PathologicC. AnthroponoticD. SymptomaticE. Diagnostic

35. Which of the following does not actually stain parasites?

A. EosinB. Lugols iodineC. Trichome stainD. Acid fast stainE. Kohns stain

36. Which of the following egg count is considered heavy forAscaris lumbrico

infection?

A. > 10,000 EPGB. > 20.000 EPG

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C. >30,000 EPGD. > 40,000 EPGE. > 50,000 EPG

37. All of these viruses have helical nucleocapsid except:

A. RabiesB. Parainfluenza

C. Rota virus

D. Influenza

38. The Tzanck test is not used on which of the following viruses?

A. VZV

B. HSV-2C