Microbiology and Parasitology (MCQ) Prep Test

Hello Smart Scholar, you are about to start MicroPara (MCQ) Prep Test on September 19, 2024. Below are some instructions to get you started:

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Best of luck, from A. A. Badmus

Name

MicroPara

Which of the following is true regarding sterilization and disinfection

Intermediate level disinfectants can kill all vegetative bacteria but not viruses

High level disinfectants kill all microorganisms including bacterial spores

High level disinfectants at extended contact times are capable of actual sterilization.

Low level disinfectants kill mycobacteria spp.

None

MicroPara

The following are true of streptococcus pneumonia except

Infections can be prevented by vaccination

Is a common aetiological agent in meningitis

Has characteristic polysaccharide capsule

Can be diagnosed by serologoc tests on body fluids

Appear Gram positive cocci in clumps

None

MicroPara

Name of the lung fluke?

Fasciola hepatica

Paragonimus westermani

Fasciolopsis busci

Giardia Lamblia

None

MicroPara

One of the following is an oviparous nematode

Wuchereria bancrofti

Ascaris lumbricoides

Dracunculus medinensis

Bruga malayi

None

MicroPara

Hansen disease is caused by

Clostridium tetani

Bordetella pertussis

Echoviruses

Mycobacterium leprae

None

MicroPara

One of the following is not an example of a painless GUD

Lymphogranuloma venereum- Chlamydia trachomatis (serotypes L1, L2, L3)

Granuloma inguinale- Klebsiella granulomatis

Syphilis- Treponema pallidum

Chancroid - Haemophilus ducreyi

None

MicroPara

Infective causes of vaginal discharge in adult female include

Lactobacilli spp.

Treponema pallidum

Staphylococcus aureus

Trichomonas vaginalis

None

MicroPara

Complications of sexually transmitted infections are these except

cervical cancer

obesity

urethral stricture

infertility

None

MicroPara

One of the following parasites does not have a direct life cycle

Balantidium coli

Ancyclostoma duodenale

Leishmania donovani

Trichuris trichiura

None

10.

MicroPara

Which of the following best describes the term "midstream clean-catch"?

A method of obtaining a urine sample by collecting the initial portion of urine after discarding the first part of the stream

A technique used in wound care to ensure aseptic conditions during dressing changes

The process of collecting cerebrospinal fluid (CSF) for diagnostic purposes in a sterile manner.

A method of obtaining a blood sample from a vein using sterile precautions.

None

11.

MicroPara

Mosquito borne worm known to cause tropical elephantiasis

Onchocerca volvulus

Metagonimus spp.

Wuchereria bancrofti

Loa loa

None

12.

MicroPara

One of the following is not true about nematodes

Nematodes complete their life cycle in one host except in filarial nematodes and Dracunculus medinensis.

They are majorly monoecious

They have a body cavity with a digestive, excretory and nervous systems.

Their larvae pass through four moults before reaching adulthood and sexual maturity.

None

13.

MicroPara

Factors that determine the effectiveness of chemical disinfection include

Corrosiveness of the disinfectant agents

Prior cleaning of the article

Duration of exposure

Concentration of the disinfectant used

None

14.

MicroPara

One of the following statements is wrong about treatment of Neisseria gonorrhoeae infection

Spouses should also be treated

Treatment should also be done for Chlamydia

Can be treated with ceftriaxone, cefixime, Quinolones (ciprofloxacin) and omeperazole

Investigations can be done with urethral, endocervical , pharyngeal and rectal swabs

None

15.

MicroPara

Pinworm?

Diantameoba fragilis

Enterobius vermicularis

Trichuris trichiura

Ascaris lumbricoides

None

16.

MicroPara

Regarding flagella, this is incorrect

Purposely for motility

Are common to cocci

Composed of protein

Found on both Gram-positive and Gram-negative

None

17.

MicroPara

Fish tapeworm

Taenia saginata

Dipylidium caninum

Taenia solium

Diphyllobothrium latum

None

18.

MicroPara

The larval stage of Taenia sp. is known as

Viscerotropica

Cysticercus

Cellulosae

Bovis

None

19.

MicroPara

Normal flora of the skin includes all but one:

Propionibacterium

Staphylococcus aureus

Corynebacterium

Non-pathogenic bacteria

Neisseria meningitidis

None

20.

MicroPara

Genital herpes is known with the following features except

A condition that persist in latent form

A vesiculating infection

Typically recurrent after the first infection

Caused majorly by Herpes simplex virus type 1

None

21.

MicroPara

The most common site of nosocomial infections is

urinary tract

central nervous system

surgical wounds

gastrointestinal tract

respiratory tract

None

22.

MicroPara

Normal body flora are called so because

they are required in-utero

they never cause infection

they do not serve any good purpose for the host

characteristically, they are different from pathogenic microorganism

under normal conditions they do not cause infections

None

23.

MicroPara

The most common portal of entry of viruses is

Respiratory

Genital tract

Fecal-Oral

Skin

None

24.

MicroPara

One of the following is an example of an obligate parasite

Echinococcus granulosus

Plasmodium sp

Tick

Naegleria fowleri

None

25.

MicroPara

This statement is wrong about Taenia sp.

The eggs of T. solium are infective only to pigs but not humans

Taeniasis due to T. asiatica has no major impact on human health

Man is the definitive host of T. solium when ingest the larva and can be intermediate host also.

The eggs of T. saginata are infective only to cattle and not to humans

None

26.

MicroPara

The following methods are reliable in the prevention of STI

Celibacy

Contact tracing and treatment

Use of Intrauterine device

Barrier contraception

None

27.

MicroPara

Concerning genital warts, which one is true?

Cryotherapy has no place in the treatment

Synonymous to cervical cancer

Caused by HSV type II

Treated with topical podophyllin

None

28.

MicroPara

Blood fluke with a lateral spine?

Schistosoma urmom

Schistosoma mansoni

Schistosoma japonicum

Schistosoma haematobium

None

29.

MicroPara

Which of the following options is correct

Sterilization is the elimination of all forms of life except spores

Disinfection is the elimination of vegetative cells and its spores

Disinfectants are suitable for use on human skin

Ethylene oxide is effective at low temperature

None

30.

MicroPara

Intermediate host is

the host, in which the parasite is not usually found. e.g. man for man for cystic echinococcosis.

the host in which sexual reproduction of the parasite takes place

an organism which harbours the parasite and provides nourishment and shelter for it

the host in which the larval or asexual stages of a parasite are found.

None

31.

MicroPara

Infections of the uterine cervix, which one is incorrect

Cause asymptomatic disease in high proportion of cases

Can be caused by Human Papilloma Virus (HPV)

May led to salphingitis, and tubovarian abscess

Always cause vaginal discharge

None

32.

MicroPara

The correct life cycle for hermaphroditic trematodes is

egg-miraidium-sporocyst-2nd gen sporocyst-cercariae

egg-miraidium-sporocyst-redia-cercariae-metacercaria

egg-miraidium-sporocyst-2nd gen sporocyst-cercariae-metacercaria

egg-miraidium-sporocyst-2nd gen sporocyst-redia-cercariae-metacercaria

None

33.

MicroPara

Iatrogenic risk factors for Hospital Acquired Infection

acquired antibiotic resistance

invasive procedures

prudent use of antibiotics and prophylaxis

adherence to basic infection controls

hands of Nursing personnel

None

34.

MicroPara

Cryptococcosis is a disease of ________________

Viral infection

Mycotic infection

Parasitic infection

Bacterial infection

None

35.

MicroPara

The following are reasons for over prescription of antibiotics:

peer pressure

all of the above

company pressure

patient pressure

over confidence

None

36.

MicroPara

This is a feature of subphylum Mastigophora

motile by pseudopodia and amoeboid movement

non-motile

motile by flagella

motile by cilia

None

37.

MicroPara

Who is known as the father of Microbiology?

Edwin John Butler

Ferdinand Cohn

Robert Koch

Antoni van Leeuwenhoek

None

38.

MicroPara

Which one is true regarding disinfection and sterilization?

Ward thermometer is sterilized by boiling

Iodine solution is used to disinfect the skin

Disposable syringes are sterilized by UV radiations

Hypochlorite solution is used to sterilize endoscopes

None

39.

MicroPara

In Chancroid, which of the following is correct?

The initial lesion is painless ulcer

The causative organism is Haemophilius influenza

Metronidazole can be used for treatment

A characteristic gram stain appearance may help in the diagnosis

None

40.

MicroPara

Assume you are asked by a consultant what the most appropriate specimen is for the detection of Human Immunodeficiency Virus

skin

cervical tissue

respiratory specimen

blood

stool

None

41.

MicroPara

Name of the Giant intestinal fluke?

Giardia Lamblia

Fasciolopsis buski

Opisthorchis sinensis

Fasciolopsis hepatica

None

42.

MicroPara

The following are ulcerative STI except

Syphilis

Chancroid

Gonorrhea

Genital herpes

None

43.

MicroPara

The third or infective stage of larva which usually penetrates the skin is known as

Rhabditiform

Raditiform larva

Larvae

filariform larva

None

44.

MicroPara

Concerning moist heat under pressure (autoclaving)

Not a reliable method of sterilization

Autoclaving at 121°C for 15mins

Flash sterilization 270°C for 3mins is good for implants

Suitable for powders, some plastics, anhydrous oils

None

45.

MicroPara

These are rules for use of disinfectants except

Check expiry date

Follow manufacturers' instructions

Always wash and clean articles before disinfection

Ensure topping up

None

46.

MicroPara

Orgamisms where their reproductive stages must undergo further development in an intermediate host are said to ___________

have direct life cycle

be reservoir host

be vectors

have indirect life cycle

None

47.

MicroPara

Types of flagella arrangements in bacteria include the following except

Peritrichous

Ditrichous

Monotrichous

Lophotrichous

None

48.

MicroPara

Categorizing medical device, which one is correct?

Cardiac catheters are semicritical items which require high level disinfection

Endoscopes, cystoscopes and endotracheal tubes are critical items

High level disinfeection is mandatory for non-critical items

Minimum standard required is sterilization for critical items

None

49.

MicroPara

Normal flora are found in the following body sites except

the proximal one third of the male urethra

lower respiratory tract

the entire male urethra

upper respiratory tract

the proximal one third of the female urethra

None

50.

MicroPara

The snail host for Schistosoma hematobium is

Oncomelania

Bulinus

Lymnaea

Biomphalaria

None

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