KAPNIEL MICRO PARA

100問 • 2年前

問題一覧

Which tapeworm with a scolex having 4 suckers and proboscis may occasionally cause cysticercosis in humans? A. Spirometra mansonoides B. Echinococcus multicularis C. Taenia multiceps D. Taenia solium

D. Taenia solium

The only known human tapeworm with an operculum a) Diphyllobothrium latum b) Hymenolepis nana c) Giardia lamblia d) Schistosoma haematobium

a) Diphyllobothrium latum

Which is an activity during the pre-analytical phase of Parasitology testing? A. Correct patient identification. B. Use of controls c. Standardized reporting of parasite concentration. D. Ensure proper storage of reagents and stains being used

A. Correct patient identification

Form spores except: a) B. anthracis b) B. subtilis c) B. cereus d) B. fragilis

d) B. fragilis

Protozoa that live in the blood or tissue of humans are transmitted to other humans by a/ an vector. A. arthropod B. human c. dust particle D. plant

A. arthropod

Responsible for souring of milk: a) Lactobacillus acidophilus b) Lactobacillus casei c) Lactobacillus reuteri d) Lactobacillus plantarum

a) Lactobacillus acidophilus

What is the unique morphological feature of Spirochetes? A. Presence of sterols in the cell wall B. Motility without flagella C. Lack of cell wall D. Lack of plasma membrane

B. Motility without flagella

If the ova of this parasite are ingested by humans, the oncosphere form can migrate through the body via the bloodstream, resulting in the condition known as cysticercosis. Which of the following is correct? a) Taenia solium b) Entamoeba histolytica c) Hymenolepis nana d) Clonorchis sinensis

a) Taenia solium

Which organisms grow at 44 or 44.5 degrees c and ferment lactose to produce acid and gas? A. Amoeba B. Thermotolerant coliform C. Streptococci D. Bacteria of fecal origin

B. Thermotolerant coliform

Ova recovered from the stool are routinely used to diagnose infections caused by all of the following except? a) Necator americanus b) Ascaris lubricoides c) Trichuris trichiura d) Strongyloides stercoralis

d) Strongyloides stercoralis

Which is a measure of the total number of aerobic bacteria in milk ? A. Direct Microscopic Count B. Milk Urea Nitogen c. Standard Plate count D. Somatic Cell Count

c. Standard Plate count

Gram (-) Diplococci, Growth on CAP and BAP a) N. meningitidis b) N. gonorrhoea c) Haemophilus spp. d) NOTA

a) N. meningitidis

What is a test that identifies the presence of drug — resistant TB? A. Microscopy B. DNA-based C. Culture D. Serology

B. DNA-based

In T. solium infection, man serves as: a) Intermediate host b) Definitive host c) Both d) Neither

c) Both

A type of quality assurance scheme that makes use of unknown controls to assess staff competency is known as A. SOPS B. proficiency testing C. CLIA D. quality control testing

C. CLIA

Mode of transmission of P. westermani: a) Ingestion of aquatic vegetables b) Skin penetration c) Ingestion of uncooked crabs/ crayfish d) Ingestion of uncooked pork

c) Ingestion of uncooked crabs/ crayfish

Sabouraud's dextrose agar is most useful as a A. medium for identiication of Cryptococcus neoformans B. medium for the subculture of fungi recovered on enriched medium C. primary isolation medium D. rich medium for growing a wide range of fungi

B. medium for the subculture of fungi recovered on enriched medium

Which is correct? a) Beta hemolysis- complete hemolysis b) Gamma hemolysis- partial hemolysis c) Alpha- no hemolysis

a) Beta hemolysis- complete hemolysis

The oocysts of this protozoan infects warmblooded animals has the following characteristics: * survive in the environment for several months to more than 1 year xresistant to disinfectants, freezing and drying * killed by heating to 70 degree C Identify the most probable organism involved A. Trichomonas tenax B. Toxoplasma gondii C. Naegleria fowleri D. Balamuthia mandrillaris

B. Toxoplasma gondii

Principle of Quebec colony counter: a) Brightfield b) Dark field c) Fluorescent d) NOTA

b) Dark field

What staining method is often used to identify trichomonads? A. Acid Fast B. Giemsa C. Pap D. Wright

B. Giemsa

To read the hemolytic reaction on a blood agar plate accurately, the technologist must hold the plate up to the light and observe the plate with the light coming from: a) Infront b) Behind c) Below d) Above

b) Behind

How is the result of H2S test interpreted when there is no black precipitate formed? A. Doubtful B. Negative C. Indeterminate D. Positive

B. Negative

Specimen container for CSF: a) anaerobic transporter Bailey b) sterile, screw-cap tube c) sterile, leakproof container d) sterile, screw-top container

b) sterile, screw-cap tube

An organism with indole (-), urea (+) is suggestive of: A. E. tarda B. P. vulgaris C. S. typhi D. P. mirabilis

D. P. mirabilis

Schistosoma spp. with small lateral spine, unoperculated, embryonated a) S. japonicum b) S. mansoni c) S.mekongi d) S. intercalatum

a) S. japonicum b) S. mansoni

A structure that helps in the locomotion of certain forms of bacteria is: A. flagellum B. Pili C. cilium D. fimbria

A. flagellum

For trichrome staining, smear microscopically utilize what objective? a) 10x b) 100x c) 4x d) 40x

b) 100x

What must be done if a stool sample cannot be submitted to the laboratory for immediate testing? A. Add saline solution B. Add ethyl alcohol C. Place the specimen in the freezer at O deg Celsius D. Refrigerate for no longer than 24 hrs

D. Refrigerate for no longer than 24 hrs

Which of the following match is correctly matched? a) Leptospirosis — acquired through kissing b) R. prowazekii - transmitted by lice c) Deer fly - tularemia d) NOTA

b) R. prowazekii - transmitted by lice

The method that gives an antimicrobial a concentration resulting in a 99.9% reduction in CFU/ml compared with the organism concentration in the original inoculum is recorded as _. A. MBC B. ESBL C. MIB D. MIC

A. MBC

Stain of choice for blood films for malarial parasites: a) Hematoxylin b) Wright c) Giemsa d) Methylene blue

c) Giemsa

All genera in the list given grow on 5% Sheep Blood Agar and chocolate Agar but not in MAC, EXCEPT: A. Staphylococcus B. Erysipelothrix C. Gardnerella D. Lactobacillus

A. Staphylococcus

Purpose of mordant in gram staining: a) dye fixative b) secondary stain c) reinforcing stain d) differentiation

a) dye fixative

This evidence indicates that E. histolytica trophozoites interact with the host through a series of steps: a. adhesion to the target cell b. phagocytosis c. cytopathic effect d. AOTA

d. AOTA

What type of incubator is used in an automated Microbiology laboratory where individual plates are placed in their own shelves allowing for a homogenous atmosphere to bring culture plates to their optimal conditions faster? A. Shaking B. Humidity incubator C. Oven incubator D. Smart incubator

D. Smart incubator

Immunoassays can be used in detecting which parasite? a) Malaria b) Clonorchis sinensis c) Trichuris d) Ascaris

a) Malaria

A part of the compound microscope that gathers and focuses light from the illuminator into the specimen being viewed is the A. iris diaphragm B. lens C. aperture D. condenser

D. condenser

Transport media for V. cholerae: a) Stuart b) Amies c) Cary-Blair d) Buffered glycerol

c) Cary-Blair

In the semi-quantitative method of susceptibility testing, the concentration of the antibiotic is highest at the A. edge B. center C. middle third D. under surface

B. center

The indicator used for SSA (salmonella-Shigella agar): a) Phenol red b) Neutral Red c) Bromthymol blue d) Bromcresol purple

b) Neutral Red

To ensure accurate diagnosis of viral disease, it is imperative to collect specimen during the ____phase of the infection. A. lag B. acute C. chronic D. incubation

B. acute

Which organism would demonstrate a cherry red color in indole test: a) P. aeruginosa b) K. pneumoniae c) Enterobacteriaceae d) Streptococci

c) Enterobacteriaceae

What is the role of charcoal in liquid media for blood culture? A. Maintains survival of organisms in changing environmental conditions B. Absorbs fatty acids that could kill fastidious organisms C. Prevents clotting of blood in agar D. Maintains the appropriate colony counts in urine culture

B. Absorbs fatty acids that could kill fastidious organisms

McFarland standard, which is commercially available, provides an optical density comparable to the density of a bacterial suspension of: a) 1.5 b) 0.5 c) 0.05 d) 1

b) 0.5

A patient tested for ASO titer. The result is > 200 units/ ml. What organism is the most probable etiologic agent? A. Mycobacterium spp. B. Enterobacteriaceae spp C. Streptococcus spp D. Staphylococcus spp

C. Streptococcus spp

Trichuris trichiura is also known as a) Threadworm b) Whipworm c) Pudoc worm d) Pinworm

b) Whipworm

In select tapeworms, what is the fleshy extension with attached hooks A. Flagellum B. Villus C. Rostellum D. Proglottid

C. Rostellum

Indicator organisms used to detect bacterial contamination in drinking water: a) Turbidity b) Growth c) Colony d) Coliform

d) Coliform

In which of the following are yeasts BEST utilized? A. Food production B. Manufacture of drugs and medicines C. Ethanol production D. Breakdown of organic materials

D. Breakdown of organic materials

Chlamydia CANNOT be recovered in what specimen: a) Vaginal swab b) Endocervical swab c) Urine d) blood e) Liquid-based cytology

d) blood

A lymphatic filarial parasite resembling W. bancrofti that do not typically cause lymphadenitis in the genital regions is A. Ancylostoma spp B. Brugia spp C. E. vermicularis D. T. spiralis

B. Brugia spp

Differentiates Clostridium from nonsporeforming anaerobic bacilli (bacteroides) a) Ethanol shock test b) Heat shock spore test c) Either d) Neither

c) Either

Which parasite is also called a Chinese liver fluke? A. Paragonimus westermanii B. Clonorchis sinensis C. Taenia saginata D. Fasciola hepatica

B. Clonorchis sinensis

Burn chocolate odor: a) Salmonella b) P. multocida c) Proteus spp. d)NOTA

c) Proteus spp.

Helminth ova are more likely to be seen in ___stools A. soft B. formed stool C. semi-formed D. liquid

B. formed stool

These infections are associated with Chloangiocarcinoma a) Clonorchis and Opistorchis b) Ascaris and Trichuris c) Cestodes d) E. vermicularis

a) Clonorchis and Opistorchis

What is the required minimum PPE inside the laboratory? A. Face shield B. Safety glasses C. Lab coat D. Gloves Lahat pwede sagot, pero ito nabasa ko sa google, ikaw bahala mag sagot

Lahat pwede sagot,

Enterobius vermicularis, a roundworm parasite commonly found in children. Where does adult female worm migrate out of anus during at night? a) Female worm doesn’t migrate b) Anal area c) perianal area d) Bandc

c) perianal area

What Gram positive organism causes antibiotic-associated diarrhea that is seen as yellow ground-glass colonies on cycloserine cefoxitin fructose agar? A. Clostridium tetani B. Clostridium difficile C. Clostridium perfringens D. Clostridium botulinum

B. Clostridium difficile

Actinomyces are: a) Gram positive bacilli, facultative b) Gram negative bacilli, facultative c) Gram positive coccobacilli, nonfacultative d) Gram negative coccobacilli, nonfacultative

a) Gram positive bacilli, facultative

Which organism has the following characteristics? * quadrate scolex, * no rostellum or hooklets * 4 suckers A. Hymenolepis nana B. Dipylidium caninum c. Diphyllobothrium latum D. Taenia saginata

D. Taenia saginata

Which of the following is the specimen of choice for detecting rotavirus? a) Throat swab b) Urine sample c) Bronchoalveolar wash d) feces sample

d) feces sample

What method of Antimicrobial Susceptibility testing is based on the determination of an inhibition zone proportional to the bacteria susceptibility to the antimicrobial present in the disk? A. Disk diffusion B. Broth dilution C. Agar dilution D. Gradient strips

A. Disk diffusion

Which of the following specimens would be best for identifying Bacillus cereus as the cause of an outbreak of food poisoning? a) Blood b) Rectal swabs c) Stool samples d) food

d) food

Which is the most common cestode in humans with infection prevalence highest among children and in warm climates with poor sanitation facilities? A. Taenia solium B. Echinococcus granulosus C. Diphyllobothrium latum D. Hymenolepis nana

D. Hymenolepis nana

Suspected C. difficile infection requires collection of which specimen a) Blood b) Urine c) Stool samples d) Food particles

c) Stool samples

Identify the organism belonging to the Enterobacteriaceae giving the following results: * Lactose (-) *K/ATSI, * nonmotile at 35° C A. Edwardsiella B. Klebsiella C. Salmonella D. Shigella

D. Shigella

TCBS agar: a) Vibrio b) Salmonella c) Shigella d) Plesiomonas

a) Vibrio

Which is an error during the pre-analytic phase of testing? A. Undetected failure in quality control B. Instrument malfunction C. Contamination from infusion route D. Specimen interference

C. Contamination from infusion route

What does V in IMVC stands for? a) Virulence b) Vogues- Poskauer c) Verotoxin d) Vitamin

b) Vogues- Poskauer

Which is the CORRECT sequence of the Gram staining procedure? A. crystal violet, safranin, iodine, alcohol B. crystal violet, alcohol , iodine, safranin C. crystal violet, iodine, alcohol , safranin D. crystal violet, iodine , safranin, alcohol

C. crystal violet, iodine, alcohol , safranin

Samples (2) for detection of microsporidia: a) Fresh b) Refrigerated c) Ethanol fixed d) Formalin fixed

d) Formalin fixed

An oncology nurse from YYY General Hospital collected bronchial washing Specimen from a 70 year old female receiving chemotherapy and sent the laboratory. Microscopic examination revealed a gram positive and partially colored acid fast organism. Biochemical tests showed the following: * negative: hydrolysis in casein, tyrosine, and xanthine * positive: catalase What organism is most identifiable with the foregoing characteristics? A. Streptomyces somaliens B. Nocardia asteroides C. Actinomadura madurae D. Nocardia caviae

B. Nocardia asteroides

To prevent condensation droplets from falling onto the surface of the agar, the petri dishes should be? a) inverted b) Flat c) Plane straight d) Upside

a) inverted

In how many days is quantitative fecal fat done? A. four B. three C. two D. two

B. three

TSl= A/A VP=+ Urease= + Indole= Neg Citrate= + Motility= Neg MR= Neg H2S= Neg a) Serratia marcescens b) Proteus vulgaris c) Enterobacter cloacae d) Klebsiella pneumoniae

d) Klebsiella pneumoniae

Bacteria from the human gut grow well at ____degrees C A. 60 B. 50 C. 37 D. 38

C. 37

TSl= A/A gas VP= Neg H2S= Neg Urease= Neg PD= Neg Indole= + MR= + Citrate= Neg Lysine decarboxylase= + a) Proteus vulgaris b) Salmonella typhi c) Yersinia enterocolitica d) Escherichia coli

d) Escherichia coli

which test can distinguish M. tuberculosis from M.bovis where a positive test (canary yellow color is given A. Hydroxylamine B. Nitrate C. Niacin D. Nitrite

C. Niacin

H2S (TSI)= Neg MR= Neg Dnase= + Urease= Neg PD= Neg Ornithine and lysine decarboxylase= + Arginine decarboxylase= Neg Gelatin hydrolysis= + Indole= Neg VP=+ Citrate= + a) Proteus vulgaris b) Serratia marcescens c) Proteus mirabilis d) Enterobacter cloacae

b) Serratia marcescens

The urine sample of a patient has the following laboratory results from Microbiology section *>100,000 CFU/mL of Gram-negative bacilli isolated on MacConkey Agar *glucose with acid and gas, * indole (-) * urea (+) * H2S (+) The organism is most likely. A. Proteus vulgaris B. Providencia stuartii C. Proteus mirabilis D. Morganella morganii

C. Proteus mirabilis

Which does not describe laminar flow cabinet? a) Air flows towards the face of the personnel b) Made of steel c) Has HEPA filter d) Controlled work surface

a) Air flows towards the face of the personnel

Which of the following does NOT apply to a right result? A. right reference data B. right patient C. right specimen D. right price

D. right price

Which is true regarding sedimentation techniques? a) Solution has higher specific gravity than the parasitic organisms b) Solvent has lower specific gravity than the parisitic organism c) Solution has an equal specific gravity to the parasitic organisms d) Specific gravity may not always affect sedimentation techniques

b) Solvent has lower specific gravity than the parisitic organism

Which is a nonmotile, non-spore-forming, obligate aerobe that often appears beaded or unstained using Gram stain but forms stable mycolate complexes with arylmethane dyes? A. Neisseria spp. B. Klebsiella peumoniae C. Mycobacterium tuberculosis D. Strep.pneumoniae

C. Mycobacterium tuberculosis

Which CANNOT be recovered in fresh stool specimens? a) Stongyloides stercoralis b) E. histolytica trophozoite c) Ascaris lumbricoides adult d) T. trichiura egg

a) Stongyloides stercoralis

What trematode eggs can only be found in fecal specimens? A. S. mansoni B. S. intercalatum C. s. japonicum D.S. haematobium

B. S. intercalatum

Infective stage of Ascaris? a) Unfertilized egg b) Embryonated egg c) L3 larva d) Adult worm

b) Embryonated egg

In the Formal Ether Sedimentation Technique, the top layer consists of A. formalin B. plug of debris C. ethyl acetate D. parasitic elements

B. plug of debris

In trichrome staining for protozoa, which is used? a) Oil immersion b) Dry, HPO c) Dry, LPO d) Scanner

a) Oil immersion

What is the traditional diagnostic specimen to test for Chlamydia in males? A. Rectal swabs B. Urethral swabs C. Serum D. Urine

B. Urethral swabs

Cysticercosis is caused by? a) Ingestion of larvae b) Ingestion of egg c) skin penetration d) inhalation of egg

b) Ingestion of egg

What instrument is used to check the speed of a clinical centrifuge? A. Speed scale B. Beam balance C. Caliper D. Tachometer

D. Tachometer

T. solium and T. saginata can be differentiated through? a) eggs b) uterine branches c) gravid proglottids d) T. solium with more uterine branches than T. Saginata

b) uterine branches

In the surgical treatment of echinococcosis, a scolicidal agent like__ is injected in to the cyst/s to sterilize the area prior to removal of the cysts. A. acetone B. KOH C. 10% formalin D. india ink

C. 10% formalin

Dimorphic fungi are at room temperature a) Yeast b) Mold c) Either d) Neither

b) Mold

What staining technique is used to detect small protozoa missed by wet mount examination? A. Methyl red B. Gram C. Pap D. Trichrome

D. Trichrome

Used for the confirmed test for bacteria in water testing, except a) Lactose broth b) BGBL broth c) EMB d) ENDO agar

c) EMB

100

The results of blood smear from EDTA tube of a patient is as follows: * crescent-shaped gametocytes *presence of all sizes of red blood cells * Maurer's dots * multiple delicate rings with two (2) chromatin dots in red cells What is the most likely organism identified? A. Plasmodium vivax B. Plasmodium falciparum C. Plasmodium knowlesi D. Plasmodium ovale

B. Plasmodium falciparum

other names parasitology

Yves Laure Pimentel · 70問 · 2年前

other names parasitology