Medical MCQs

Option A: Ribonuclease

Option B: Reverse transcriptase

Option C: DNA polymerase

Option D: Restriction endonuclease

Correct Answer: Reverse transcriptase ✔

Option A: Virus

Option B: Bacteria

Option C: Parasite

Option D: Bacteria superadded on virus

Correct Answer: Virus ✔

Option A: Protein synthesis

Option B: DNA/RNA replication

Option C: When virus enters the cell

Option D: Uncoating of the virus proteins capsule

Correct Answer: Protein synthesis ✔

Option A: Mycobacteria

Option B: Spore

Option C: Prions

Option D: Coccidia

Correct Answer: Prions ✔

Option A: Echo virus

Option B: Hepatitis C

Option C: HIV

Option D: Orthomyxovirus

Correct Answer: Orthomyxovirus ✔

Option A: Verruca vulgaris

Option B: Focal epithelial hyperplasia

Option C: Condyloma acuminatum

Option D: Keratoacanthoma

Correct Answer: Keratoacanthoma ✔

Option A: Readily inactivated by autoclave at 121 C

Option B: Evokes strong immunogenic reaction

Option C: Sensitive to most chemical sterilization

Option D: Contains DNA/ RNA

Correct Answer: Readily inactivated by autoclave at 121 C ✔

Option A: Hepatitis B virus

Option B: Hepatitis C virus

Option C: Hepatitis E virus

Option D: Hepatitis A virus

Correct Answer: Hepatitis E virus ✔

Option A: Sialoperoxidase

Option B: Secretory IgA

Option C: Salivary leukocyte proteinase inhibitor

Option D: Histidine rich proteins

Correct Answer: Salivary leukocyte proteinase inhibitor ✔

Option A: Inactive carrier

Option B: Healthy carrier

Option C: Convalscent carrier

Option D: Paradoxical carrier

Correct Answer: Convalscent carrier ✔

Option A: Saubourd’s agar

Option B: Rogosa medium

Option C: Nonembryonated egg

Option D: Embryonated egg

Correct Answer: Embryonated egg ✔

Option A: Above 600

Option B: Between 1000-2000

Option C: Below 200

Option D: Above 2000

Correct Answer: Below 200 ✔

Option A: Hanta virus pulmonary syndrome is caused by inhalation of rodent urine and faces

Option B: Kyanasur forest disease is caused by bite of wild animal

Option C: Lyssa virus is transmitted by ticks

Option D: None of the above

Correct Answer: Hanta virus pulmonary syndrome is caused by inhalation of rodent urine and faces ✔

Option A: Rubella

Option B: Rubeola

Option C: Herpes simplex

Option D: Herpetic ginglvostomatitis

Correct Answer: Rubella ✔

Option A: IgM antibodies in serum

Option B: Isolation form stool

Option C: Culture from blood

Option D: Isolation from bile

Correct Answer: IgM antibodies in serum ✔

Option A: Cowpox

Option B: Molluscum contagiosum

Option C: Small pox

Option D: chicken pox

Correct Answer: chicken pox ✔

Option A: Surface antigen

Option B: Surface antibody

Option C: Core antigen

Option D: Core antibody

Correct Answer: Surface antigen ✔

Option A: Less sensitive less specific

Option B: More sensitive, more specific

Option C: Less sensitive, more specific

Option D: More sensitive, less specific

Correct Answer: More sensitive, less specific ✔

Option A: Adeno

Option B: Hepatitis

Option C: EB virus

Option D: Parvo virus

Correct Answer: Parvo virus ✔

Option A: CD8 T-cells

Option B: CD4 T-cells

Option C: B – cells

Option D: NK – cells

Correct Answer: CD4 T-cells ✔

Option A: HBc Ag

Option B: HBs Ag

Option C: Hbe Ag

Option D: HBx Ag

Correct Answer: HBx Ag ✔

Option A: Hepatitis A

Option B: Hepatitis B

Option C: CMV

Option D: EBV

Correct Answer: CMV ✔

Option A: Nasopharyngeal carcinoma

Option B: Burkitt’s lymphoma

Option C: Hepatoma

Option D: Infectious mononucleosis

Correct Answer: Hepatoma ✔

Option A: Carcinoma

Option B: Kaposi’s sarcoma

Option C: Melanoma

Option D: Ewing’s sarcoma

Correct Answer: B. Kaposi’s sarcoma ✔

Option A: Helper T lymphocytes

Option B: Natural killer cells

Option C: Plasma cells

Option D: Macrophages

Correct Answer: Helper T lymphocytes ✔

Option A: Picorna viruses

Option B: Herpes viruses

Option C: Hepadana viruses

Option D: Flavi viruses

Correct Answer: Flavi viruses ✔

Option A: Tissue culture

Option B: Embryonated eggs

Option C: Animals

Option D: Chemically defined media

Correct Answer: Chemically defined media ✔

Option A: ELISA IS – ve

Option B: Western Blot is – ve

Option C: Both are – ve

Option D: PCR is – ve

Correct Answer: C. Both are – ve ✔

Option A: Identification of viral disease

Option B: To separate specific clone of virus

Option C: To maintain certain viral culture

Option D: To prepare vaccines

Correct Answer: Identification of viral disease ✔

Option A: Anopheles

Option B: Aedes

Option C: Culex

Option D: Mansoni

Correct Answer: Aedes ✔

Option A: Capsomere

Option B: Capsid

Option C: Nucleocapsid

Option D: Envelope

Correct Answer: Capsid ✔

Option A: EB virus

Option B: Papilloma virus

Option C: Herpes simplex virus

Option D: Varicella zoster virus

Correct Answer: Herpes simplex virus ✔

Option A: DNA virus

Option B: Attacks CD4 cells

Option C: Macrophages are the reservoir

Option D: Decrease CD4 count in late stages

Correct Answer: DNA virus ✔

Option A: Carcinoma of nasopharynx

Option B: Papilloma

Option C: Infectious mononucleosis

Option D: Burkitt’s lymphoma

Correct Answer: Papilloma ✔

Option A: HB Ag

Option B: HBs AG

Option C: HBV

Option D: None of the above

Correct Answer: HBs AG ✔

Option A: Virus isolation

Option B: Western blot followed by ELISA

Option C: ELISA followed by western blot technique

Option D: Polymers chain reaction

Correct Answer: ELISA followed by western blot technique ✔

Option A: Hepatitis C

Option B: Hepatitis D

Option C: Hepatitis E

Option D: Hepatitis F

Correct Answer: Hepatitis E ✔

Option A: Antibody of HBs Ag is associated with resistance to infection

Option B: Antibody to HBC is not protective

Option C: Highest titres of anti HBC are found in persistent carriers of HBs Ag

Option D: CMI disappears soon after recover

Correct Answer: Antibody of HBs Ag is associated with resistance to infection ✔

Option A: Cytopathic changes in culture cells

Option B: Presence of viral protein in the infected monolayer

Option C: Haemagglutination test

Option D: Haemagglutination inhibition test

Correct Answer: Cytopathic changes in culture cells ✔

Option A: HBV

Option B: IgG anti HAV

Option C: Delta Virus

Option D: HBC Ag

Correct Answer: HBV ✔

Option A: Failure to thrive

Option B: Have infections

Option C: 50% chances to have AIDS

Option D: All are true

Correct Answer: 50% chances to have AIDS ✔

Option A: 24 Hrs

Option B: 3-4 days

Option C: 2 weeks

Option D: 10 days

Correct Answer: 3-4 days ✔

Option A: Cytotropic

Option B: Dermatotropic

Option C: Chromophilic

Option D: Neurotropic

Correct Answer: Neurotropic ✔

Option A: Presence of either DNA or RNA

Option B: Simple structure

Option C: Complex multiplication

Option D: All of the above

Correct Answer: All of the above ✔

Option A: Hepatitis B virus

Option B: Hepatitis C virus

Option C: Hepatitis D virus

Option D: Hepatitis E virus

Correct Answer: Hepatitis E virus ✔

Option A: ELISA

Option B: Immunodot

Option C: RIPA

Option D: Western Blot

Correct Answer: Western Blot ✔

Option A: Robert koch

Option B: Twort and d’herelle

Option C: Menkin

Option D: Metchinkoff

Correct Answer: B. Twort and d’herelle ✔

Option A: Hepatitis B surface antigen in acute hepatitis

Option B: AIDS

Option C: Chronic leukemia

Option D: Basal cell carcinoma

Correct Answer: Hepatitis B surface antigen in acute hepatitis ✔

Option A: in a week and reach a peak in 3 weeks

Option B: only after one year

Option C: no antibodies are present in primary HSV

Option D: antibodies are present in recurrent and chronic apthous stomatitis

Correct Answer: in a week and reach a peak in 3 weeks ✔

Option A: 24 hours

Option B: 6 hours

Option C: 12 hours

Option D: 3 months

Correct Answer: 6 hours ✔

Option A: Chocolate agar

Option B: Robertoson’s cooked-meat broth

Option C: Chorio allantoic membrane

Option D: Sabourad’s agar

Correct Answer: Chorio allantoic membrane ✔

Option A: HIV

Option B: Hepatitis C

Option C: Hepatitis B

Option D: Hepatitis E

Correct Answer: Hepatitis E ✔

Option A: Saliva

Option B: Needle prick injury

Option C: Blood transmission

Option D: Sexual intercourse

Correct Answer: Saliva ✔

Option A: exotoxin production

Option B: lecithinase production

Option C: hypersensitivity

Option D: Coagulase production

Correct Answer: hypersensitivity ✔

Option A: Penicillium

Option B: Aspergillus

Option C: Mucor

Option D: Rhizopus

Correct Answer: Aspergillus ✔

Option A: Tellurite medium

Option B: NNN medium

Option C: Chocolate agar medium

Option D: Sabourauds medium

Correct Answer: Sabourauds medium ✔

Option A: Brain – heart infusion

Option B: Sabouraud’s

Option C: Sabouraud’s plus antibiotics

Option D: Any medium incubated at 35-37°C

Correct Answer: C. Sabouraud’s plus antibiotics ✔

Option A: Subcutaneous tissue

Option B: Systemic organs

Option C: Nails, hair and skin

Option D: Superficial skin and deep tissue

Correct Answer: Nails, hair and skin ✔

Option A: Giardia lambia

Option B: Ascaris lumbriocoides

Option C: Strongyloides

Option D: Entamoeba

Correct Answer: Strongyloides ✔

Option A: Indirect hemagglutination

Option B: ELISA

Option C: Counter immune electroporesis

Option D: Microscopy

Correct Answer: ELISA ✔

Option A: Plasmodium vivax

Option B: Plasmodium falciparum

Option C: Leishmania donovani

Option D: Microfilaria

Correct Answer: Plasmodium falciparum ✔

Option A: Plasmodium ovaie

Option B: Leishman donovani

Option C: Entamoeba histolytica

Option D: Toxoplasma

Correct Answer: Leishman donovani ✔

Option A: coli

Option B: nana

Option C: gingivalis

Option D: histolytica

Correct Answer: gingivalis ✔

Option A: Cysts are 8 nucleated

Option B: Cysts are 4 nucleated

Option C: Trophozoites colonise in the colon

Option D: The chromatid bodies are stained by iodides

Correct Answer: Cysts are 8 nucleated ✔

Option A: Glycogen mass

Option B: Chromatid bars

Option C: Eccentric nucleus

Option D: Refractile nucleus

Correct Answer: Refractile nucleus ✔

Option A: Dot

Option B: Comma

Option C: Banana

Option D: Sickle

Correct Answer: Sickle ✔

Option A: cats

Option B: Dogs

Option C: Rats

Option D: Cow

Correct Answer: cats ✔

Option A: T. Solium

Option B: T. Saginata

Option C: Hook worm

Option D: A. Lumbricoides

Correct Answer: T. Saginata ✔

Option A: Enterobius

Option B: Ancylostoma

Option C: Ascaris

Option D: Necator

Correct Answer: Enterobius ✔

Option A: Hook worm

Option B: Thread worm

Option C: Ascaris

Option D: Guinea worm

Correct Answer: Hook worm ✔

Option A: Ascariasis

Option B: Tapeworm

Option C: Hood worm

Option D: Ascariasis and tapeworm

Correct Answer: Ascariasis ✔

Option A: Methylene blue dextrose agar

Option B: Saboraud’s medium

Option C: Pingolevin

Option D: All of the above

Correct Answer: B. Saboraud’s medium ✔

Option A: Yeast like fungus

Option B: Forms Chlamydospores

Option C: Blastomeres seen in isolates

Option D: Seen in immunocompromised and causes meningitis in them

Correct Answer: Blastomeres seen in isolates ✔

Option A: Penicillium

Option B: Mucor

Option C: Aspergillus

Option D: All of the above

Correct Answer: All of the above ✔

Option A: Kerison

Option B: Alopecia areata

Option C: Pilomatrixoma

Option D: Tenia incognito

Correct Answer: Kerison ✔

Option A: Candida albicans

Option B: Mucor

Option C: Cryptococcus

Option D: Aspergillus

Correct Answer: Candida albicans ✔

Option A: Van Gieson’s stain

Option B: Periodic acid schiff stain

Option C: Masson Trichrome stain

Option D: Toluidine blue stain

Correct Answer: Periodic acid schiff stain ✔

Option A: Noncapsulated fungus infecting man

Option B: Causes meningitis

Option C: Melanin production related to virulence

Option D: Basidiomycetes yeast

Correct Answer: Noncapsulated fungus infecting man ✔

Option A: 2:1

Option B: 1:2

Option C: 3:1

Option D: 1:3

Correct Answer: 2:1 ✔

Option A: Caecum and large intestine

Option B: Duodenum

Option C: Stomach

Option D: Jejunum and Ileum

Correct Answer: Caecum and large intestine ✔

Option A: Giardia lambella

Option B: Isopora belli

Option C: Balantidium coli

Option D: Taenia solium

Correct Answer: Taenia solium ✔

Option A: E coli

Option B: Bifido bacteria

Option C: Staphylococcus

Option D: Salmonella

Correct Answer: Bifido bacteria ✔

Option A: House fly

Option B: Sand fly

Option C: Tick

Option D: Reduvid bug

Correct Answer: Reduvid bug ✔

Option A: M. Kansasii

Option B: M. ulcerans

Option C: M. chelonae

Option D: M. smegmatis

Correct Answer: M. chelonae ✔

Option A: Caused by Calymmatobacterium granulomatis

Option B: Lymphadenopathy is remarkable & diagnostic

Option C: Penicillin is drug of choice

Option D: Characterized by painful genital ulcers

Correct Answer: Caused by Calymmatobacterium granulomatis ✔

Option A: 500

Option B: 200

Option C: 1000

Option D: 300

Correct Answer: 1000 ✔

Option A: India ink preparation

Option B: Methanamine silver stain

Option C: Ziehl-Neelsen stain

Option D: Pyte-ferraco stain

Correct Answer: India ink preparation ✔

Option A: Zygomycetes

Option B: Ascomycetes

Option C: Basidiomycetes

Option D: Deuteromycetes

Correct Answer: Deuteromycetes ✔

Option A: Allo

Option B: ISO

Option C: Xeno

Option D: Auto

Correct Answer: Allo ✔

Option A: Adjuvant

Option B: Proteins

Option C: Polysaccharides

Option D: Lipids

Correct Answer: Proteins ✔

Option A: Hemolysis

Option B: Malabsorption

Option C: Spleen sequestration

Option D: Bone marrow depression

Correct Answer: Malabsorption ✔

Option A: Trench fever

Option B: Relapsing fever

Option C: Q fever

Option D: Epidemic typhus

Correct Answer: Q fever ✔

Option A: Sporozoite

Option B: Gametocyte

Option C: Merozoite

Option D: Zygote

Correct Answer: Gametocyte ✔

Option A: Plasmodium falciparum

Option B: Plasmodium vivax

Option C: Plasmodium malariae

Option D: Plasmodium ovale

Correct Answer: Plasmodium vivax ✔

Option A: Salmonella

Option B: Camphylobacter jejuni

Option C: histolytica

Option D: Y. enterocolitica

Correct Answer: histolytica ✔

Option A: Plasmodium vivax

Option B: Plasmodium malaria

Option C: Plasmodium falciparum

Option D: Plasmodium ovale

Correct Answer: Plasmodium falciparum ✔

Option A: Brain

Option B: Liver

Option C: Spleen

Option D: Lungs

Correct Answer: Liver ✔

Option A: Solar Keratosis

Option B: Malignant pustule

Option C: L. Tropica sore

Option D: Venereal ulcer

Correct Answer: L. Tropica sore ✔

Option A: Brown to black granules

Option B: White to yellow granules

Option C: Red granules

Option D: No granules

Correct Answer: White to yellow granules ✔

Option A: Histoplasmosis

Option B: Rhinosporodiosis

Option C: Phaeohypomycosis

Option D: Chromoblastomycosis

Correct Answer: Chromoblastomycosis ✔