Explore topic-wise MCQs in Medical Subjects .

This section includes 475 Mcqs, each offering curated multiple-choice questions to sharpen your Medical Subjects knowledge and support exam preparation. Choose a topic below to get started.

51.

Which of the following are correctly matched ?

A. Transfer of antibody from mother to child is through colostrum and acquired passive immunity naturally
B. Injection of antibodies (Hepatitis) is artificially acquired passive immunity
C. Antigenic stimulus given by vaccine (polio) is artificial active immunity
D. All of the above
Answer» E.
52.

Which of the following antibacterial substance is present in eggs and saliva ?

A. Lysozyme
B. Secretozyme
C. Albumin
D. Isozyme
Answer» B. Secretozyme
53.

Which is type II hypersensitivity ?

A. Anaphylaxis
B. Delayed hypersensitivity
C. Immune complex mediated
D. Cytotoxic / cytolytic type
Answer» E.
54.

Which is not true about vibrio cholera_________________?

A. It is non-halophilic
B. Grows on simple media
C. Man is the only natural host
D. Cannot survive in extracellular environment
Answer» E.
55.

Which is false about Wucheraria bancrofti_________________?

A. Causes filariasis
B. Body is slender and long
C. Terminal nuclei absent
D. Man and anapheles mosquito are hosts
Answer» E.
56.

Which does not have a viral etiology______________?

A. Carcinoma Cervix
B. Hepatoma
C. Nasopharyngeal carcinoma
D. Lymphoma
Answer» C. Nasopharyngeal carcinoma
57.

Which component of the cell wall is responsible________________?

A. Region I
B. Region II
C. Region III
D. Boivin antigen
Answer» D. Boivin antigen
58.

When horse serum is injected intravenoulsy in to a rabbit and again in to the skin two or three weeks later, what is the necrotizing reaction that occurs as the site of the second injection________________?

A. Atopy
B. Anaphylaxis
C. Arthus phenomenon
D. Serum sickness
Answer» D. Serum sickness
59.

What is the transport medium for cholera___________________?

A. Tellurite Medium
B. Cary Blair Medium
C. Venkatraman – Ramakrishnan Medium
D. B & C
Answer» E.
60.

What is the sequence which a retro virus follows on entering a host cell ?

A. RNA -DNA-RNA
B. RNA-DNA
C. DNA-RNA
D. DNA-RNA-DNA
Answer» B. RNA-DNA
61.

Wasserman test test is diagnostic of__________________?

A. Syphilis
B. Gonorrhea
C. TB
D. Tyhoid
Answer» B. Gonorrhea
62.

Viruses can be isolated from clinical samples by cultivation in the following except_______________?

A. Tissue culture
B. Embryonated eggs
C. Animals
D. Chemically defined media
Answer» E.
63.

Viruses can be cultured in all except_______________?

A. Chick embryo
B. Blood agar
C. Guinea pigs
D. Cell culture
Answer» C. Guinea pigs
64.

Virus infected cell is killed by________________?

A. Interferons
B. Macrophages
C. Neutrophils
D. Autolysis
Answer» B. Macrophages
65.

Virus are sharply differentiated from bacteria by_______________?

A. Presence of either DNA or RNA
B. Simple structure
C. Complex multiplication
D. All of the above
Answer» E.
66.

Virus is cultured in_______________?

A. Saubourd’s agar
B. Rogosa medium
C. Nonembryonated egg
D. Embryonated egg
Answer» E.
67.

Virulence of Gonococcus is due to___________________?

A. Pili
B. Cell Membrane
C. Its intracellular location
D. Cytolytic enzymes
Answer» B. Cell Membrane
68.

Viron is defined as______________?

A. Extracellular infectious virus particle
B. Smallest virus
C. A smallest particle similar to virus
D. None of the above
Answer» B. Smallest virus
69.

Vibrio cholera was discovered by_________________?

A. Koch
B. Medintoff
C. John snow
D. Virchow
Answer» B. Medintoff
70.

VDRL is a________________?

A. Slide flocculation test
B. Tube flocculation test
C. Tube agglutination test
D. Latex agglutination test
Answer» B. Tube flocculation test
71.

Type of receptor present on T-cells are__________________?

A. Ig A
B. Ig G
C. Prostaglandins
D. CD4
Answer» E.
72.

Type of Human papilloma virus associated with carcinoma cervix_____________?

A. Type 6,12,18
B. 16,18,31
C. 6,8,11
D. 3,10,19
Answer» C. 6,8,11
73.

Type IV hypersensitivity reaction is mediated by which of the following________________?

A. B-cells
B. Active T cells
C. NK cells
D. Plasma cells
Answer» C. NK cells
74.

Type I hypersensitivity is mediated by which of the following immunoglobulins ?

A. IgA
B. IgG
C. IgM
D. IgE
Answer» E.
75.

Tyndallisation is carried out for________________?

A. One day
B. Two successive days
C. 60 minutes
D. Three successive days
Answer» E.
76.

Tuberculin test screens for_____________?

A. Hemoral immunity
B. Cell mediated immunity
C. Complement function
D. Phagocyte dysfunction
Answer» C. Complement function
77.

True about VDRL test________________?

A. Non – Specific
B. Slide flocculation test
C. Best followed for drug therapy
D. All of the above
Answer» E.
78.

True about Toxaplasma gondi is, it is carried by_______________?

A. cats
B. Dogs
C. Rats
D. Cow
Answer» B. Dogs
79.

True about prions________________?

A. Composed largely proteins without any nucleic acid
B. Phase in which virus cannot be demonstrated in host cell
C. Viruses which are genetically deficient
D. Viral components may be synthesized but maturation & assembling is defective
Answer» B. Phase in which virus cannot be demonstrated in host cell
80.

True about immune response of hepatitis B is__________________?

A. Antibody of HBs Ag is associated with resistance to infection
B. Antibody to HBC is not protective
C. Highest titres of anti HBC are found in persistent carriers of HBs Ag
D. CMI disappears soon after recover
Answer» B. Antibody to HBC is not protective
81.

True about HIV are all except______________?

A. DNA virus
B. Attacks CD4 cells
C. Macrophages are the reservoir
D. Decrease CD4 count in late stages
Answer» B. Attacks CD4 cells
82.

Transmission of all of the following intestinal parasites takes place by the feco-oral route except______________?

A. Giardia lambia
B. Ascaris lumbriocoides
C. Strongyloides
D. Entamoeba
Answer» D. Entamoeba
83.

Toxoids are_________________?

A. antigenic and toxic
B. antigenic and non-toxic
C. non-antigenic and toxic
D. non-antigenic and non-toxic
Answer» C. non-antigenic and toxic
84.

Toxic shock syndrome is due to the following virulence factor_____________?

A. M protein
B. Pyrogenic exotoxin
C. Streptolysin 0
D. Carbohydrate cell wall
Answer» C. Streptolysin 0
85.

Thumb print appearance in culture film smear is seen______________?

A. Bacillus anthracis
B. Brucella species
C. Bordetelia pertussis
D. Clostridium weichii
Answer» D. Clostridium weichii
86.

Thread worm is______________?

A. Enterobius
B. Ancylostoma
C. Ascaris
D. Necator
Answer» B. Ancylostoma
87.

The world german measles is applied for_____________?

A. Rubella
B. Rubeola
C. Herpes simplex
D. Herpetic ginglvostomatitis
Answer» B. Rubeola
88.

The Window period in HIV infection means______________?

A. The time lapse between the infection and detection of viral antibodies
B. The time lapse between the infection and development of AIDS
C. The time lapse between obtaining the sample and detection of virus in the lab
D. None of the above
Answer» B. The time lapse between the infection and development of AIDS
89.

The virus which causes Aplastic anemia in chronic hemolytic disease is_______________?

A. Adeno
B. Hepatitis
C. EB virus
D. Parvo virus
Answer» E.
90.

The virus HIV is produced and propagated in_______________?

A. Dendritic cells of the lymphnode germinal epithelium
B. Circulating T4
C. B- lymphocytes
D. Epithelial cells of the sex organs
Answer» C. B- lymphocytes
91.

The virulence factors of Neisseria gonorrhea include all of the following except____________?

A. Outer membrane proteins
B. IgA Protease
C. M-Proteins
D. Pili
Answer» D. Pili
92.

The viral action is differentiated from bacterial action by_________________?

A. Interferon production
B. Toxin production
C. Lymphocytes production
D. Neutrophils production
Answer» B. Toxin production
93.

The usual concentration of agar used in agar medium is___________________?

A. 10%
B. 2%
C. 5%
D. 15%
Answer» C. 5%
94.

The urine sample of a patient has been sent to the laboratory to look for Leptospira. The specimen is to be screened by use of the__________________?

A. Scanning microscope
B. Inverted microscope
C. Dark ground microscope
D. Electron microscope
Answer» D. Electron microscope
95.

The type of immunoglobulin most commonly increased in multiple myeloma is_______________?

A. IgG
B. IgA
C. IgM
D. IgD
Answer» B. IgA
96.

The time gap between appearance of Koplik’s spot and cutaneous rash in measles is________________?

A. 24 Hrs
B. 3-4 days
C. 2 weeks
D. 10 days
Answer» C. 2 weeks
97.

The term epitope refers to________________?

A. complete antigen molecule
B. Hapten
C. Immunogen
D. Smallest antigenic determinant
Answer» E.
98.

The term animalcules to oral microorganisms is given by__________________?

A. Wd miller
B. Leumenhoek
C. Robertson
D. Socranci
Answer» C. Robertson
99.

The temperature required for cultivating mycobacterium________________?

A. 2 degree
B. 0 degree
C. 27 degrees
D. 37 degrees
Answer» E.
100.

The structure in involved in bacterial attachment to cell surface is_______________?

A. Capsule
B. Fimbria
C. Flagella
D. None of the above
Answer» C. Flagella