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Medical Science Mcqs 5254 MCQs [All-Courses]

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Medical Science is the study of human health, diseases, prevention, and treatment, focusing on diagnosis, patient care, and medical research to improve healthcare outcomes.

All Topics  5254

The key cell types involved in the acquired immunity include all EXCEPT________________?
A B lymphocytes
B Erythrocytes
C T lymphocytes
D Antigen presenting cells (APC
Correct Answer: Erythrocytes
Complement factor through which common pathway begins___________________?
A C3
B C5
C C2
D Protein B
Correct Answer: C3
Which of the following organisms does NOT react with gram’s stain ?
A Actinomyces israelii
B Candida albicans
C Mycobacterium tuberculosis
D Streptococcus mutan
Correct Answer: Mycobacterium tuberculosis
Phase contrast microscopy is based on principle of__________________?
A Different refractive indices of object
B Different reflective indices of object
C Light scattering
D Light attenuation
Correct Answer: Different refractive indices of object
Cold sterilization refers to the process of sterilization by use of____________________?
A Ultra violet rays
B Ultrasonic vibrations
C Infrared rays
D Gamma rays
Correct Answer: Gamma rays
The term epitope refers to________________?
A complete antigen molecule
B Hapten
C Immunogen
D Smallest antigenic determinant
Correct Answer: Smallest antigenic determinant
The Process of attenuation can be achieved by all except___________________?
A Growing bacteria in adverse environment
B Growing bacteria in unconventional host
C Serial passage in an experimental host
D Repeated cultures in artificial media
Correct Answer: Serial passage in an experimental host
Post streptococcal acute glomerulo nephritis is an example of________________?
A Type I hypersensitivity
B Type II hypersensitivity
C Type III hypersensitivity
D Type IV hypersensitivity
Correct Answer: Type III hypersensitivity
Bacterial cell does not possess___________________?
A dna
B Ribosome
C Mitochondria
D Cell wall
Correct Answer: Mitochondria
The Manufacturing unit of surgical needle & sutures are sterilized by ________________?
A Gamma-Rays
B X-Rays
C Autoclaving
D Boiling
Correct Answer: Gamma-Rays
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