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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 bacterial cell wall has all of the following properties except______________?
A It consists of a mixed polymer called peptidoglycon
B It is the structure principally responsible for the reaction of gram staining
C It is a unique flexible plastic structure
D It contains D-isomers of amino acids
Correct Answer: It is a unique flexible plastic structure
Each of the following can cause food poisoning except________________?
A Cl. difficile
B Staphylococcus
C Cl. welchii
D Cl. botulinum
Correct Answer: Cl. difficile
The following are applicable to bacterial genoms except________________?
A It is composed of DNA
B It doe not contain histones
C It is circular
D Its DNA has both introns and extrons
Correct Answer: Its DNA has both introns and extrons
Electron microscopic examination of the bacterial flora of necrotising ulcerative gingivitis indicates the presence of microorganisms within non-necrotic tissues in advance of other bacteria. The organisms involved are______________?
A Cocci
B Spirochetes
C Bacteriophages
D Filamentous rods
Correct Answer: Spirochetes
The structure in involved in bacterial attachment to cell surface is_______________?
A Capsule
B Fimbria
C Flagella
D None of the above
Correct Answer: Fimbria
Signs of tyhoid fever is/are_____________________?
A Haemorrhage
B perforation
C Osteomyelitis
D All of the above
Correct Answer: All of the above
In initial stages of tyhoid, salmonella can be detected in________________?
A Feacus
B Urine
C Blood
D All of the above
Correct Answer: Blood
The mechanism of genetic transfer where a phage serves as a vehicle is_______________?
A Transformation
B Translation
C Conjugation
D Lysogeny
Correct Answer: Lysogeny
Dorset’s egg medium is used for cultivation of______________?
A Staphylococcus
B Streptococcus
C Gonococcus
D Mycobacterium
Correct Answer: Mycobacterium
Culture medium for corynebacterium diphtheria_______________?
A Loefflers serum slope
B Mc Conkey
C Saboraud agar
D Lowenstein Jensen medium
Correct Answer: Loefflers serum slope
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