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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

Which of the following structures, found external to the bacterial cell wall, are involved in bacterial attachment to cell surfaces?
A Capsule
B Flagella
C Pili
D Mesosomes
Correct Answer: Pili
Loss of capsule in bacteria is generally associated with______________?
A Decease in virulence
B Loss of infectivity
C Inability to spread through tissue
D increase in invasiveness
Correct Answer: Decease in virulence
Nagglers reaction is used in the diagnosis of______________?
A Malaria
B Whooping cough
C Gas gangrene
D Wool sorters disease
Correct Answer: Gas gangrene
The commonly used fluorescent dye in the detection of tubercie bacilli________________?
A Acridine orange
B Thioglavin
C Congo red
D Auramine and Rhodamine
Correct Answer: Auramine and Rhodamine
Actinomycosis is caused by______________?
A Fungus
B Acid fast, non-motile bacillus
C Anaerobic, gram positive, non-acid fast bacteria.
D Retrovirus
Correct Answer: Anaerobic, gram positive, non-acid fast bacteria.
The facultative anaerobic bacteria are those who are_______________?
A Unable to grow in the presence of oxygen
B Unable to grow in the absence of oxygen
C Able to grow in the presence of carbon dioxide
D Able to grow in the presence of absence of oxygen
Correct Answer: Able to grow in the presence of absence of oxygen
One of the following is a zoonotic disease_____________?
A Anthrax
B Typhoid
C Bacillary dysentery
D Cholera
Correct Answer: Anthrax
Common inhabitant of throat and tonsils is______________?
A Alpha hymolytic streptococci (S. viridans)
B Staphylococci
C Beta hemolytic streptococci
D Pneumococci
Correct Answer: Alpha hymolytic streptococci (S. viridans)
Resistance of Staphylococcus aureus is due to ________________________?
A Pleomorphism
B Elaboration of an enzyme that destroy penicillin
C Penicillin analogue production
D Lack of nucleic acid in the cell wall
Correct Answer: Elaboration of an enzyme that destroy penicillin
Malignant pustule is referred to_________________?
A Facio-cervical actinomycosis
B Cutaneous anthrax
C Infected squamous cell carcinoma
D None of the above
Correct Answer: Cutaneous anthrax
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