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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 single most important laboratory test for determining the virulence of staphylococci is___________?
A Mannitol fermentation
B Hemolysis of sheep erythrocytes
C Detection of coagulase
D The catalase test
Correct Answer: Detection of coagulase
Which of the following characteristics of bacteria is not true?
A Unicellular
B Free living
C Having either DNA or RNA
D Cell wall containing muramic acid
Correct Answer: Having either DNA or RNA
Salmonella typhi can be isolated at different times from______________?
A Feaces
B Blood
C Urine
D All of the above
Correct Answer: All of the above
The temperature required for cultivating mycobacterium________________?
A 2 degree
B 0 degree
C 27 degrees
D 37 degrees
Correct Answer: 37 degrees
Silver impregnation method of staining is useful to demonstrate_____________?
A Bacterial flagella
B Spirochetes
C Both of the above
D None of the above
Correct Answer: Both of the above
The difference between sterilization and disinfection is that_______________?
A Disinfection kills all spores but sterilization does not
B Sterilization kills all spores but disinfection does not
C Sterilization involves chemicals and disinfection involves physical methods
D Sterilization is easier to achieve
Correct Answer: Sterilization kills all spores but disinfection does not
Blood agar is________________?
A Simple media
B Transport media
C Enriched media
D Differential media
Correct Answer: Enriched media
By using phase contrast microscope_______________?
A Internal structures are differentiated in living cells
B Internal structures are differentiated in dead cells
C Internal metabolic activities can be observed
D External capsule formation can be observed
Correct Answer: Internal structures are differentiated in living cells
Exotoxins are____________________?
A Lipid-polysaccharide complex
B Protein compound
C Lipoprotein
D
Correct Answer: Protein compound
Zero growth rate is observed during one of the phase of the bacterial growth curve______________?
A Lag
B Exponential growth
C Stationary phase
D Decline
Correct Answer: Stationary phase
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