Its concluded in the scientific world virus could be cured rather than a bacteria: True/False
True
False
The Correct Answer is B
Viruses cannot be “cured” in the same way bacterial infections can be treated with antibiotics. Antibiotics target specific structures or processes in bacteria, such as cell walls or protein synthesis, which viruses lack. Viral infections are managed with antiviral medications that inhibit replication or reduce symptoms, but these treatments do not completely eradicate all viruses from the body in many cases. In contrast, bacterial infections can often be fully eliminated with appropriate antibiotics. Vaccines can prevent viral infections, but once a virus has established infection, there is no universal cure comparable to antibiotics for bacteria.
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Naxlex Comprehensive Predictor Exams
Related Questions
Correct Answer is B
Explanation
Cocci in clusters with a thick peptidoglycan layer are characteristic of Gram-positive bacteria, such as Staphylococcusspecies. During Gram staining, the thick peptidoglycan retains the crystal violet-iodine complex, causing the bacteria to appear purple under the microscope. This structural feature also contributes to resistance to osmotic stress and plays a role in pathogenicity. Gram-positive identification helps guide antibiotic selection, as these bacteria typically respond to agents targeting the cell wall. Gram-negative bacteria have a thin peptidoglycan layer and an outer membrane containing lipopolysaccharides. They do not retain the crystal violet stain and appear pink or red after the counterstain (safranin) is applied.
Correct Answer is B
Explanation
A. Ehrlich: Paul Ehrlich is known for his work in immunology and chemotherapy, including the development of the concept of the “magic bullet” and the discovery of salvarsan for treating syphilis. While his work advanced the understanding of targeted therapies, he was not the first to develop vaccines.
B. Jenner: Edward Jenner is credited with developing the first successful vaccination. In 1796, he inoculated a boy with material from cowpox lesions and demonstrated that it conferred immunity against smallpox. This pioneering work established the principle of using a related, less virulent pathogen to prevent disease.
C. Lister: Joseph Lister introduced antiseptic surgery using carbolic acid to reduce postoperative infections. His contributions advanced surgical safety but did not involve the development of vaccines or active immunization.
D. Koch: Robert Koch provided experimental proof that specific microbes cause specific diseases through Koch’s postulates. While foundational in microbiology, he did not develop vaccines.
E. Escherich: Theodor Escherich discovered Escherichia coliand contributed to bacteriology and pediatric infectious disease research. His work focused on bacterial identification, not vaccination.
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