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Showing posts with the label DNA and RNA viruses

MCQs on Viral pathogenesis: Medical microbiology

                            MCQs on Viral pathogenesis 1. What is the term for the specific molecule or structure on host cells to which a virus attaches? a) Antibody b) Enzyme c) Receptor  d) Pathogen 2. What is a cytopathic effect (CPE) in the context of viral infections? a) A type of antiviral medication b) A viral receptor c) A viral entry mechanism d) Damage or structural changes in host cells caused by viral infection   3. Which immune response is responsible for eliminating virus-infected cells by directly killing them? a) Antigen-presenting response b) Cell-mediated immune response   c) Humoral immune response d) Innate immune response 4. How do RNA viruses replicate in host cells? a) By directly translating their RNA into proteins   b) By using a reverse transcriptase enzyme to make a DNA copy c) By integrating their genome into the host cell's DNA    d) By un...

MCQs and answers (with clinical case) on Monkeypox virus, infection, diagnosis and treatment - Medical microbiology

1)The first 2022 monkeypox virus outbreak occurred in Nigeria. What are the common possible routes of transmission of the virus to humans? Select all the correct answers : a) Humans to humans b) Animals to humans c) Humans to animals d) Animals to animals 2) Monkeypox infection has been declared a public health emergency in 2022 by the World health organization due to the worldwide spread of the virus. According to health agencies in the USA which of the following age group are at higher risk? a)Children 5 to 10 years old b)Males 18 years and above      c)Infants  d)Pregnant women 3)Which of the following are the common symptoms related to monkeypox infection? a) High fever, raised skin lesions, swollen lymph nodes        b) High fever, diarrhea, and vomiting c) High fever, flat skin lesions, vomiting d) High fever, seizures, and loss of appetite 4) Smallpox and monkeypox viruses come under the same genus of viruses known as orthopoxvirus. When wa...

MCQs and answers on Viruses, Structure and pathogenesis (Medical Microbiology)

Pathogenic Viruses, Structure, and pathogenesis  Multiple Choice Question 1) What are the different categories of the classification of viruses?  Select all the correct options below: a) Structure of the viruses b) Transmission of diseases by viruses c) Biochemical properties of the viruses d) Host range of the viruses 2) All of the following are the structural characteristics of the virus, EXCEPT ? a) Virus consists of either DNA or RNA genome b) The outer layer of all viruses consists of a lipid membrane c) The capsid of the viruses is made up of protein d) The size of viruses may range from 18 nm to 300 nm 3) All of the following viruses are resistant to drying and detergents, EXCEPT ? a) Reoviruses b) Adenoviruses c) Picornaviruses d) Togaviruses 4) Which of the following viruses have the genome replication in the nucleus? a) Papillomaviruses b) Picornaviruses c) Togaviruses d) Reoviruses 5) Which of the following virus can...