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Microbiology and Immunology Quiz

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Questions and Answers

What type of cell division do bacterial cells undergo?

Electrolysis

Mitosis

Binary Fission (correct)

Meiosis

How are Leptospira species typically transmitted to humans?

Through contact with contaminated food

Through animal bites

Through contact with urine from an infected animal (correct)

Through respiratory secretions

What is a characteristic of B-cells that is not found in T-cells?

CD3

Surface immunoglobulin (correct)

Class I MHC

Polyclonal activation by concanavalin A

What is the primary mode of transmission for listeriosis?

Contaminated food Signup and view all the answers

Which bacterium is an obligate parasite?

Mycobacterium leprae Signup and view all the answers

What is a classic symptom of pertussis?

Paroxysmal coughing Signup and view all the answers

Which of the following viruses is not oncogenic?

HCV Signup and view all the answers

What is the primary method of laboratory diagnosis for HIV infection?

Detection of antigen and antibodies Signup and view all the answers

What is a primer in molecular biology?

A short sequence of oligonucleotide Signup and view all the answers

Which of the following is NOT a direct viral diagnostic technique?

Biochemical tests Signup and view all the answers

What is the first step in all virus infection?

Attachment to cell receptor Signup and view all the answers

Rubella has the most serious consequences in:

Pregnant Women Signup and view all the answers

What is the type of mutation that involves a change in a single base pair?

Point mutation Signup and view all the answers

Which of the following microorganisms does not have an outer capsule?

Staphylococcus aureus Signup and view all the answers

What is the function of the enzyme Reverse Transcriptase in HIV-1?

Converting RNA to DNA Signup and view all the answers

Which of the following is a hallmark of the adaptive immune system?

Specificity and Memory Signup and view all the answers

What is the primary mode of transmission of Leptospira?

Contact with urine from infected animal Signup and view all the answers

Which of the following bacteria is commonly associated with food intoxication?