Viral Quizzes & Trivia

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Pathogens are microorganisms that cause disease and we get to understand how they do so by taking a pathogenesis course. Pathogens of all classes must have mechanisms for entering their host and for evading immediate...

Questions: 17  |  Attempts: 181   |  Last updated: Nov 6, 2018
  • Sample Question
    A 1-year-old toddler is admitted to the hospital in February following an abrupt onset of vomiting followed by watery diarrhea accompanied by low-grade fever. On admission, the child appears somnolent, has a fever of 38.8C (101.8F). His pulse is 130/min, respiratory rate 36/min, blood pressure 100/60 mmHg, and decreased skin turgor. Blood tests reveal an elevated white blood cell count (15,000/L) with 75% polymorphonuclear leukocytes. A stool sample is sent to the microbiology lab for analysis. Results reveal watery stools with no mucus, blood, leukocytes or parasites. A rapid antigen test is positive for a naked, segmented, dsRNA virus, so no stool culture is required. The diarrhea suffered by this child can be partially attributed to a viral protein (rotavirus NSP4) that alters the permeability of intestinal epithelial cell tight junctions and inhibits the glucose-coupled Na+ transport of these same cells, thereby increasing osmotic gap. What best describes this virulence mechanism?



Questions: 7  |  Attempts: 304   |  Last updated: Jul 13, 2017
  • Sample Question
    A 15-month-old girl presents in early fall with a fever, hoarseness, a barking cough and inspiratory stridor. Which description best applies to the etiological agent most likely responsible for this disease?

SEROLOGY UNIT 6.4 VIRAL DISEASES

Questions: 84  |  Attempts: 25   |  Last updated: Jan 11, 2013
  • Sample Question
    OBLIGATE INTRACELLULAR  PARASITE CONTAINS WHAT

Which evil mad super-power stickman are you.

Questions: 7  |  Attempts: 50   |  Last updated: Jan 15, 2013
  • Sample Question
    What is your power?

Today we’ll be taking another look at our ever-growing list of medical quizzes, turning our attention to a group of illnesses including Ebola, Marburg, Lassa fever and yellow fever, all of which are examples of viral...

Questions: 16  |  Attempts: 288   |  Last updated: Nov 27, 2018
  • Sample Question
      Working as an entomologist in Thailand, you are responsible for catching Aedes aegypti female mosquitoes in a study aimed at determining the prevalence of arthropod-borne viruses (arboviruses) in local mosquito populations. Results show that 6.5 % of female Aedes aegypti mosquitoes captured carried enveloped, spherical single-stranded, positive-sense RNA viruses about 50 nm in diameter. In this instance, Aedes aegypti female mosquitoes would serve as vector for which of the following diseases?

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Viral Questions & Answers


What underlying condition could allow this? An embolism from the aorta lodges in a vein in the brain.
Arteriovenous malformation-embolisms are almost always going to lodge in an artery since if they can make it through a capillary to get to a vein then they are small enough to pass through a vein. but in arteriovenous malformation arteries can be dir
What is the vector for this virus? Confirmation of Lassa fever is established after comparing pre-immune and immune sera from the patient.
1. rodent-technically, rodent is the reservoir and the vector is aerosolized urine, feces or saliva; but these options are not offered so that the best answer still remains c. just thought it would be good practice for technically incorrect questions
Which option completes this sentence? A 28 yr-old nurse has complaints of itching and a rash of both hands. Contact dermatitis is initially suspected. The diagnosis is confirmed if the rash...
1. erythematous with raised papules-contact dermatitis is caused by exposure to a physical or chemical allergen, such as cleaning products, skin care products, and latex gloves. initial symptoms of itching, erythema, and raised papules occur at the s
Which diseases are spread by the female Aedes Aegypti mosquitos?
1. dengue-2.2. dengue2.2.1. etiology dengue viruses types:o single-stranded positive-polarity (positive-sense) rnao sphericalo enveloped (sensitive to lipases, organic solvents and detergents)o 50 nm in diametero four types: denv-1, denv-2, denv-3,
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