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Virology Exam 2 Study Guide Questions with Correct Answers
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Virology Exam 2 Study Guide Questions with Correct Answers
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Virology Exam 2 Study Guide Questions with CorrectAnswers
List the routes of viral infection. Correct Answer-1) Respiratory tract or
salivary routes of transmission (most common)
2) GI tract (alimentary canal)
3) Genital tract
4) Conjunctiva or eyes
5) Skin, transplants, transfusions
Antibodies are involved in defending humans against viral infections in
the upper/lower respiratory tract. What is an antibody? Correct Answer-
Defensive proteins called immunoglobulins (IgA and IgG present in the
upper/lower respiratory tract) that help remove foreign antigens (virus,
bacteria). Each antibody is specific for a specific antigen.
Name 3 viruses that initiate infection via the respiratory tract that cause
respiratory symptoms. Correct Answer-1) Rhinovirus (Common Cold) -
sore throat, nasal discharge, congestion, cough
2) Coronavirus (SARS - Severe Acute Respiratory Syndrome) - fever,
dry cough, shortness of breath, sore throat, muscle weakness
3) Influenza Virus A/B - fever, chills, sore throat, cough, nasal
discharge, congestion
Name 3 viruses that initiate infection via the respiratory tract that cause
generalized symptoms without respiratory symptoms. Correct Answer-1)
Mumps virus - fever and swollen salivary glands
, 2) Measles virus - cough, fever, rash
3) Varicella zoster virus - chickenpox, shingles
Name 3 viruses that initiate infection via the gastrointestinal tract.
Correct Answer-1) Rotavirus - gastroenteritis, dehydrating diarrhea,
nausea, vomiting
2) Norovirus - gastroenteritis, diarrhea, nausea, acute vomiting
3) Astrovirus - gastroenteritis, watery and short (in duration) diarrhea
Name 3 viruses that initiate infection via the genital tract. Correct
Answer-1) HIV-1 and HIV-2: AIDS - fever, fatigue, weight loss,
lymphadenopathy, night sweats, rash, diarrhea, sores (mouth and
genitals)
2) HBV - liver damage, possibly cancer
3) HSV-1 and HSV-2: herpetic lesions in the cervix and urethra
The skin acts as a barrier to many foreign "agents." Name 3 viruses that
enter through the skin. Correct Answer-Papillomavirus, Cowpox, Herpes
Simplex Virus, HBV, HCV, HIV-1 and HIV-2, Rabies, Dengue fever
Describe an acute viral infection. Name viruses associated with acute
infections. Correct Answer-Acute (nonpersistent) viral infections are
self-limiting, generally last a short time, have rapid onset of symptoms,
and are eliminated by the immune system. Virus replication occurs
before the onset of any symptoms.
Examples: Chlamydophila pneumoniae infection, Common Cold, SARS
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