exam 4

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Which step of HIV replication is specifically inhibited by protease inhibitors?

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Biology

260 Terms

1

Which step of HIV replication is specifically inhibited by protease inhibitors?

Assembly and release of the virus

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2

Which of the following activities currently puts one at the greatest risk of contracting hepatitis C?

Intravenous drug habit

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3

A 2 year-old boy presents at the emergency room with muscle weakness and increasing paralysis. A history reveals the boy received a flu shot about 8 weeks previously. Differential diagnosis should include the possibility of __________

Guillain-Barre syndrome

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4

Varicella zoster virus establishes latency in __________.

Nerve cells

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5

Which of the following is mismatched?

Salk vaccine - live attenuated polio vaccine

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6

Agent responsible for smallpox?

Variola virus

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7

Which of the following is not a component of Influenza virus?

Reverse transcriptase

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8

Rhinoviruses are a major cause of _____

Upper respiratory tract infections

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9

Disease due to which of the following viruses is least likely directly transmissible from person to person?

Rabies

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10

Which of the following is blood-borne pathogen in the form of an enveloped RNA virus, and is also associated with liver cancer in humans?

Hepatitis C virus

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11

Which of the following conditions in animals or humans is not caused by prions?

Rabies

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12

Hepatitis D virus requires a co-infection with which other virus?

Hepatitis B virus

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13

Which of the following conditions is not associated with a latent period following initial viral infection?

Viral conjunctivitis

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14

Enveloped RNA virus causing bronchitis and pneumonia, where infection is especially dangerous in premature infants with under-developed lungs:

Respiratory syncytial virus

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15

A naked capsid DNA virus which causes upper respiratory tract infections:

Adenovirus

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16

Which of the following signs or symptoms is not associated with viral hepatitis?

Petechial rash

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17

Which of the following viruses has a reservoir in wild birds?

West Nile virus

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18

Cytopathic effects associated with papillomavirus:

Piling up of cells

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19

Common name for a childhood disease which is generally self-limiting in children, but is notorious for causing birth defects when the mother becomes infected during pregnancy:

Mumps

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20

Which of the following vaccines should never be given to a pregnant woman?

MMR vaccine

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21

The nature of the agent which causes Bovine Spongiform Encephalopathy (BSE, or mad-cow disease) is a___.

Protein

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22

Effective, long-term immunity-conferring vaccination is currently available for which of the following?

Measles

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23

Which of the following viral infections are not associated with recurring disease later in life?

Mumps virus

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24

Naked capsid DNA virus which causes conjunctivitis:

Adenovirus

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25

Whether viral replication leads to budding of viral particles, or lysis of the host cell, largely depends on___.

The presence or absence of a viral envelope

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26

Immunity conferred by influenza vaccine typically protects the patient by preventing which of the following steps of the viral cycle?

Attachment

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27

A 25 year old man is bitten by a potentially rabid bat during a caving trip. What is the recommended procedure for the treatment of this individual?

A, B and C

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28

A dental hygienist reports a painful rash with blistering on one of her fingers. This description is consistent with ____.

Herpetic whitlow

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29

Which of the following is not commonly associated with cancer in humans?

Herpes simplex virus

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30

Sub-acute sclerosing pan-encephalitis (SSPE) is a rare, delayed consequence of infection by the virus that causes which childhood disease?

Measles

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31

Which of the following is commonly responsible for "hand, foot and mouth disease"?

Coxsackie A virus

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32

The threshold CD4 T cell count, below which patients typically start seeing opportunistic infections associated with acquired immunodeficiency syndrome (in cells/mm3 of blood).

200

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33

The influenza viral protein, hemagglutinin, is important for which step of viral reproduction?

Attachment to epithelial cells

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34

Agent commonly implicated in inflammation of the heart or pericardial sac.

Coxsackievirus

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35

A newspaper published an article about a cruiseship where about 400 passengers were, "struck down with a notorious winter vomiting bug". The agent causing their affliction was likely ____.

Norovirus

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36
  1. Influenza virus

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37
  1. Adenovirus

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39

Enveloped virus

Influenza virus

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40
  1. Influenza virus

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41
  1. Adenovirus

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DNA virus

Adenovirus

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44
  1. Influenza virus

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45
  1. Adenovirus

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Fecal oral transmission

Adenovirus

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48
  1. Influenza virus

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49
  1. Adenovirus

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51

Occasionally catastrophic pandemics

Influenza

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52
  1. Influenza virus

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53
  1. Adenovirus

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54

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Respiratory infections

Both

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  1. Measles

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  1. Mumps

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complications may include encephalitis

Both

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60
  1. Measles

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  1. Mumps

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Kopliks spots inside mouth

Measles

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  1. Measles

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  1. Mumps

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Vaccine is live-attenuated

Both

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68
  1. Measles

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  1. Mumps

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Traditional childhood disease

Both

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72
  1. Measles

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  1. Mumps

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Fecal oral transmission

Neither

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76
  1. Cytomegalovirus

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77
  1. Epstein Barr virus

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Herpes virus family

Both

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80
  1. Cytomegalovirus

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81
  1. Epstein Barr virus

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83

Latency in T cells

Neither

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84
  1. Cytomegalovirus

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85
  1. Epstein Barr virus

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Agent of infectious mononucleosis

Both

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88
  1. Cytomegalovirus

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  1. Epstein Barr virus

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91

May lead to cancer

Epstein Barr virus

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  1. Cytomegalovirus

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  1. Epstein Barr virus

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95

Latency can be a complication in organ transplantation

Cytomegalovirus

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96
  1. Human immunodeficiency virus

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  1. Hepatitis C virus

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Retrovirus

HIV

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  1. Human immunodeficiency virus

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