front 1 In asthmatic individuals the "common cold" caused by rhinoviruses can be treated | back 1 for symptoms or with the prescription antiviral pleconaril |
front 2 Which of the following RNA virus families include the smallest viral pathogen in animals? | back 2 Picornaviridae |
front 3 Which of the following is a family of six-pointed, star-shaped viruses that cause gastrointestinal diseases? | back 3 Caliciviridae |
front 4 Which of the following statements about rhinoviruses is FALSE? | back 4 they are the only viruses that can cause a common cold |
front 5 Enteroviruses gain their name from the fact that they | back 5 are transmitted by the fecal-oral route |
front 6 Diarrhea, nausea, and vomiting are signs and symptoms associated with which of the following viruses? | back 6 norovirus |
front 7 Some patients who have suffered from polio develop symptoms 30-40 years later in the form of | back 7 crippling deterioration and dysfunction in the polio-affected muscles |
front 8 The type of polio that involves the infection of the brain stem and medulla is | back 8 bulbar poliomyelitis |
front 9 Fever, fatigue, loss of appetite, and a yellow color of the sclera and skin, without hemorrhaging or kidney damage, are typically observed with | back 9 hepatitis |
front 10 Diseases caused by coxsackie A virus include | back 10 both hand-foot and mouth disease and viral meningitis |
front 11 Which of the following viruses is suspected of being a cause of diabetes mellitus? | back 11 coxackie B virus |
front 12 Which of the following viruses may cause viral meningitis? | back 12 both echoviruses and coxsackie viruses |
front 13 Enteric hepatitis is fatal for 20% of people in which of the following groups? | back 13 pregnant women |
front 14 How do coronaviruses differ from togaviruses? | back 14 coronaviruses have helical capsids |
front 15 Which of the following is a member of the Flaviviridae that is NOT an arbovirus? | back 15 hepatitis C virus |
front 16 the west nile virus is considered a | back 16 flavivirus |
front 17 The disease known as dengue hemorrhagic fever is actually | back 17 a hyperimmune response to reinfection with the dengue virus |
front 18 Which of the following is MISMATCHED? | back 18 Salk vaccine; administered orally |
front 19 Which of the following viruses is considered a childhood disease, was first identified by a German physician and is know to cause "three-day measles? | back 19 rubella |
front 20 A child has a mild fever and a macular rash primarily on the torso. No lesions are evident in the mouth, and the child has not complained of pain. Which of the following diseases might the child have? | back 20 three-day measles |
front 21 The transmission of enteric hepatitis is most effectively prevented by | back 21 good public sanitation and personal hygiene |
front 22 Which of the following characteristics distinguishes coronaviruses from rhinoviruses? | back 22 envelope is present |
front 23 Which of the following enzymes allows retroviruses to transcribe DNA from ssRNA? | back 23 reverse transcriptase |
front 24 the human T-lymphotropic virus 1 causes | back 24 adult acute T-cell lymphocytic leukemia |
front 25 The recent epidemic of SARS virus was caused by a | back 25 coronavirus |
front 26 A child has a fever, chills, muscle aches, and conjunctivitis. She is also developing a rash caused by subcutaneous hemorrhaging and complains about exposure to sunlight. With which of the following viruses might she be infected? | back 26 coltivirus |
front 27 Which of the following cells is NOT infected by HIV? | back 27 B lymphocytes |
front 28 How are HIV virions rendered virulent? | back 28 the action of protease releases reverse transcriptase and capsomeres after the virion buds from the cell |
front 29 A scientist discovers a new virus affecting birds. After isolation, the virus is characterized as having single-strand RNA in an icosahedral capsid and an envelope. to which of the following virus families might this new virus belong? | back 29 Flaviviridae |
front 30 Which of the following cells are a major reservoir for HIV? | back 30 monocytes and macrophages |
front 31 Which of the following bodily fluids is commonly a source of infection by HIV? | back 31 breast milk, semen, and vaginal secretions |
front 32 An emerging fatal disease in humans caused by one of the members of the Paramyxoviridae is known as | back 32 Nipahvirus |
front 33 Ebola hemorrhagic virus is caused by which type of virus? | back 33 filovirus |
front 34 Public health scientists discover and become concerned about a new strain of RNA virus among farm animals, especially geese and pigs, in the Midwest. each virion is composed of lipid, helical proteins, and multiple pieces of RNA. | back 34 an influenza virus |
front 35 Which of the following pairs is MISMATCHED? | back 35 influenza; hemorrhagic fever |
front 36 Which of the following is a family of double-stranded RNA viruses? | back 36 Reoviridae |
front 37 Rodents are the normal hosts for which of the following encephalitis viruses? | back 37 Venezuelan equine encephalitits (VEE) |
front 38 The _____ causes a T cell leukemia . | back 38 HTLV-1 |
front 39 Fever, jaundice, and hemorrhaging which often results in "black vomit" are characteristic of | back 39 yellow fever |
front 40 Which of the following viruses can establish a chronic infection of the liver which may progress to liver cancer? | back 40 hepatitis C |
front 41 Dark staining masses of visions called Negri bodies in the brains of victims are diagnostic of | back 41 rabies |
front 42 The HIV virion is best described as a | back 42 segmented RNA genome in an irregular polyhedron capsid with envelope |
front 43 Humans may become infected with _____ by inhaling aerosols of dried rodent excrement. | back 43 hantavirus |
front 44 the arenaviruses are unique because | back 44 their visions contain ribosomes |
front 45 Deltavirus (hepatitis D virus) requries co-infection with _____ to produce infectious virions. | back 45 hepatitis B virus |
front 46 An RNA that can be used by a ribosome to translate into protein is (double/ positive/ negative) strand RNA. | back 46 positive |
front 47 The clinical term for "runny nose" is (rhinorrhea/ rhinovirus). | back 47 rhinorrhea |
front 48 Infection of day care age children with (HIV/ RSV/ SSPE) results in mild respiratory disease lasting about two weeks, but infection in infants is potentially fatal. | back 48 RSV |
front 49 Jonas Salk developed an (attenuated/ inactivated/ subunit) polio vaccine in 1955. | back 49 inactivated |
front 50 Infection with (astrovirus/ norovirus/ rotavirus) is the most common cause of diarrhea in children worldwide. | back 50 rotavirus |
front 51 Lesions of the mouth caused by coxsackie A virus are called (herpangina/ herpetic/ pleurodynia) | back 51 herpangina |
front 52 Acute live disease known as (enteric/ infectious/ serum) hepatitis is spread by the fecal oral route and is caused by a picornavirus. | back 52 infectious |
front 53 Arboviruses are transmitted by the (contract/ enteric/ vector) route. | back 53 vector |
front 54 The "orphan" family of dsRNA viruses that cause respiratory and enteric infections is (Rhinoviridae/ rhabdoviridae/ Reoviridae). | back 54 Reoviridae |
front 55 Rubella vaccine is an (attenuated/ inactivated/ subunit) vaccine and should not be given to pregnant women. | back 55 attenuated |
front 56 Coronaviruses and rhinoviruses replicate best in the (cooler/ moister/ salty)conditions of the nasal cavity. | back 56 cooler |
front 57 The (reoviruses/ retroviruses/ rhinoviruses) have been studied ore than any other group of viruses because of their unique features and the diseases they cause. | back 57 retroviruses |
front 58 HIV attaches to T cell and macrophages by means of an interaction between gp120 and an (antibody/ CD4/ gp41) receptor. | back 58 CD4 |
front 59 Ebola and Marburg viruses are emerging pathogens that cause life threatening (encephalitis/ diarrhea/ hemorrhaging) and can be transmitted in body fluids. | back 59 hemorrhaging |
front 60 RSV, like other viruses in the Paramyxoviridae family is able to cause infected cells to fuse with their neighbors, forming giant, multinucleate (aggregates/ fusions/ syncytia). | back 60 syncytia |