Mrs. B Micro – Flashcards

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question
1. Vaccines are available for all of the following diseases except
A. yellow fever.
B. rabies.
C. mononucleosis.
D. polio.
answer
c
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2. Infectious mononucleosis is caused by Epstein-Barr virus. Another condition caused by this virus is
A. cytomegalovirus disease.
B. Lyme arthritis.
C. serum hepatitis.
D. Burkitt lymphoma.
answer
d
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3. A viral disease that may be transmitted by saliva is
A. Infectious mononucleosis.
B. Dengue fever.
C. Cocksackie virus disease.
D. West Nile virus.
answer
a
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4. The Monospot test is used to detect heterophile antibodies for
A. Downey cells.
B. mononucleosis virus.
C. Ebola virus.
D. rabies virus.
answer
b
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5. Cytomegaloviruses pose a threat to pregnant women because they
A. rob the body of important nutrients.
B. pass across the placenta and damage fetal tissues.
C. are resistant to most antibiotics used for viral diseases.
D. interrupt the normal digestive patterns.
answer
b
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6. The cytomegalovirus is so-named from the
A. enlarged cells in infected tissues.
B. large size of the virus.
C. presence of cellular inclusions in the viral capsid.
D. large number of capsomeres in the viral envelope.
answer
a
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7. The TORCH group of diseases refers to congenital infections. Which of the letter and associated disease pairing below is correctA. “C” for Colorado tick fever.
B. “C” for cytomegalovirus disease.
C. “C” for Cocksackie virus disease.
D. “H” for hepatitis.
answer
b
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8. A vaccine is currently available for use against
A. cytomegalovirus disease but not Lassa fever.
B. Colorado tick fever but not Rift Valley fever.
C. infectious mononucleosis but not Lassa fever.
D. hepatitis B but not hepatitis C.
answer
d
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9. Which set of descriptions below is correct for Hepatitis BA. Short incubation period
B. Symptoms of the acute (primary) infection always includes severe jaundice
C. A symptomless insidious infection will eventually destroy the liver
D. Fatigue, loss of appetite, nausea and vomiting are common
answer
d
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10. Which of the following is correct concerning Hepatitis C infectionsA. Damage to the liver results in many liver transplants in the U.S.
B. The infection becomes symptomless and chronic in the majority of the cases.
C. It is primarily acquired through blood transfusions and injection drug use.
D. All of the above are correct concerning Hepatitis C infections.
answer
d
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11. You are a health care worker who is planning to work with hepatitis B patients. You should be immunized against hepatitis B if you
A. are younger than 21.
B. are older than 21.
C. don’t need to be immunized as long as you don’t come in contact with patients blood.
D. are of any age.
answer
d
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12. Yellow fever is so-named because
A. it is accompanied by substantial jaundice.
B. it is transmitted by a yellow mosquito.
C. the virus appears yellow when observed under the electron microscope.
D. the virus produces fever blisters containing a yellow fluid.
answer
a
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13. Yellow fever was the first human disease associated with a virus. The association with mosquitoes was found in 1901 by an American group led by
A. J. R. Downey
B. Walter Reed
C. Ronald Valdiserri
D. Robert Thom
answer
b
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14. A woman with a fluctuating fever comes to a physician. She says that every bone in her body feels like it's breaking. Of the following, the patient is likely to be suffering from
A. dengue fever.
B. poliomyelitis.
C. West Nile encephalitis.
D. Lyme arthritis.
answer
d
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15. Symptoms for this hemorrhagic fever are fever, headache, joint and muscle aches, sore throat, and weakness. This followed by diarrhea, vomiting, and stomach pain. A rash, red eyes, hiccups and internal and external bleeding may be seen in some patients. What is this diseaseA. Yellow fever
B. Dengue fever
C. Lassa fever
D. Ebola
answer
d
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16. What animal is commonly associated with the hemorrhagic fevers like Lassa where fevers and hemorrhage can persist for weeksA. Bats
B. Rats
C. Monkeys
D. Armadillos
answer
b
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17. The virus of hepatitis A is
A. usually transmitted by direct blood-to-blood transfer.
B. also known as the Dane particle.
C. a type of herpesvirus.
D. very resistant to physical agents, requiring several minutes of boiling water to be inactivated.
answer
d
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18. The noroviruses are notable because they
A. are highly contagious, causing viral gastroenteritis.
B. have no capsid.
C. are one of the largest viruses known.
D. have both DNA and RNA.
answer
a
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19. Viral gastroenteritis may be caused by
A. retroviruses but not echoviruses.
B. viruses belonging to one of several unrelated groups.
C. a bite from a tick or mosquito.
D. the same virus that causes Rift Valley fever.
answer
b
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20. The rotavirus and echovirus are both associated with
A. lesions of the liver and hepatitis.
B. skin diseases such as measles.
C. gastrointestinal distress.
D. animal diseases of the central nervous system.
answer
c
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21. Which one of the following is not associated with Coxsackie virusesA. Degeneration of the liver
B. Gastroenteritis
C. Myocarditis, a disease of the heart muscle and valves
D. Pleurodynia
answer
a
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22. One of the factors that may vary the incubation period for rabies includes
A. the type of animal that bit the individual.
B. the amount of virus introduced to the bite wound.
C. the strain of rabies virus present in the wound.
D. the type of arthropod that bit the individual.
answer
b
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23. Once the symptoms have fully materialized in an individual, rabies has
A. increased susceptibility to antibiotic treatment.
B. no chance of being transmitted among animals.
C. a great susceptibility to antibodies
D. one of the highest mortality rates of any human disease.
answer
b
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24. An animal that is wide-eyed, drooling, and eager to attack anything in sight may be suffering from
A. Marburg disease.
B. furious rabies.
C. leptospirosis.
D. dumb rabies.
answer
c
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25. Hydrophobia is usually accompanied by
A. a heightened reaction to the sight or sound of water.
B. an inability of the body to bind water in its tissues.
C. pain in the mouth when water is consumed.
D. All of the above are correct.
answer
a
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26. Type I, type II and type III refer to
A. companies that produce hepatitis vaccines.
B. types of Lassa fever.
C. strains of polio viruses.
D. hepatitis surface antigens
answer
c
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27. In the most serious form of polio, the virus infects the stem of the brain. The nerves of the upper body torso are affected and paralysis can result. This form of polio is known as
A. Brunhilde polio.
B. bulbar polio.
C. Lansing polio.
D. Leon polio
answer
b
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28. The adjectives western equine, La Crosse, Venezuelan equine, and St. Louis all apply to
A. forms of arboviral encephalitis.
B. types of hepatitis B virus.
C. different modes of gastroenteritis.
D. types of influenza virus.
answer
a
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29. Symptoms that include fever, headache, body aches, and a skin rash on the chest, stomach, and back would be indicative of
A. West Nile fever.
B. Colorado tick fever.
C. sandfly fever.
D. Ebola hemorrhagic fever.
answer
a
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may involve the medulla of the brain.
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Polio
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represents the highest mortality rate of any human disease
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Rabies
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is associated with the Epstein-Barr virus.
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Infectious Mononucleosis
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is a typical zoonosis.
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Rabies
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can cause meningitis
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Polio
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is caused by a virus resistant to physical and chemical treatment
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Hep A
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has an incubation period that varies from six days to one year
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Rabies
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is caused by a type of herpes virus
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Infectious Mononucleosis
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vaccination is possible after exposure to the virus
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Rabies
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prevention requires immunization with Salk or Sabin vaccine
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Polio
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is accompanied by a high lymphocyte count.
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Infectious Mononucleosis
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one of three strains of virus (Type I, Type II or Type III).
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Hep A
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can exist as furious or dumb forms in animals
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Rabies
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symptoms include hydrophobia.
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Rabies
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is caused by a member of the Picornaviridae
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Polio
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can be diagnosed by the presence of Downey cells
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Infectious Mononucleosis
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is caused by one of the smallest virions
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Polio
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vaccine is administered via five postexposure injections
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Rabies
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can involve facial paralysis, heart defects, and rupture of the spleen as complications.
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Infectious Mononucleosis
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. True or false? Cases of infectious mononucleosis are accompanied by sore throat, mild fever and a high count of the white blood cells called lymphocytes.
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True
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True or false? Downey cells are B lymphocytes with vacuolated and granulated cytoplasm that forms in patients having infectious mononucleosis.
answer
True
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True or false? Epstein-Barr virus has been detected in patients with Burkitt lymphoma as well as in patients with infectious mononucleosis
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True
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True or false? An elevation of heterophile antibodies detected by the Monospot test is characteristic of hepatitis B but not hepatitis A.
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F. Infectious mononucleosis
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True or false? Transmission of hepatitis B usually involves direct or indirect contact with an infected body fluid such as blood, urine, saliva, or semen.
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True
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True or false? The vaccine for hepatitis B is made from hepatitis B surface antigens.
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True
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True or false? Hepatitis C is often observed in injection drug users and those who receive tattoos.
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Hep B
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True or false? Although there is no treatment of yellow fever, vaccines are available for immunization to the disease.
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True
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True or false? Dengue fever is transmitted primarily by the bites of ticks and lice that have ingested blood from previous victims
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F. by the bites of mosquitos
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True or false? Serious complications or death can occur after recovery from dengue fever if one of the other three types of dengue virus later enters the body. The immune system reacts to the memory of the first dengue infection, allowing the new one to replicate unchallenged.
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True
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True or false? Ebola hemorrhagic fever is caused by a herpesvirus
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Filovirus
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True or false? Lassa fever and Marburg disease are typical of the viral diseases that affect the skin and cause severe pock-like lesions to form.
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F. hemorrhage lessions
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True or false? The incubation periods for hepatitis A and hepatitis B are different because they are caused by different viruses
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True
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True or false? Public health officials believe gastroenteritis is second only to the common cold in frequency among infectious illnesses affecting people in the United States. In developing nations, gastroenteritis is estimated to be the second leading killer of children under the age of 5
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True
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. True or false? Rotavirus is one of the world’s deadliest infections in children. The diarrhea-related illness is associated with 25 million clinic visits, 2 million hospitalizations, and more than 600,000 deaths worldwide among children younger than five years of age.
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True
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True or false? The noroviruses are notable for the serious diseases of the central nervous system that they can cause
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Gastrointestinal disease they can cause
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True or false? Echoviruses are types of large, helical DNA viruses that may cause gastroenteritis, aseptic meningitis or exanthems.
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are small icoshedral RNA viruses
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True or false? Mortality rates in outbreaks of rabies are low even if the vaccine is not administered
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high if the vaccine is...
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True or false? Immunization to rabies can only be performed before a person has been exposed to the virus
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by a postexposure immunication
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True or false? The Sabin polio vaccine consists of viruses inactivated with formaldehyde, whereas the Salk vaccine is made with attenuated viruses
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Consist of attuanted viruses whereas the salk vaccine is made with formaldehyde inactivated virus
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True or false? The goal to eradicate polio by 2000 was not met. Polio is now limited to South America
answer
limited to parts of Africa and south Asia
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