INSTANT DOWNLOAD COMPLETE TEST BANK WITH ANSWERS Medical Microbiology 6th edition by Murray Patrick R. Rosenthal – Test Bank Sample Questions Murray: Medical Microbiology, 6th Edition Chapter 6: Viral Classification, Structure, and Replication MULTIPLE CHOICE
- Herpes simplex virus was genetically engineered as a gene delivery vehicle. Insertion of the new gene into which of the viral genes would prevent replication of the virus in all cells?
a. | DNA-dependent DNA polymerase |
b. | DNA-dependent RNA polymerase |
c. | RNA-dependent DNA polymerase |
d. | RNA-dependent RNA polymerase |
e. | Thymidine kinase |
ANS: A
- An outbreak of gastroenteritis occurred on a cruise ship. A stool sample from one of the passengers contained a very small detergent-resistant virus. What other parameter would be true for this virus?
a. | Also causes pharyngitis |
b. | Also causes paralysis |
c. | Double-stranded RNA genome |
d. | Enveloped |
e. | Infectious genome |
ANS: E
- A 34-year-old woman is jaundiced, has fever and nausea, lacks appetite, and has abdominal pain. She claims that the disease signs started 3 days earlier. A stool sample contained a small detergent-resistant virus. Which of the following describes a likely consequence of this infection?
a. | Cancer |
b. | Chronic infection |
c. | Complete recovery 99% |
d. | Fulminant disease |
e. | Serum immune complexes |
ANS: C
- A 34-year-old woman has been feeling very tired for several months and blood tests showed elevated levels of liver enzymes. A blood sample tested positive for viral antigen and RNA for a +RNA virus, but no virus could be isolated or seen in this or other samples. Which of the following describes the most likely consequence of this infection?
a. | Cancer |
b. | Chronic infection |
c. | Complete recovery 99% |
d. | Fulminant disease |
e. | Serum immune complexes |
ANS: B
- A 3-year-old child has a group of lesions that include vesicles, crusted vesicles, and ulcers around the corner of his mouth. A Tzanck smear shows Cowdry type A inclusion bodies. Which is the most appropriate description for this microbe?
a. | Genome is a circular small DNA. |
b. | Genome replication occurs in the cytoplasm. |
c. | Gene transcription occurs in three phases. |
d. | Translation results in a polyprotein. |
e. | Two different types of +RNAs are produced during virus replication. |
ANS: CMurray: Medical Microbiology, 6th Edition
Chapter 09: Elements of Host Protective Responses
Test Bank
MULTIPLE CHOICE
- How can a Bell cell be distinguished from a T cell?
a. | B cells have a large nucleus-to-cytoplasm ratio. |
b. | B cells have surface immunoglobulin. |
c. | T cells mature in the bone marrow. |
d. | Extensive gene recombinations occur in B cells. |
e. | B cells have a sheep red-blood-cell receptor. |
ANS: B
- Which cell type would not be present in a boy born without a thymus?
a. | NK cell |
b. | B cell |
c. | T cell |
d. | Macrophages |
e. | Neutrophils |
ANS: C
- Which cell type produces acute-phase cytokines?
a. | B cell |
b. | T cell |
c. | NK cell |
d. | Macrophages |
e. | Neutrophils |
ANS: D
- A ruptured spleen was removed from a 37-year-old car accident victim. What would be the consequence?
a. | Can’t mature T cells |
b. | Lack of IgG-producing B cells |
c. | Lack of IgA-producing B cells |
d. | Can’t activate macrophages |
e. | Increased susceptibility to encapsulated bacteria |
ANS: E
- Soon after HIV infection, the gut becomes smooth due to the loss of MALT. Loss of the MALT will compromise the production of which type of antibody?
a. | IgA |
b. | IgD |
c. | IgE |
d. | IgG |
e. | IgM |
ANS: A
- A blood count from a 6-year-old boy with fever is reported to have undergone “a left shift with an increase in bands.” This refers to an increase in:
a. | activated T cells in response to viral infection. |
b. | activated eosinophils due to parasitic infection. |
c. | immature neutrophils released from bone marrow. |
d. | activated dendritic cells due to sepsis. |
e. | plasma cells due to chronic infection. |
ANS: CMurray: Medical Microbiology, 6th Edition Chapter 13: Antimicrobial Vaccines Test Bank
MULTIPLE CHOICE
- Which of the following responses would be elicited by vaccination with Jeryl Lynn mumps vaccine but not with the hepatitis B vaccine?
a. | CD4 T-cell activation |
b. | Interferon a |
c. | Interleukin 4 |
d. | IgG |
e. | IgM |
ANS: B
- The Gates Foundation is interested in funding the development of a new vaccine for measles. Which of the following advantages should the improved vaccine have over the current vaccine?
a. | Activates long-term immunity |
b. | Administered at less than 1 year of age |
c. | Inactivated vaccine |
d. | Live attenuated vaccine |
e. | Will reduce the occurrence of subacute sclerosing panencephalitis |
ANS: B
- Why is the inactivated polio vaccine (IPV) recommended in the United States instead of the oral live attenuated vaccine (OPV) for routine immunizations?
- IPV initiates lifelong immune response.
- IPV promotes Herd immunity.
- Smaller amounts of the IPV are required.
- IPV cannot cause disease.
- IPV is easier to administer to children.
ANS: D
- Match the following questions with the appropriate description for the currently used vaccines. (Choose all that apply.)
- Live attenuated microbe
- Inactivated microbe
- Subunit (protein)
- polysaccharide
- conjugated polysaccharide
- A & B
- D & E
- Haemophilus influenzae B
- Streptococcus pneumoniae
- Mumps
- Varicella zoster
- Influenza
- Diphtheria
- Tetanus
- Bordetella pertussis
- Hepatitis B
- Hepatitis A
- Rotavirus
ANS: 4. E
- D, E
- A
- A
- A, B
- C
- C
- C
- C
- C
- A
- A four-year-old child is bitten by a raccoon kitten. Unfortunately the animal has escaped. Which of the following actions should be taken?
- Wash the wound carefully, and treat the child with a 2-week course of vancomycin.
- Wash the wound carefully, infuse the area with rabies gamma globulin, and initiate live vaccine immunization.
- Wash the wound carefully, infuse the area with rabies gamma globulin, and initiate inactivated vaccine immunization.
ANS: C
- What action will the rabies gamma globulin have?
- Initiate B-cell production of antibody.
- Activate T cells.
- Facilitate virus clearance by macrophages.
- Promote virus clearance by neutrophils.
- Block virus spread by T cells.
ANS: C