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21 Cards in this Set

  • Front
  • Back
A 15 year old male suffers from severe hemorrhage following a motor vehicle accidents. He is given a blood transfusion,but shortly afterward the red blood cells are destroyed by agglutination and Iysis. Which of the following blood type transfusion type matches woul cause this
A-AB
Which relationship benefits the organism but causes no harm to the host
Commensalism
The microorganisms that make up the normal human flora are important for
Preventing the attachment and multiplication of pathogens
Bacterial pathogens can defend themselves from an immune response by
producing capsules
When a person is given an attenuated antigen as a vaccine, the antigen is
alive but less infectious
Endotoxins are produced by
gram-negative bacteria
A 5 year old male becomes ill with a severe cough. Histologic examination reveals a bacterial infection and further laboratory testing reveals cell membrane damage and decreased protein synthesis. Which of the following is the most likely cause of this illness
Exotoxin
A 50 year old female experiences decreased blood pressure, decreased oxygen delivery cardiovascular shock and subsequent death. Which of the following is the most likely cause
Gram-negative bacteria
Viruses
replicate their genetic material inside host cells
Varicella the viruses that causes chicken pox replicates
in the cytoplasm
A 25 year old female reports having unprotected sexual intercourse with several men. Blood tests reveal that she is positive for human papilloma virus. Which of the following may occur because of the infection
Warts
Fungi causeing deep or systemic infections
are commonly opportunistic
The hallmark symptom of most infectious diseases is
Fever
Most viral vaccines contain
attenuated viruses
Most bacterial vaccines contain
dead bacteria
Bacteria becomes resistant to antimicrobials
mutation
a common symptom of individuals with immunodeficiency is
recurrent infections
a 5 year old male presents with low set ears a fish shaped mouth and involuntary rapid muscular contraction. laboratory testing reveals decreased calcium levels. Which of the following diagnosis is most likely
T lymphocyte deficiency
A 22 year old prostitute was recently diagnosed with aquired immunodeficiency syndrome (AIDS) a decrease in which of the following cell types would be expected to acoompany this virus
CD4 T helper
A 30 year old male diagnosed with HIV which of the following most affective
Highly active antiretrial viral therapy
Which of the following is a characteristic of Human immunodeficiency virus (HIV) which causes acquired immunodeficiency syndrome (AIDS)
HIV is a retrovirus