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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
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A-AB
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Which relationship benefits the organism but causes no harm to the host
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Commensalism
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The microorganisms that make up the normal human flora are important for
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Preventing the attachment and multiplication of pathogens
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Bacterial pathogens can defend themselves from an immune response by
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producing capsules
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When a person is given an attenuated antigen as a vaccine, the antigen is
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alive but less infectious
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Endotoxins are produced by
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gram-negative bacteria
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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
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Exotoxin
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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
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Gram-negative bacteria
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Viruses
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replicate their genetic material inside host cells
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Varicella the viruses that causes chicken pox replicates
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in the cytoplasm
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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
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Warts
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Fungi causeing deep or systemic infections
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are commonly opportunistic
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The hallmark symptom of most infectious diseases is
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Fever
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Most viral vaccines contain
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attenuated viruses
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Most bacterial vaccines contain
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dead bacteria
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Bacteria becomes resistant to antimicrobials
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mutation
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a common symptom of individuals with immunodeficiency is
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recurrent infections
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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
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T lymphocyte deficiency
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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
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CD4 T helper
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A 30 year old male diagnosed with HIV which of the following most affective
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Highly active antiretrial viral therapy
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Which of the following is a characteristic of Human immunodeficiency virus (HIV) which causes acquired immunodeficiency syndrome (AIDS)
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HIV is a retrovirus
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