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Questions and Answers
What is the function of reverse transcriptase in the HIV virus?
What is the function of reverse transcriptase in the HIV virus?
- It makes DNA from RNA (correct)
- It forms the conical capsid
- It cleaves proteins
- It integrates DNA into the host cell DNA
Which type of HIV virus replicates in monocytes and macrophages?
Which type of HIV virus replicates in monocytes and macrophages?
- CCR5-tropic viruses (correct)
- Dendritic cell-tropic viruses
- T-cell-tropic viruses
- CXCR4-tropic viruses
What is the major lymphocyte receptor used by HIV to enter cells?
What is the major lymphocyte receptor used by HIV to enter cells?
- CXCR4
- CD4 (correct)
- p24
- CCR5
What is the role of the V3 loop in the gp120 protein of HIV?
What is the role of the V3 loop in the gp120 protein of HIV?
Which protein on the envelope of HIV is responsible for attachment to T-cells?
Which protein on the envelope of HIV is responsible for attachment to T-cells?
Which enzyme is responsible for integrating viral DNA into the host cell DNA?
Which enzyme is responsible for integrating viral DNA into the host cell DNA?
What is the natural host of the HIV virus?
What is the natural host of the HIV virus?
Which protein is responsible for fusion and entry of HIV into T-cells?
Which protein is responsible for fusion and entry of HIV into T-cells?
Which type of blood transfusion reaction is characterized by a Type I hypersensitivity reaction against plasma proteins in transfused blood?
Which type of blood transfusion reaction is characterized by a Type I hypersensitivity reaction against plasma proteins in transfused blood?
What precaution should be taken for IgA-deficient individuals when receiving blood products?
What precaution should be taken for IgA-deficient individuals when receiving blood products?
Which type of blood transfusion reaction is characterized by intravascular hemolysis due to ABO blood group incompatibility?
Which type of blood transfusion reaction is characterized by intravascular hemolysis due to ABO blood group incompatibility?
What is the main cause of febrile nonhemolytic transfusion reactions during the storage of blood transfusion products?
What is the main cause of febrile nonhemolytic transfusion reactions during the storage of blood transfusion products?
Which of the following clinical presentations is most commonly seen in children with the described condition?
Which of the following clinical presentations is most commonly seen in children with the described condition?
Which of the following best describes the two-hit mechanism involved in the pathophysiology of the described condition?
Which of the following best describes the two-hit mechanism involved in the pathophysiology of the described condition?
Which of the following blood components is involved in the anamnestic response in the described condition?
Which of the following blood components is involved in the anamnestic response in the described condition?
Which of the following immunoglobulins is involved in the host immune response against donor RBC with foreign antigens?
Which of the following immunoglobulins is involved in the host immune response against donor RBC with foreign antigens?
Which type of blood cells release preformed cytokines that contribute to the pathophysiology of the described condition?
Which type of blood cells release preformed cytokines that contribute to the pathophysiology of the described condition?
What is the characteristic onset timeframe for the clinical presentation of the described condition due to slow destruction by reticuloendothelial system?
What is the characteristic onset timeframe for the clinical presentation of the described condition due to slow destruction by reticuloendothelial system?
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