- 1(current)
Q. No.There is always a time-lag between the infection and appearance of AIDS symptoms. This period may vary from:
| 1. | 7 to 14 days |
| 2. | two weeks to four weeks |
| 3. | one month to three months |
| 4. | a few months to many years (usually 5-10 years). |
Subtopic: Â AIDS |
 97%
Level 1: 80%+
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Transmission of HIV infection can generally occur by:
1. Only I and II
2. Only I and III
3. Only II and III
4. I, II and III
| I: | sexual contact with infected person |
| II: | mere touch or physical contact |
| III: | transfusion of contaminated blood and blood products |
1. Only I and II
2. Only I and III
3. Only II and III
4. I, II and III
Subtopic: Â AIDS |
 93%
Level 1: 80%+
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A retrovirus like HIV is characterized by:
| 1. | Having DNA as its genetic material. |
| 2. | Using reverse transcriptase to convert its RNA genome into DNA. |
| 3. | Directly translating its RNA genome into proteins. |
| 4. | Incorporating its DNA into the host's ribosomes. |
Subtopic: Â AIDS |
 94%
Level 1: 80%+
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The destruction of which of the following cells by the virus that causes acquired immunodeficiency syndrome results in the development of opportunistic infections in patients suffering from the disease?
1. D-cells
2. Cytotoxic T-cells
3. Helper T-cells
4. Macrophages
1. D-cells
2. Cytotoxic T-cells
3. Helper T-cells
4. Macrophages
Subtopic: Â AIDS |
 91%
Level 1: 80%+
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- 1(current)
Q. No.
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