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16 Cards in this Set
- Front
- Back
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A virus can reproduce outside a host cell if:
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a virus can never reproduce outside a host cell
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__________ are involved in secreting antibodies that are specific for certain antigens.
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B-lymphocytes
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A patient comes into the doctor’s office for a routine check-up. A blood test reveals that the patient is HIV positive. However, the patient is experiencing no major signs of illness. The patient is in what stage of HIV infection.
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Clinically asymptomatic stage
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Sally is an HIV patient. She goes to the doctor’s because she is having trouble breathing. Her CD4 test show that her CD4 cell count is 150 cells per microliter. Sally is in what stage of HIV infection.
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Clinical AIDS
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Shirley is taking on anti-retroviral drug. After a few months, the drug stops working. Why is this?
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HIV mutated and became resistant to the drug
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A nurse in the hospital is checking on a HIV patient. While she was examining the patient, the patient coughs, and some spit lands on her hand. Was HIV transmitted to the nurse?
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No, HIV cannot be transmitted through spit and the skin
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HIV is transmitted through:
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sexual contact, blood, and pregnancy
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Patients with advanced HIV infection are vulnerable to opportunistic infections because of:
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A depletion of CD4+ T-cells
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Buddy wakes up one morning and discovers a rash on his body. His doctor is surprised he has this because it is not normally found in young individuals. A HIV test reveals that Buddy is HIV positive and his CD4 cell count is around 500. What stage of HIV infection is Buddy in?
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Symptomatic HIV infection
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Sally is HIV positive and Wally is not. Sally accidently cut Wally’s gum with her braces while they were french kissing. Is it possible for Wally to become infected with HIV?
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yes
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_________ on the HIV virus attaches to ______on the host cell .
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gp120, CD4
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An HIV infected person is in the asymptomatic stage. Because they are experiencing no symptoms and are on multiple antiretroviral treatments, they go on to have unprotected sex. Does this person still remain infectious?
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yes
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had an HIV test done and it showed a positive result. Which test most likely was done?
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PCR test
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_____________ recognize and bind foreign antigens.
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T-lymphocytes
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HIV is known as a retrovirus because:
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RNA is synthesized to DNA
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the amont of virus the determines how infectious the HIV is.
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Titer
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