Week 1 quiz questions Flashcards
Week 1 material
Cells in the ___ may act as a resevoir in which HIV can be protected form antiviral drugs.
The Central Nervous System
What is the role of reverse transcriptase in HIV infection?
It converts RNA into double stranded DNA.
Which statement is true about vaccines?
Vaccines require booster injections to maintain lifelong protection.
After sexual transmission of HIV, a person can be infected yet seronegative for ___ months?
6-14
What if the following remains a significant cause of morbidity and morality worldwide?
Infectious Diseases
Which statement is true about fungal infections?
They are controlled by phagocytes and T lymphocytes
In which primary immune deficiency is there a partial to complete absence of T cells
DiGeorge syndrome
What disease involves the deposition of circulating immune complexes containing antibody?
Systemic Lupus Erythematous (SLE)
Hypersensitivity is best defined as a (n)?
Altered immune response to an antigen that results in disease
The class of antibody involved in type I Hypersensitibity reaction is ?
IgE
What mechanism occurs in Raynaud phenomenon that classifies it a s type III hypersensitibity?
Immune complexes are deposited in the capilary beds, blocking circulation
Deficiencies in this element can produce depression of both B and T-cell functions?
Zinc
In type I hypersensitibity reaction, when souluble antigens from infectious agents enter cirbulation.
Neutrophils granules and toxic oxygen products
Stress aged syndrome results in decreased ?
Immune system
Stress induced norepinephrine results in ?
Peripheral vasoconstriction
