Use LEFT and RIGHT arrow keys to navigate between flashcards;
Use UP and DOWN arrow keys to flip the card;
H to show hint;
A reads text to speech;
9 Cards in this Set
- Front
- Back
|
what is fever |
a high body temperature |
|
|
what does fever cause |
an increase in body metabolism accelerated defenses inhibition of some viruses and bacteria causes liver and spleen to sequester iron and zinc (needed by microorganisms) |
|
|
what constitutes a fever |
maintained body temperature above 34C or 99F |
|
|
what is a pyrogen |
any material that causes the hypothalamus to raise body temperature |
|
|
what can be a pyrogen |
circulating pathogens, toxins, or antibody complexes |
|
|
what is our endogenous pyrogen |
interleukin-1 (IL-1) |
|
|
how is interleuikin-1 triggered |
by bacterial pathogens it is a pyrogen released by active macrophages |
|
|
what are interleuikins |
a group of immunoregulating chemical messengers release by T(h) macrophages and other cells |
|
|
what are general responses of interleukins |
increasing T cell sensitivity to antigens stimulating B cells enhancing non-specific defenses +a subgroup moderates the immune response |
