BIOLOGY HELP! (IMMUNE SYSTEM)?1. Histamines trigger dilation of nearby blood vessels, and increase in their permeability. Which of the signs of inflammation are therefore associated with histamine release?
a) swelling only
b) redness, heat and swelling
c) redness and heat only
d) all of the signs of inflammation
2. The MHC is important in a T cell's ability to
a) recognize differences among different types of cancer
b) identify specific bacterial and parasitic pathogens
c) identify specific viruses
d) distinguish self from nonself
3. Which of the following is a last line of defense against an extracellular pathogen?
a) lysozyme production
b) histamine release by basophils
c) antibody production by plasma cells
d) lysis by natural killer cells
e) phagocytosis by neutrophils
4. What is the primary function of humoral immunity
a) it is responsible for transplant tissue rejection
b) it protects the body against cells that become cancerous
c) it primarily defends against bacteria and viruses that have already infected cells
d) it produces antibodies that circulate in body fluids
I was given a packet with 100 questions... these are the only four i need help with so you won't be doing my homework for me... thanks though
Answer by rachelcool95
nobody should answer these, no offence, it's not fair that we do your homework for you....
Answer by Lama jar
1.b
2.d
3.c
4.d
i think these answers are correct
Orignal From: BIOLOGY HELP! (IMMUNE SYSTEM)?
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