Multiple Choice
What is true about the normal flora that inhabit our body surfaces?
A) most are harmful
B) they competitively exclude more harmful species
C) some produce vitamin C
D) they become even more beneficial if they invade tissues
E) all of these are true except that most are harmful
Correct Answer:
Verified
Correct Answer:
Verified
Q17: Effector B cells secrete antibodies that bind
Q18: With which of the following disease are
Q19: The bacterium that in part causes acne
Q20: Which of the following white blood cells
Q21: Autoimmune disorders are caused by<br>A) lymphocytes and
Q23: Which of the following is true of
Q24: Blood and tissue fluids of healthy people<br>A)
Q25: In an antibody-mediated immune response,with which cells
Q26: Anaphylactic shock is caused by<br>A) an overproduction
Q27: When an infection occurs by the same