Quiz 16 Flashcards
All of the following pertain to fever EXCEPT that it
accelerates microbial growth by increasing iron absorption from the digestive tract
Which non-specific defense mechanism is mismatched with its associated body structure or body fluid?
mucociliary escalator intestines
Inflammation is part of the second line of defense that is activated when the first line of defense is breached. Julie’s first-line defenses were damaged when her injury occurred. Which of the following represents the first line of defense?
skin and mucous membranes
The adaptive immune response, or third line of defense, is activated when the first and second lines of defense do not succeed in containing an infection. It is adaptive because the cells in this part of the immune system are capable of responding to specific pathogens. Another important feature of the third line is the ability of these cells to create memory cells. Why are memory cells an important product of an immune response?
Memory cells allow subsequent immune responses against the same antigen to occur more strongly and more quickly.
What direct effect do histamines and leukotrienes have on capillaries?
They allow capillary walls to open and become leaky.
The antimicrobial effects of AMPs include all of the following EXCEPT
inhibition of phagocytosis
Pus is comprised of
dead phagocytes
Emigration (Diapedesis) is
the migration of phagocytes through blood vessels to the site of tissue damage
Julie is preparing vegetables for dinner and accidentally cuts her finger. She washes it with soap and water before covering it with a bandage. A short while later, Julie notices that her finger is red, swollen, warm to the touch, and very painful. Which of the following describes the process going on in Julie’s finger?
inflammation
Which of the following can release histamines?
Cells from damaged tissues and the complement pathway