lecture 18 practice questions Flashcards
Passive immunity is when
a. you get injected with dead pathogen
b. You gen injected with white blood cells that can fight the pathogen
c. You get injected with antibodies ready for the pathogen
d.You get exposed to the pathogen
e. none of these
c. you get injected with antibodies ready for the pathogen
What WBC types serves as the “Security guard” and releases Histamine in response to an Antigen presence?
Basophils
what lymph node is located under the arms
axillary
what part of the brain is responsible for elevating core body temperature to induce fever ?
hypothalamus
what is the purpose. of fever
to activate the immune response and mobilize WBC’s from lymphatic tissues
What type of WBC is attacked by the HIV virus?
Helper T-cells
What type of WBC produces Lytic enzymes to digest bacteria
Eosinophils
Lymph Nodes do NOT:
a.Filter blood
b.Remove some excess fluid
c.Kill some pathogens
d.Kill some cancer cells
e.Remove some waste products
a. filter blood
what WBC type belongs in the specific immune responder
b-lymphocytes
Which of the following is NOT true in the Inflammatory Reaction Cascade?
a.Basophils release histamine in response to antigen or tissue damage
b.Histamine activates phospholipase-A
Incorrect
c.Phospholipase-A converts Arachidonic Acid into Prostaglandins and Leukotriens
d.Prostaglandins cause vasodilation and swelling
e.Leukotriens attract WBC’s to the affected area
c. Phospholipase-A converts Arachidonic Acid into Prostaglandins and Leukotriens
what drug is used for :
pain caused by prostaglandins perceived by the brain
morphine
what drug is used for :
COX turns Arachidonic Acid into Prostaglandins
Aspirin
what drug is used for :
PL-A liberates Arachidonic Acid
Hydrocortisone
what drug is used for :
Histamine released by basophils activates H1 receptors.
Benadryl
What WBC type works as the “clean up crew” to remove dead WBC
phagocytes
