Advanced Pathophysiology Module 3:
Immune System
Questions with Complete Solutions
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TOPTIERGRADES
,The effects of vasodilation during an inflammatory response
cause which of the following? - Answer - : Slower blood
viscosity
Which of the following is a role of histamine when released by
mast cells? - Answer - : Increased Vascular Permeability
Which of the following results when histamine attaches to the
H1 receptor? - Answer - : Smooth muscle contraction, increased
chemotaxis, stimulation of prostaglandin synthesis
Which chemical mediator is responsible for prolonged asthma
symptoms such as bronchoconstriction and inflammation? -
Answer - : Leukotrienes
Which of the following are an active modulator of allergic
reactions in the immune system? - Answer - : Eosinophils
directs movement of cells along a chemical gradient attracting
eosinophils and neutrophils to the site of inflammation. -
Answer - : Chemotaxis
What are the functions of interferons? - Answer - : Protect
against viral infection, modulate inflammatory response
Your patient has seasonal allergic rhinitis. Which type of
hypersensitivity reaction is this? - Answer - : Type 1
Your patient has diagnosis of Grave's disease. Which type of
Hypersensitivity reaction is this? - Answer - : Type 2
, Which of the following is a type III hypersensitivity reaction? -
Answer - : Glomerulonephritis
Which of the following statement is true regarding Type IV
Reactions? - Answer - : The reaction is mediated by T
lymphocytes
Which of the following statements are true regarding exotoxins?
- Answer - : damage cell membranes, activate second
messengers, inhibit protein synthesis
immunity is produced by an individual after natural exposure to
an antigen or after immunization - Answer - : Active
immunity produces immunoglobulins that bind to antigens and
neutralize their effects - Answer - : Humoral
stimulates the proliferation of T cells and B cells during
inflammation - Answer - : Interleukins
Catecholamines decrease which of the following immune
system cells during chronic stress? - Answer - : Natural Killer
cells
interfere with insulin signaling leading to insulin resistance in
stress, obesity, and Type 2 Diabetes. - Answer - : Pro-
inflammatory cytokines
what type of immunity is produced when an immunoglobulin
crosses the placenta? - Answer - : Passive acquired