EXAM 2 UPDATED Exam Questions and
CORRECT Answers
The effects of vasodilation during an inflammatory response cause which of the following? -
CORRECT ANSWER- Slower blood viscosity
Which of the following is a role of histamine when released by mast cells? - CORRECT
ANSWER- Increased Vascular Permeability
Which of the following results when histamine attaches to the H1 receptor? - CORRECT
ANSWER- Smooth muscle contraction, increased chemotaxis, stimulation of prostaglandin
synthesis
Which chemical mediator is responsible for prolonged asthma symptoms such as
bronchoconstriction and inflammation? - CORRECT ANSWER- Leukotrienes
Which of the following are an active modulator of allergic reactions in the immune system? -
CORRECT ANSWER- Eosinophils
directs movement of cells along a chemical gradient attracting eosinophils and neutrophils to
the site of inflammation. - CORRECT ANSWER- Chemotaxis
What are the functions of interferons? - CORRECT ANSWER- Protect against viral
infection, modulate inflammatory response
Your patient has seasonal allergic rhinitis. Which type of hypersensitivity reaction is this? -
CORRECT ANSWER- Type 1
Your patient has diagnosis of Grave's disease. Which type of Hypersensitivity reaction is
this? - CORRECT ANSWER- Type 2
, Which of the following is a type III hypersensitivity reaction? - CORRECT ANSWER-
Glomerulonephritis
Which of the following statement is true regarding Type IV Reactions? - CORRECT
ANSWER- The reaction is mediated by T lymphocytes
Which of the following statements are true regarding exotoxins? - CORRECT 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 - CORRECT ANSWER- Active
immunity produces immunoglobulins that bind to antigens and neutralize their effects -
CORRECT ANSWER- Humoral
stimulates the proliferation of T cells and B cells during inflammation - CORRECT
ANSWER- Interleukins
Catecholamines decrease which of the following immune system cells during chronic stress?
- CORRECT ANSWER- Natural Killer cells
interfere with insulin signaling leading to insulin resistance in stress, obesity, and Type 2
Diabetes. - CORRECT ANSWER- Pro-inflammatory cytokines
what type of immunity is produced when an immunoglobulin crosses the placenta? -
CORRECT ANSWER- Passive acquired
the normal microbiome - CORRECT ANSWER- The body's surfaces are colonized with a
variety of microorganisms, Surfaces, such as skin and mucous membranes of eyes, upper and
lower GI tracts, urethra and vagina are colonized by a combination of bacteria and fungi that
are unique to a particular location and individual.
If immunocompromised the microbiome can lead to - CORRECT ANSWER- opportunistic
infections or loss of integrity of the body surface areas.