37 Questions
What factor can decrease immune response according to the text?
Adequate intake of vitamins and protein
Which factor is NOT mentioned as playing a significant role in acquired immunity?
Chronic Illness
What is the most common area for lymphadenitis?
Groin and axillary nodes
Which condition is characterized by an abnormal size, number, or consistency of lymph nodes?
Lymphadenopathy
Why are enlarged lymph nodes associated with inflammation and/or infection?
They are actively fighting off infections
What can cause necrosis and abscess formation in late stages of lymphadenitis?
Chronic infections
What type of infection is lymphadenitis?
Bacterial infection
Which test measures IgE levels produced when a patient's blood is mixed with specific allergens?
RAST
When conducting a skin test, what indicates a positive result?
Round wheal and erythema
What area of the body is commonly used for the initial skin test?
Back
Which component of WBCs is indicative of allergies?
Eosinophils
When should allergy testing not be performed according to the text?
During bronchospasm or bronchitis
What does RAST stand for in allergy testing procedures?
RadioAllergoSorbent Testing
Which of the following is NOT a component of the first line of defense in natural immunity?
White blood cells
Active acquired immunity is developed through which of the following processes?
Contracting a disease
Which of the following factors does NOT increase an individual's risk for immune system disorders?
Being male
If a person receives an infusion of plasma containing antibodies, which type of immunity is being conferred?
Passive acquired immunity
Which of the following statements about natural immunity is NOT true?
It involves the production of antibodies
Which component of the immune system is responsible for the inflammatory response, a part of the second line of defense in natural immunity?
Phagocytes
According to the information provided, which gender is at a higher risk for developing autoimmune disorders?
Females
Which type of hypersensitivity reaction is characterized by the body developing IgE antibodies after initial exposure to the antigen?
Type I
What is the main mechanism that triggers the release of histamines and other chemical mediators in Type I hypersensitivity reactions?
Development of IgE antibodies
What is the primary treatment strategy emphasized for Type I hypersensitivity reactions?
Prevention
What is a key factor to minimize the risk of systemic reactions during skin tests?
Avoiding antihistamines or corticosteroids prior to the test
Which type of immune response is characterized by a delayed cellular reaction?
Type IV
Why is it crucial for emergency equipment to be available during procedures that carry a risk of anaphylaxis?
To ensure prompt treatment in case of severe reactions
What is the purpose of conducting skin tests before provocative tests in healthcare settings?
To assess skin sensitivity to various substances
Which of the following is the most dangerous type of allergic reaction?
Anaphylaxis
What is the primary mechanism behind the symptoms of anaphylaxis?
Release of histamine and other chemical mediators leading to vasodilation, increased capillary permeability, and smooth muscle contraction
Which of the following is NOT a common finding in anaphylaxis?
Hypoglycemia
What is the primary method of preventing anaphylaxis?
Avoiding the allergen
Which of the following is NOT a common trigger for anaphylaxis?
Stress
In the management of anaphylaxis, what is the initial medication given to stop cardiac or respiratory arrest?
Epinephrine
What is the primary action of epinephrine that makes it effective in treating anaphylaxis?
All of the above
Which of the following is a potential side effect of epinephrine administration?
All of the above
What is the primary action of antihistamines in the treatment of allergic reactions?
Blocking histamine release in small blood vessels
What is the purpose of administering intravenous fluids (IVF) in the management of anaphylaxis?
To act as a volume expander if the patient becomes hypotensive
Learn about the immune system's role in providing protection and defense. Explore the key players such as organs, tissues, and white blood cells (WBCs), and understand the difference between natural and acquired immunity.
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