PHARMACOLOGY ATI 2026 STUDY GUIDE
COMPLETE IMMUNOLOGY AND DRUG
THERAPY CONCEPTS AND PRACTICE
QUESTIONS
◉ What are the two main types of immunity? Answer: Innate
immunity (nonspecific, present at birth) and adaptive immunity
(specific immune response involving lymphocytes and antibodies).
◉ What are the steps in the immune response? Answer: 1.
Recognition of foreign substance 2. Activation of immune cells 3.
Attack and destruction of pathogen 4. Memory cell formation for
future protection.
◉ What are antigens? Answer: Foreign substances that trigger an
immune response.
◉ What are examples of antigens? Answer: Bacteria, viruses, toxins,
pollen, foreign proteins.
◉ What is inflammation? Answer: The body's protective response to
injury or infection.
, ◉ What are the signs of inflammation? Answer: Redness, swelling,
heat, pain, loss of function.
◉ What is the purpose of inflammation? Answer: To remove harmful
agents, prevent spread of infection, and promote tissue repair.
◉ What are antibodies? Answer: Proteins produced by B
lymphocytes that specifically recognize and bind to antigens to
neutralize or destroy them.
◉ What are the types of antibodies? Answer: IgG, IgM, IgA, IgE, IgD.
◉ What are anti-inflammatory medications? Answer: Drugs that
reduce inflammation, pain, and swelling.
◉ What are examples of anti-inflammatory medications? Answer:
Aspirin, Ibuprofen, Naproxen.
◉ What are antihistamines? Answer: Medications that block
histamine released during allergic reactions.
◉ What are examples of antihistamines? Answer: Diphenhydramine
(Benadryl), Loratadine (Claritin), Cetirizine (Zyrtec).