1. Match the hypersensitivity reaction with the cause. Type II Type I Type III Type IV A. Sensitized Ag binding to IgE whose Fc region has bound to mast cells B. Small molecules binding to human cells producing structures that look foreign C. Effector T cells specific for sensitized Ag D. IgG bound to small immune complexes formed from soluble proteins 2. Match the drug with their actions. Corticosteroids Epinephrine Antihistamines Cromolynsodium A. Suppresses leukocyte function B. Prevents degranulation of activated mast cells C. Reforms tight junctions D. Prevents histamine from binding H1

Q: 11. Your patient has an anaphylactic reaction (adverse reaction) in his stomach a week (time frame…

A: Note : Hi. Thanks for your questions. Since, you have posted multiple questions, as per our…

Q: 21. The following is correct about superantigens? A. cause autoimmune disease C. activates B cells…

A: Introduction :- Superantigens (SAgs) are a group of antigens that cause the immune system to become…

Q: vaccination provides natural passive immunity A. True B. False 1e. Lymph nodes have several…

A: Answer 1a Toxoids and vaccine function similarly  True this statement is correct.  Answer 1b Active…

Q: 3. Protease inhibitors, O inhibit processing of long polypeptide chains O inhibit reverse…

A: Introduction A substance that increase the rate of a reaction or catalyze a reaction without being…

Q: Helper T cells that have been activated   a Can activate macrophages b Can stimulate cytotoxic T…

A: The major histocompatibility complex, abbreviated as MHC, is a set or group of glycoproteins that…

Q: 90. Put the events of initial allergen sensitization in order. APC ingests, [Choose ] v digests, and…

A: First : Plasma cells produce IgE against allergen. Second : IgE attach to mast cells. Third: APC…

Q: All of the following have been observed in individuals deficient in either CD3δ or CD3ε except a.…

A: Answer: Introduction: CD3 means a cluster of differentiation is a complex of proteins and T- cell…

Q: 29. T-cell dependent antigens can a. directly stimulate B cells to multiply and produce antibodies…

A: The correct answer is (c) restrict antibody formation. T-cell dependent antigens require the help of…

Q: Your patient is experiencing peripheral edema because of inflammation. A) Name the four signs of…

A: Question 6: A)Four cardinal signs of inflammation: heat, pain, redness, and swelling

Q: 107. Put the events of a type I hypersensitivity reaction in order. allergen attaches to IgE…

A: Adaptive Immune reaction is the type of host defense mechanism that protects the host from…

Q: appropriate symptoms.                                                  Urticaria…

A: Urticaria                     :  Activation of mast cells on the skin. An Angioedema         :…

Q: Type II hypersensitivity reaction                                                  Type III…

A: Type IV hypersensitivity- Effector T cells specific for the sensitizing Ag Type II hypersensitivity…

Q: Antigens that trigger hypersensitivity reactions are actually called allergens exogenous antigens .…

A: Hypersensitivity responses happen when the regularly defensive immune framework reacts unusually,…

Q: Match each term in Column I with its correct description in Column II. COLUMN I COLUMN II 1. natural…

A: Immunity can be defined as body’s ability to fight against a disease-causing agent which is termed…

Q: Type II hypersensitivities are due toa. IgE reacting with mast cellsb. activation of cytotoxic T…

A: Normal immune system produces undesirable reactions such as allergies and autoimmunity and this is…

Q: 91. Put the events of a type I hypersensitivity reaction in order. allergen attaches to IgE…

A: The  events of a type I hypersensitivity reactions in order is; First -> allergen attsches to IgE…

Q: The indirect reason for the appearance of skin lesions due to a Type IV hypersensitivity is Tc cells…

A: Hypersensitivity  Hypersensitivity or hypersensitive reactions are intolerance type reactions which…

Q: 6. Match the example/scenario provided to the type of humoral immunity. a. active, naturally…

A: The ability of the body to fight back any infection in the body comes from its immune system. The…

Q: Which hypersensitivities are T-cell mediated?a. type I b. type II c. type IIId. type IV

A: Hypersensitivity is also called intolerance, or hypersensitivity reaction. Hypersensitivity is an…

Q: Describe the importance of T-cells for good health. Key terms: MHC, activation, apoptosis,…

A: T-cells are a type of white blood cells. They are part of the immune system and develop from stem…

Q: 3. Helper T cells can be activated by I. interacting with an infected cell expressing an antigen-MHC…

A: Introduction Antigen-presenting white blood cells (WBC), such as macrophages (a large phagocytic…

Q: The following statement regarding Type I hypersensitivity reaction is FALSE: * prostaglandins,…

A: The false statements regarding Type I hypersensitivity reaction is:- The initial response is…

Q: 13. As a response to viral-infected cells, the following cell gets activated? A. TH1 B. TH2 C. TH3…

A: Introduction  A host is required for the growth of viruses, which are microscopic infectious…

Q: Match each type of immunity in the left column with its associated example from the right column.…

A: Introduction Immunity can either be active or passive. Antibodies produced in another person or…

Q: 1. Which one of the following is NOT associated with type IV hypersensitivity reaction? Select one:…

A: Type IV Hypersensitivity reaction (also known as delayed onset HS) is a cell mediated reaction that…

Q: Match the hypersensitivity to the example, each type can be used more than once or not at all. ✓ Hay…

A: Hypersensitivity is the reaction of the immune system to certain substances resulting in allergic…

Q: phagocytes?

A: Phagocytes: Phagocytes are a type of immune cells which surround and kill microorganisms. They…

Q: When encountering antigen, describe the mechanism of antigen presentation by B cells.

A: "Since you have asked multiple questions, we will solve the first question for you. If you want any…

Immune Disorders

The collaboration between the cells and proteins that work together as a defense system against infection comprises the immune system.Each of them performs a variety of tasks to recognize and/or react against a foreign body.