allergic Disorders PREPU

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The nurse is administering intravenous vancomycin. What will the nurse initially assess the client for if an allergic reaction occurs?

dyspnea, bronchospasm, and/or laryngeal edema

Which term refers to an incomplete antigen?

hapten

The nurse is teaching a client about histamine release during an anaphylactic reaction. What does histamine release in anaphylaxis cause?

nasal congestion

The nurse is teaching a client about contact dermatitis. What type of contact dermatitis requires light exposure in addition to allergen contact?

photoallergic

The nurse is planning care for a client with atopic dermatitis. Which information will the nurse include when teaching the client self-care for the condition?

se a mild soap when bathing. Wear clothing made of cotton. Apply a skin cream that contains glycerol

A client is presenting an anaphylactic response to unknowingly ingesting nuts at a family celebration. What type of hypersensitivity did this client exhibit?

type 1 There are four types of hypersensitivity responses, three of which are immediate. This is an example of Type I, atopic or anaphylactic, which is mediated by immunoglobulin E (IgE) antibodies.

A patient was seen in the clinic 3 days previously for allergic rhinitis and was given a prescription for a corticosteroid nasal spray. The patient calls the clinic and tells the nurse that the nasal spray is not working. What is the best response by the nurse?

"The full benefit of the medication may take up to 2 weeks to be achieved.

The nurse tells the client that if exposure to an allergen occurs around 8:00 AM, then the client should expect a mild or moderate reaction by what time?

1000 am mild to moderate reactions began 2 hrs.' after exposure

Maximum intensity of histamine occurs within which time frame following antigen contact?

15 minutes

After reviewing the various primary immunodeficiencies, nursing students demonstrate understanding of the information when they identify what as complement system deficiencies? Select all that apply

Angioneurotic edema Paroxysmal nocturnal hemoglobinuria

A patient was seen in the clinic for hypertension and received a prescription for a new antihypertensive medication. The patient arrived in the emergency department a few hours after taking the medication with severe angioedema. What medication prescribed may be responsible for the reaction?

Angiotensin-converting enzyme (ACE) inhibitor Several frequently prescribed medications, such as angiotensin-converting enzyme inhibitors and penicillin, may cause angioedema. The nurse needs to be aware of all medications the patient is taking and be alert to the potential of angioedema as a side effect

A nurse comes to the employee health center for evaluation and is diagnosed with allergic contact dermatitis related to latex. What manifestation would the nurse most likely exhibit?

Blistering

B lymphocyte deficiencies

Bruton's disease and common variable immunodeficienc

A nurse is reviewing the dietary history of a client who has experienced anaphylaxis. What would the nurse identify as a common cause of anaphylaxis?

Common food causes of anaphylaxis include peanuts, tree nuts, shellfish, fish, milk, eggs, soy, and wheat. Beef and chicken are not common causes.

While interviewing a client with an allergic disorder, the client tells the nurse about an allergy to animal dander. The nurse knows that animal dander is what type of substance?

Complete protein antigen

A client calls the clinic and asks the nurse if using oxymetazoline nasal spray would be all right to relieve the nasal congestion the client is experiencing due to seasonal allergies. What instructions should the nurse provide to the client to avoid complications?

Do not overuse the medication as rebound congestion can occur

When assessing the skin of a client with allergic contact dermatitis, the nurse would most likely expect to find irritation at which area?

Dorsal aspect of the hand

Which body substance causes increased gastric secretion, dilation of capillaries, and constriction of the bronchial smooth muscle?

Histamine

A client develops a facial rash and urticaria after receiving penicillin. Which laboratory value does the nurse expect to be elevated?

IgE

A client presents at the clinic with an allergic disorder. The client asks the nurse what an "allergic disorder" means. What would be the nurse's best response?

It is a hyperimmune response to something in the environment that is usually harmless."

client has had a "stuffy nose" and obtained an oxymetazoline nasal spray. What education should the nurse provide to the client in order to prevent "rebound congestion"?

Only use the nasal spray for 3 to 4 days once every 12 hours.

An infant is born to a mother who had no prenatal care during her pregnancy. What type of hypersensitivity reaction does the nurse understand may have occurred?

Rh-hemolytic disease

What are expected client outcomes the nurse would include in a plan of care for a client with allergic rhinitis?

Wearing a dampened mask if there is a dust problem, reporting no symptoms of peripheral tingling, and controlling outdoor precipitating factors are all expected client outcomes that would be included in a plan of care

A nurse is preparing a discharge teaching plan for a client with atopic dermatitis. Which instruction should the nurse include in the teaching plan?

Use a topical skin moisturizer daily

A client with an allergic disorder calls the nurse and asks what treatment is available for allergic disorders. The nurse explains to the client that there is more than one treatment available. What treatments would the nurse tell the client about?

Desensitization Desensitization is a form of immunotherapy in which a person receives weekly or twice-weekly injections of dilute but increasingly higher concentrations of an allergen without interruption. SLIT is a form of desensitization therapy

A client is prescribed montelukast as part of a treatment plan for an allergic disorder. The nurse understands that this drug belongs to which class?

Leukotriene-receptor antagonist

atopic dermatitis patient teaching

The nurse should instruct the client to use a topical skin moisturizer daily to help keep the skin hydrated. Likewise, the client should be encouraged to bathe daily. To minimize irritation, the client should wear only cotton fabrics. The client should maintain a room temperature between 68° F (20° C) and 72° F (22.2° C).

A client has begun sensitivity testing to determine the allergen which caused an anaphylactic reaction 3 weeks ago. In scratch testing, which part of the body is more sensitive to allergens?

back The scratch or prick test involves scratching the skin and applying a small amount of the liquid test antigen to the scratch. The tester applies one allergen per scratch over the client's forearm, upper arm, or back. The back is more sensitive than the arms.

The nurse is preparing to administer a medication that has an affinity for H1 receptors. Which medication would the nurse administer?

Certain medications are categorized by their action at these receptors. Diphenhydramine (Benadryl) is an example of an antihistamine

Which of the following is the most frequent route of exposure to a latex allergy?

Cutaneous

A client reports to a health care provider's office for intradermal allergy testing. Before testing, the nurse provides client teaching. Which client statement indicates a need for further education?

If I notice tingling in my lips or mouth, gargling may help the symptoms."

After teaching a client how to self-administer epinephrine, the nurse determines that the teaching plan has been successful when the client demonstrates which action?

Jabs the autoinjector into the outer thigh at a 90-degree angle

A nurse is caring for a client with atopic dermatitis. Which suggestions for the client by the nurse would be appropriate? Select all that apply.

Keep the room temperature at approximately 70 degrees Fahrenheit (21 degrees Celsius). Apply topical moisturizers to the skin. Humidify the home when the heat is on during the winter.

Which cells present the antigen to T cells and initiate the immune response?

Macrophages

The nurse is working with a colleague who has a delayed hypersensitivity (type IV) allergic reaction to latex. Which statement describes the clinical manifestations of this reaction?

Symptoms are localized to the area of exposure, usually the back of the hands Clinical manifestations of a delayed hypersensitivity reaction are localized to the area of exposure. Clinical manifestations of an irritant contact dermatitis can be eliminated by changing glove brands or using powder-free gloves. With an irritant contact dermatitis, avoid use of hand lotion before donning gloves; this may worsen symptoms, as lotions may leach latex proteins from the gloves.

The nurse observes diffuse swelling involving the deeper skin layers in a client who has experienced an allergic reaction. The nurse would correctly document this finding as

angioneurotic edema

The nurse is evaluating a client's complete blood cell count and differential along with the serum immunoglobulin E (IgE) concentration. Which result might indicate that the client has an allergic disorder?

High IgE concentration

The client asks the nurse how to determine a cause for rhinitis. What diagnostic test will the nurse explain to the client that will identify the cause of rhinitis?

total serum IgE test

The nurse is teaching a client with allergic rhinitis about medications. What medication is a mast cell stabilizer used in the treatment of allergic rhinitis?

intranasal cromolyn sodium

A client presents to the emergency department in anaphylactic shock after a bee sting. What should the nurse do? Select all t

Administer Diphenhydramine. Insert an intravenous line. Have respiratory therapy provide an albuterol treatment.

what are deficiency in the complement system

ngioneurotic edema and paroxysmal nocturnal hemoglobinuria.

what is a type 2 hypersensitivty reaction

A type II hypersensitivity, or cytotoxic, reaction, which involves binding either the IgG or IgM antibody to a cell-bound antigen, may lead to eventual cell and tissue damage. The reaction is the result of mistaken identity when the system identifies a normal constituent of the body as foreign and activates the complement cascade. Examples of type II reactions are myasthenia gravis, Goodpasture syndrome, pernicious anemia, hemolytic disease of the newborn, transfusion reaction, and thrombocytopenia.

A client with lupus has had antineoplastic drugs prescribed. Why would the physician prescribe antineoplastic drugs for an autoimmune disorder?

For their immunosuppressant effects Drug therapy using anti-inflammatory and immunosuppressive agents is the mainstay for alleviating symptoms. Some antineoplastic (cancer) drugs also are used for their immunosuppressant effects. Antineoplastic drugs do not decrease the body's risk of infection; an autoimmune disease is not a neoplastic disease. Drugs are not ordered just so the client has strong drug therapy

The nurse is teaching a group of health care workers about latex allergies. What reaction will the nurse teach the workers to be most concerned about with laryngeal edema?

IgE-mediated hypersensitivity A type I, IgE-mediated hypersensitivity can cause severe reaction symptoms such as laryngeal edema and bronchospasm. Irritant and allergic contact dermatitis result in more localized skin reactions. IgG antibodies are important in fighting viral and bacterial infections.


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