After the completion of testing, a childs allergies have been attributed to her familys cat. When introducing the family to the principles of avoidance therapy, the nurse should promote what action?
- A. Removing the cat from the familys home
- B. Administering OTC antihistamines to the child regularly
- C. Keeping the cat restricted from the childs bedroom
- D. Maximizing airflow in the house
Correct Answer: A
Rationale: In avoidance therapy, every attempt is made to remove the allergens that act as precipitating factors. Fully removing the cat from the environment is preferable to just keeping the cat out of the childs bedroom. Avoidance therapy does not involve improving airflow or using antihistamines.
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The nurse is providing health education to the parents of a toddler who has been diagnosed with food allergies. What should the nurse teach this family about the childs health problem?
- A. Food allergies are a life-long condition, but most families adjust quite well to the necessary lifestyle changes.
- B. Consistent use of over-the-counter antihistamines can often help a child overcome food allergies.
- C. Make sure that you carry a steroid inhaler with you at all times, especially when you eat in restaurants.
- D. Many children outgrow their food allergies in a few years if they avoid the offending foods.
Correct Answer: D
Rationale: Many food allergies disappear with time, particularly in children. About one-third of proven allergies disappear in 1 to 2 years if the patient carefully avoids the offending food. Antihistamines do not cure allergies and an EpiPen is carried, not a steroid inhaler.
A patient has presented with signs and symptoms that are consistent with contact dermatitis. What aspect of care should the nurse prioritize when working with this patient?
- A. Promoting adequate perfusion in affected regions
- B. Promoting safe use of topical antihistamines
- C. Identifying the offending agent, if possible
- D. Teaching the patient to safely use an EpiPen
Correct Answer: C
Rationale: Identifying the offending agent is a priority in the care of a patient with dermatitis. Antihistamines are not administered topically and epinephrine is not used to treat dermatitis. Inadequate perfusion occurs with PAD or vasoconstriction.
A junior nursing student is having an observation day in the operating room. Early in the day, the student tells the OR nurse that her eyes are swelling and she is having trouble breathing. What should the nurse suspect?
- A. Cytotoxic reaction due to contact with the powder in the gloves
- B. Immune complex reaction due to contact with anesthetic gases
- C. Anaphylaxis due to a latex allergy
- D. Delayed reaction due to exposure to cleaning products
Correct Answer: C
Rationale: Immediate hypersensitivity to latex, a type I allergic reaction, is mediated by the IgE mast cell system. Symptoms can include rhinitis, conjunctivitis, asthma, and anaphylaxis. The term latex allergy is usually used to describe the type I reaction. The rapid onset is not consistent with a cytotoxic reaction, an immune complex reaction, or a delayed reaction.
A patient is receiving a transfusion of packed red blood cells. Shortly after initiation of the transfusion, the patient begins to exhibit signs and symptoms of a transfusion reaction. The patient is suffering from which type of hypersensitivity?
- A. Anaphylactic (type I)
- B. Cytotoxic (type II)
- C. Immune complex (type III)
- D. Delayed type (type IV)
Correct Answer: B
Rationale: A type II hypersensitivity reaction resulting in red blood cell destruction is associated with blood transfusions. This type of reaction does not result from types I, III, or IV reactions.
A nurse has included the nursing diagnosis of Risk for Latex Allergy Response in a patients plan of care. The presence of what chronic health problem would most likely prompt this diagnosis?
- A. Herpes simplex
- B. HIV
- C. Spina bifida
- D. Hypogammaglobulinemia
Correct Answer: C
Rationale: Patients with spina bifida are at a particularly high risk for developing a latex allergy. This is not true of patients with herpes simplex, HIV, or hypogammaglobulinemia.
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