Chapter 32: Drug therapy to decrease Histamine Effects and Allergic reactions

The nursing instructor is describing the four types of hypersensitivity reactions. What alternate name might the instructor use to identify type IV hypersensitivity? A. Immediate hypersensitivity B. Delayed hypersensitivity C. Serum sickness D. Cytotoxic reaction

B

Pseudoephedrine (Sudafed) is prescribed for a client suffering from nasal and sinus congestion. What is the most important assessment the nurse should complete before the client leaves the clinic to purchase the medication? A. Observe for swelling in nasal passages. B. Ask about history of hay fever. C. Obtain the client's blood pressure. D. Ask about nausea and vomiting.

C

The pharmacology instructor is discussing the adverse effects of diphenhydramine. Which is not one of these effects? A. Drowsiness B. Blurred vision C. Dry mouth D. Excessive salivation

D

What causes the inflammation of nasal mucosa that is seen in allergic rhinitis? A. Type III hypersensitivity reaction to inhaled allergens B. Type II hypersensitivity reaction to inhaled allergens C. Type IV hypersensitivity reaction to inhaled allergens D. Type I hypersensitivity reaction to Inhaled allergens

D

A client is in the clinic for seasonal allergic rhinitis. Loratadine (Claritin) is prescribed. Which statement will the nurse include when providing education concerning this drug? A. "Determine if the drug is going to make you drowsy before you drive." B. "You should take the medication twice a day." C. "Be sure to take this medication on a full stomach." D. "This drug has to be taken every 4 to 6 hours."

A

Second-generation antihistamines were developed to remove the sedation of first generation drugs. Which of the following antihistamines is a second-generation drug? A. Cetirizine B. Dexchlorpheniramine C. Chlorpheniramine D. Diphenhydramine

A

The health care provider has prescribed medication to prevent posttransfusion reaction in a client with a history of the disorder. Which medication would the nurse anticipate being administered? A. Diphenhydramine B. Ibuprofen C. Epinephrine D. Furosemide

A

The nurse is providing instructions to a client who will be taking second-generation antihistamines at home. Which statement by the client indicates a need for further instruction? A. "If I miss a dose of medication, I will wait until the next scheduled time to take the medication." B. "I will take this medication with apple juice." C. "I will be careful to take the medication exactly as it comes." D. "I will check the prescription bottle and follow the directions carefully."

B

What type of antihistamine is typically preferred for older adults? A. First-generation B. Second-generation C. Neither type is preferred over the other. D. Antihistamines are contraindicated in older adults.

B

A client exhibiting signs and symptoms of the common cold asks the nurse if taking an antihistamine would be helpful. What is the nurse's best response? A. Yes, but be sure to use a brand that mentions 'cold remedy' on the packaging. B. Yes, but it's important to monitor for adverse effects. C. Antihistamines can be helpful when they're combined with an antibiotic. D. Antihistamines are not recommended for treating a cold.

D

A client reports nasal congestion, sneezing, watery drainage from the nose, and itching of the throat, eyes, and ears. The nurse recognizes that these are consistent with what disorder? A. sinus infection B. anaphylaxis C. a histamine reaction D. allergic rhinitis

D

A nurse is describing the action of a prescribed antihistamine to a client. The nurse is describing which medication, by explaining that the drug elicits its antihistamine effects by non-selectively binding to central and peripheral H1 receptors? A. Diphenhydramine B. Cetirizine C. Fexofenadine D. Loratadine

D

An older adult client is administered dimenhydrinate. Which is the priority nursing intervention for this client? A. Encourage fluids with this client. B. Have the client void after administration. C. Maintain IV access. D. Protect from injury.

D

Antihistamines are used frequently in the home care setting for the treatment of allergies. Which of the following is most likely to be a responsibility of the nurse caring for a patient who is taking antihistamines for this indication? A. Removing environmental allergens B. Administering the antihistamine C. Ensuring that the patient uses a second-generation antihistamine D. Helping the patient identify environmental allergens

D

Intravenous antihistamines are typically administered over a period of a few minutes. What adverse effect can occur if an IV antihistamine is injected rapidly? A. Hypertension B. Tachycardia C. Apnea D. Hypotension

D

The nurse reviews the client's medical history before providing medications. Which antihistamine would the nurse question before providing a dose to the client? A. azelastine B. cetirizine C. fexofenadine D. diphenhydramine

D