respiratory pharmacology nclex

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The nurse has just administered the first dose of omalizumab (Xolair) to a client. Which statement by the client would alert the nurse that the client may be experiencing a life-threatening effect?

Rationale: ("My lips and tongue are swollen.") Omalizumab is an antiinflammatory used for long-term control of asthma. Anaphylactic reactions can occur with the administration of omalizumab. The nurse administering the medication should monitor for adverse reactions of the medication. Swelling of the lips and tongue are an indication of an adverse reaction. The client statements in options 1, 2, and 3 are not indicative of an adverse reaction.

A client taking albuterol (ProAir HFA) by inhalation cannot cough up secretions. What should the nurse suggest that the client do to assist in expectoration of secretions?

Rationale: (Drink increased amounts of fluids every day.) A client should drink increased fluids (2000 to 3000 mL/day) to decrease viscosity and increase expectoration of secretions. This is standard advice for clients receiving any of the adrenergic bronchodilators, unless the client has another health problem that contraindicates an increased fluid intake. Additional exercise will not effectively clear bronchial secretions. A dehumidifier will dry secretions, making the situation worse. The client should not take additional medication.

A client has been taking isoniazid for 1½ months. The client complains to the nurse about numbness, paresthesias, and tingling in the extremities. The nurse interprets that the client is experiencing which problem?

Rationale: (Peripheral neuritis) Isoniazid is an antitubercular medication. A common side effect of isoniazid is peripheral neuritis, manifested by numbness, tingling, and paresthesias in the extremities. This can be minimized with pyridoxine (vitamin B6) intake. Options 1, 3, and 4 are incorrect.

A client has been taking pyrazinamide for 1 month. The client asks the nurse whether the therapy is due to be terminated soon. The nurse determines that the medication probably will be continued based on a positive finding in which report?

Rationale: (Sputum culture) Pyrazinamide is an anti-tuberculosis medication given with other anti-tuberculosis medications. Pyrazinamide might not be discontinued if sputum cultures continue to be positive. The remaining options are not related directly to the use of this medication.

A client has a prescription to take guaifenesin (Mucinex). The nurse should conclude that the client understands the most effective use of this medication if the client states that they need to take which action?

Rationale: (Take the tablet with a full glass of water.) Guaifenesin (Mucinex) is an expectorant and should be taken with a full glass of water to decrease the viscosity of secretions. The medication occasionally may cause dizziness, headache, or drowsiness as side effects. The client should contact the health care provider if the cough lasts longer than 1 week or is accompanied by fever, rash, sore throat, or persistent headache. Sustained-release preparations should not be broken open, crushed, or chewed.

A client who has been receiving theophylline by the intravenous (IV) route has the medication prescription changed to an immediate-release oral form of the medication. After discontinuing the IV medication, when should the nurse schedule the first dose of the oral medication?

Rationale: 4 hours after discontinuing the IV form With immediate-release preparations, oral theophylline should be administered 4 to 6 hours after discontinuing the IV form of the medication. If the sustained-release form is used, the first oral dose should be administered immediately on discontinuation of the IV infusion. Therefore the remaining options are incorrect.

A client has been started on long-term therapy with rifampin (Rifadin). The nurse should provide which information to the client about the medication?

Rationale: Causes orange discoloration of sweat, tears, urine, and feces Rifampin should be taken exactly as directed. Doses should not be doubled or skipped. The client should not stop therapy until directed to do so by a health care provider. The medication should be administered on an empty stomach unless it causes gastrointestinal upset, and then it may be taken with food. Antacids, if prescribed, should be taken at least 1 hour before the medication. Rifampin causes orange-red discoloration of body secretions and will stain soft contact lenses permanently.

The nurse has given a client taking ethambutol (Myambutol) information about the medication. The nurse determines that the client understands the instructions if the client states he or she will immediately report which finding?

Rationale: Difficulty in discriminating the color red from green Ethambutol causes optic neuritis, which decreases visual acuity and the ability to discriminate between the colors red and green. This poses a potential safety hazard when a client is driving a motor vehicle. The client is taught to report this symptom immediately. The client also is taught to take the medication with food if gastrointestinal upset occurs. Impaired hearing results from antitubercular therapy with streptomycin. Orange-red discoloration of secretions occurs with rifampin (Rifadin).

The nurse is administering a dose of pirbuterol (Maxair Autohaler) to a client. The nurse should monitor for which side/adverse effect of this medication?

Rationale: Increased pulse and blood pressure Pirbuterol is an adrenergic bronchodilator. Side/adverse effects can include tachycardia, hypertension, chest pain, dysrhythmias, nervousness, restlessness, and headache. The nurse monitors for these effects during therapy. All other options are not side/adverse effects of this medication.

A client with a documented exposure to tuberculosis is being started on medication therapy with isoniazid. The nurse plans to set up appointments for the client to have which laboratory study done periodically during the course of therapy?

Rationale: Liver function testing Because isoniazid therapy can cause elevated hepatic enzymes and hepatitis, liver enzymes are monitored when therapy is initiated and during the first 3 months of therapy. They may be monitored longer in the client who is older than 50 years of age or who abuses alcohol. The other options are incorrect.

A home care nurse has observed a client self-administer a dose of an adrenergic bronchodilator via metered-dose inhaler. Within a short time, the client begins to wheeze loudly. The nurse understands that this is the result of which occurrence?

Rationale: Paradoxical bronchospasm, which must be reported to the health care provider (HCP) The client taking adrenergic bronchodilators may experience paradoxical bronchospasm, which is evidenced by the client's wheezing. This can occur with excessive use of inhalers. Further medication should be withheld and the HCP should be notified. Options 1, 2, and 3 are incorrect interpretations.

The nurse has a prescription to give a client salmeterol (Serevent Diskus), two puffs, and beclomethasone dipropionate (Qvar), two puffs, by metered-dose inhaler. The nurse should administer the medication using which procedure?

Rationale: Salmeterol first and then the beclomethasone Salmeterol (Serevent Diskus) is an adrenergic type of bronchodilator and beclomethasone dipropionate is a glucocorticoid. Bronchodilators are always administered before glucocorticoids when both are to be given on the same time schedule. This allows for widening of the air passages by the bronchodilator, which then makes the glucocorticoid more effective.

A client has been taking pyrazinamide (Pyrazinamide) for 6 months. The nurse determines that the medication is effective if which cultures yield a negative result?

Rationale: Sputum Pyrazinamide is an antituberculosis medication that is given in conjunction with other antituberculosis medications. Its use may be discontinued by the prescriber if sputum cultures become negative. Options 1, 2, and 3 are incorrect.

The nurse should monitor the client receiving the first dose of albuterol (Proventil HFA) for which side effect of this medication?

Rationale: Tachycardia Albuterol is a bronchodilator. Side effects can include tachycardia, hypertension, chest pain, dysrhythmias, nervousness, restlessness, and headache, among others. The nurse monitors for these effects during therapy. The items in the other options are not side effects of this medication.

A client with tuberculosis (TB) has a prescription for rifampin (Rifadin). What instruction should the nurse include in the client's teaching plan?

Rationale: Wearing glasses instead of soft contact lenses will be necessary. Soft contact lenses may be permanently damaged by the orange discoloration in body fluids caused by rifampin. Any sign of possible jaundice (yellow-colored skin) should always be reported. If rifampin is not tolerated on an empty stomach, it may be taken with food. The client may be on the medication for 12 months even if cultures give negative results.


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