A nurse is providing discharge instructions to a client who has asthma and is about to start taking theophylline (Theo-24). The nurse should tell the client that this medication might cause which of the following adverse effects?
Constipation
Oliguria
Drowsiness
Dysrhythmias
The Correct Answer is D
Theophylline is a bronchodilator medication used in the treatment of asthma and other respiratory conditions. It works by relaxing the smooth muscles in the airways, allowing for easier breathing. However, theophylline is associated with potential adverse effects, and one of the most significant concerns is its potential to cause dysrhythmias (irregular heart rhythms).
Dysrhythmias can include tachycardia (rapid heart rate), atrial fibrillation, or other disturbances in heart rhythm.
Constipation is not a commonly reported adverse effect of theophylline. Oliguria (decreased urine output) is not typically associated with theophylline use. Drowsiness can occur with theophylline, but dysrhythmias are considered a more significant and potentially serious adverse effect. It is crucial for the nurse to educate the client about the potential for dysrhythmias and advise them to report any irregular heartbeat or other cardiac symptoms promptly.
Nursing Test Bank
Naxlex Comprehensive Predictor Exams
Related Questions
Correct Answer is B
Explanation
The Parasympathetic Nervous System utilizes the neurotransmitter acetylcholine. Acetylcholine is released by the postganglionic neurons of the parasympathetic nervous system and acts on target organs and tissues to elicit parasympathetic responses. It plays a crucial role in regulating various bodily functions, including digestion, heart rate, respiratory rate, and other rest and digestion activities.
Correct Answer is C
Explanation
Pseudoephedrine is a sympathomimetic medication that acts as a decongestant by constricting blood vessels in the nasal passages, which helps to relieve sinus congestion. However, it can also cause vasoconstriction in other parts of the body, leading to an increase in blood pressure. Therefore, it is contraindicated for individuals with hypertension (high blood pressure).
The other conditions mentioned, migraines, eczema, and diverticulitis, are not contraindications for the use of pseudoephedrine. However, it is important for individuals with these conditions to consult their healthcare provider before taking pseudoephedrine, as it may interact with other medications or exacerbate certain symptoms.
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