A nurse is assessing a client who has respiratory alkalosis.
Which of the following findings should the nurse expect?

Choice A rationale:

Tachycardia, or a rapid heart rate, is not typically an adverse effect of oxygen therapy. Oxygen therapy is often used to help people with conditions like COPD, COVID-19, emphysema, and sleep apnea get enough oxygen to function and stay well. While tachycardia can be a symptom of these conditions, it is not directly caused by the oxygen therapy itself.

Choice B rationale:

Cracks in the oral mucous membranes can indeed be an adverse effect of oxygen therapy. Oxygen therapy involves the delivery of highly concentrated oxygen, which can cause irritation and dryness in the airways, including the oral mucous membranes. This can lead to cracks and discomfort in the mouth. Therefore, it’s important for healthcare providers to monitor patients receiving oxygen therapy for signs of this adverse effect.

Excessive pulmonary secretions are not typically a direct adverse effect of oxygen therapy. While conditions that often require oxygen therapy, such as pneumonia and COPD, can lead to increased pulmonary secretions, these are symptoms of the underlying disease rather than the oxygen therapy itself.

Choice D rationale:

Poor skin turgor is not typically an adverse effect of oxygen therapy. Skin turgor refers to the elasticity of the skin, and poor skin turgor is often a sign of dehydration. While oxygen therapy can cause dryness of the mucous membranes, it does not typically affect the hydration status of the skin.

Choice A rationale:

Iron supplements Iron supplements are commonly used to treat or prevent iron deficiency anemia. While beneficial in relieving iron deficiency, iron pills can cause side effects like constipation, diarrhea, nausea, vomiting, dark stools, stomach cramps, and a metallic taste. However, constipation is not the primary side effect of iron supplements.

Choice B rationale:

Magnesium-containing antacids Magnesium-containing antacids are used to relieve the symptoms of gastroesophageal reflux disease (GERD), heartburn, or indigestion. By neutralizing stomach acid, antacids relieve symptoms such as burning behind the breast bone or throat area caused by acid reflux, a bitter taste in the mouth, a persistent dry cough, pain when lying down, or regurgitation. While these antacids can cause diarrhea, they do not typically lead to constipation.

Choice C rationale:

Anticholinergics/Antispasmodics Anticholinergics and antispasmodics are used to relieve cramps or spasms of the stomach, intestines, and bladder. Some are used together with antacids or other medicines in the treatment of peptic ulcers. Others are used to prevent nausea, vomiting, and motion sickness. While these medications can cause a variety of side effects, constipation is not a primary side effect.

Choice D rationale:

Opioid narcotics Opioids, also known as narcotics, are a class of drugs healthcare providers prescribe to manage moderate to severe pain, as well as chronic coughing and diarrhea. Common side effects of narcotics include constipation, decreased sweating, dizziness, dry mouth, nose, throat, or skin. Therefore, opioid narcotics are the medication most likely to lead to constipation among the options provided.